B–Mn phases

13 phases (tier A 8, tier C 1, liquid 1, needs_review 3); 12 stable in a calculated diagram. Structure types are assigned only when the stored evidence supports an assignment under the stated tier rules (tier A: standard phase name; tier B: unique Materials Project + OQMD on-hull match, DFT-supported; tier C: one structure stated by the assessment's crystallographic table, assessor-stated); other phases list candidates and are marked needs_review. Stability is from phase diagrams calculated with pycalphad from the SGTE binary collection (evidence class: model).

Data: interactive registry · full JSON · B–Mn system page · Markdown · field reference

Phases of the B–Mn system (13)
Phase	Structure	Basis	Stability (calculated)	Literature values	TDB models
BETA_RHOMBO_B phase:b-mn:b-beta-rhombo		needs_review	stable in 1 of 1 calculated diagram(s): 300–2361.93 K, x(B) 0.95882–1	7	1
BCC_A2 phase:b-mn:bcc-a2	W · A2 · cI2 · Im-3m (229)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 1410.94–1519 K, x(B) 0–2e-05	4	1
CBCC_A12 phase:b-mn:cbcc-a12	alpha-Mn · A12 · cI58 · I-43m (217)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 300–980 K, x(B) 0–0	0	1
CUB_A13 phase:b-mn:cub-a13	beta-Mn · A13 · cP20 · P4_132 (213)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 980–1360.15 K, x(B) 0–2e-05	0	1
FCC_A1 phase:b-mn:fcc-a1	Cu · A1 · cF4 · Fm-3m (225)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 1360–1496 K, x(B) 0–0	3	1
HCP_A3 phase:b-mn:hcp-a3	Mg · A3 · hP2 · P6_3/mmc (194)	tier A: standard phase name	not stable in 1 calculated diagram(s)	0	1
LIQUID phase:b-mn:liquid	liquid	liquid	stable in 1 of 1 calculated diagram(s): 1477.28–4000 K, x(B) 0–1	28	1
MN2B_C16 phase:b-mn:mn2b-c16	Al2Cu · C16 · tI12 · I4/mcm (140)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 300–1818.84 K, x(B) 0.33333–0.33333	15	1
MN2B_CB phase:b-mn:mn2b-cb		needs_review	stable in 1 of 1 calculated diagram(s): 300–1397.25 K, x(B) 0.32931–0.32931	6	1
MN3B4_D7B phase:b-mn:mn3b4-d7b	Ta3B4 · D7_b · oI14 · Immm (71)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 300–2079.63 K, x(B) 0.57143–0.57143	13	1
MNB_B27 phase:b-mn:mnb-b27	FeB · B27 · oP8 · Pnma (62)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 1 of 1 calculated diagram(s): 300–2160.9 K, x(B) 0.5–0.5	14	1
MNB2_C32 phase:b-mn:mnb2-c32	AlB2 · C32 · hP3 · P6/mmm (191)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 1358.71–2106.93 K, x(B) 0.66667–0.66667	19	1
MNB4 phase:b-mn:mnb4		needs_review	stable in 1 of 1 calculated diagram(s): 300–1648.61 K, x(B) 0.8–0.8	12	1

BETA_RHOMBO_B (B–Mn)

Id: phase:b-mn:b-beta-rhombo; status needs_review
No structure assigned. Why: name_has_descriptive_tokens:RHOMBO; no_structure_token
Candidate (sgte_mmc2): beta-B · hR105 · R-3m (166) — Hallstedt 2025 mmc2 row for BETA_RHOMBO_B: beta-B
Candidate (tdb_comment): beta-B · hR105 · R-3m — MnB-10Sun.tdb: 'Prototype beta-B (hR105, R-3m)'
Stability: stable in 1 of 1 calculated diagram(s): 300–2361.93 K, x(B) 0.95882–1
Literature: 7 values (7 accepted) from 1 papers
Interactive: phase registry entry

Names (4): corpus: corpus:phase:b-mn:b-beta-rhombo, corpus:phase:b-mn:beta-rhombo-b
paper: paper:10.1007/s11669-010-9740-6:βB
tdb: tdb:MnB-10Sun.tdb:BETA_RHOMBO_B

TDB models of BETA_RHOMBO_B (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: BETA_RHOMBO_B, type code %, sha256 11f9ca583b9dcc65…

51: PHASE BETA_RHOMBO_B % 1 1 !
52: CONST BETA_RHOMBO_B : B% MN : !

Example references (4 of 4; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.3891/acta.chem.scand.24-1791 Sven Andersson, Jan-Otto Carlsson, E. E. Astrup, S. Liaaen-Jensen, Aud Lamvik, Erling Sunde et al., The Crystal Structure of MnB4., Acta Chem. Scand. 24, 1791-1799 (1970).
cited as the source of values for this phase

BCC_A2 (B–Mn)

Id: phase:b-mn:bcc-a2; status assigned
Structure: W · A2 · cI2 · Im-3m (229); type st:a2-w-ci2; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 1410.94–1519 K, x(B) 0–2e-05
Literature: 4 values (4 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:bcc-a2
paper: paper:10.1007/s11669-010-9740-6:δMn
tdb: tdb:MnB-10Sun.tdb:BCC_A2

TDB models of BCC_A2 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: BCC_A2, type code %B, sha256 11f9ca583b9dcc65…

31: PHASE BCC_A2 %B 2 1 3 !
32: CONST BCC_A2 : MN : B VA% : !

Example references (3 of 3; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase

CBCC_A12 (B–Mn)

Id: phase:b-mn:cbcc-a12; status assigned
Structure: alpha-Mn · A12 · cI58 · I-43m (217); type st:a12-alpha-mn-ci58; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 300–980 K, x(B) 0–0
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:b-mn:cbcc-a12
tdb: tdb:MnB-10Sun.tdb:CBCC_A12

TDB models of CBCC_A12 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: CBCC_A12, type code %A, sha256 11f9ca583b9dcc65…

41: PHASE CBCC_A12 %A 2 1 1 !
42: CONST CBCC_A12 : MN : B VA% : !

Example references (1 of 1; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase

CUB_A13 (B–Mn)

Id: phase:b-mn:cub-a13; status assigned
Structure: beta-Mn · A13 · cP20 · P4_132 (213); type st:a13-beta-mn-cp20; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 980–1360.15 K, x(B) 0–2e-05
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:b-mn:cub-a13
tdb: tdb:MnB-10Sun.tdb:CUB_A13

TDB models of CUB_A13 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: CUB_A13, type code %, sha256 11f9ca583b9dcc65…

46: PHASE CUB_A13 % 2 1 1 !
47: CONST CUB_A13 : MN : B VA% : !

Example references (1 of 1; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase

FCC_A1 (B–Mn)

Id: phase:b-mn:fcc-a1; status assigned
Structure: Cu · A1 · cF4 · Fm-3m (225); type st:a1-cu-cf4; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 1360–1496 K, x(B) 0–0
Literature: 3 values (3 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:fcc-a1
paper: paper:10.1007/s11669-010-9740-6:γMn
tdb: tdb:MnB-10Sun.tdb:FCC_A1

TDB models of FCC_A1 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: FCC_A1, type code %A, sha256 11f9ca583b9dcc65…

26: PHASE FCC_A1 %A 2 1 1 !
27: CONST FCC_A1 : MN : B VA% : !

Example references (2 of 2; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase

HCP_A3 (B–Mn)

Id: phase:b-mn:hcp-a3; status assigned
Structure: Mg · A3 · hP2 · P6_3/mmc (194); type st:a3-mg-hp2; tier A: standard phase name; confidence high
Stability: not stable in 1 calculated diagram(s)
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:b-mn:hcp-a3
tdb: tdb:MnB-10Sun.tdb:HCP_A3

TDB models of HCP_A3 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: HCP_A3, type code %A, sha256 11f9ca583b9dcc65…

36: PHASE HCP_A3 %A 2 1 0.5 !
37: CONST HCP_A3 : MN : B VA% : !

Example references (1 of 1; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase

LIQUID (B–Mn)

Id: phase:b-mn:liquid; status assigned
Structure: liquid; type st:liquid; liquid; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 1477.28–4000 K, x(B) 0–1
Literature: 28 values (28 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:liquid
paper: paper:10.1007/s11669-010-9740-6:L
tdb: tdb:MnB-10Sun.tdb:LIQUID

TDB models of LIQUID (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: LIQUID, type code %, sha256 11f9ca583b9dcc65…

21: PHASE LIQUID:L % 1 1 !
22: CONST LIQUID:L : B MN : !

Example references (3 of 3; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase

MN2B_C16 (B–Mn)

Id: phase:b-mn:mn2b-c16; status assigned
Structure: Al2Cu · C16 · tI12 · I4/mcm (140); type st:c16-al2cu-ti12; tier A: standard phase name; confidence high
Stoichiometry: B 0.3333, Mn 0.6667
Stability: stable in 1 of 1 calculated diagram(s): 300–1818.84 K, x(B) 0.33333–0.33333
Literature: 15 values (15 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mn2b-c16
paper: paper:10.1007/s11669-010-9740-6:t-Mn2B
tdb: tdb:MnB-10Sun.tdb:MN2B_C16

TDB models of MN2B_C16 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MN2B_C16, type code %, sha256 11f9ca583b9dcc65…

61: PHASE MN2B_C16 % 2 0.666667 0.333333 !
62: CONST MN2B_C16 : MN : B : !

Example references (3 of 3; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase

MN2B_CB (B–Mn)

Id: phase:b-mn:mn2b-cb; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:stoichiometry_contradicts_C_b; stoichiometry_contradicts_C_b:MnB-10Sun.tdb
Candidate (literature_printed): CuMg2 · oF48 — printed with a label mapped to this phase
Candidate (name_token): CuMg2 · C_b · oF48 · Fddd (70) — Strukturbericht/word 'CB' in the TDB name
Candidate (sgte_mmc2): CuMg2 · C_b · oF48 · Fddd (70) — Hallstedt 2025 mmc2 row for MN2B_CB: Mn2B0.982
Candidate (tdb_comment): CuMg2 · oF48 · Fddd — MnB-10Sun.tdb: 'Prototype CuMg2 (oF48, Fddd)'
Stoichiometry: B 0.3293, Mn 0.6707
Stability: stable in 1 of 1 calculated diagram(s): 300–1397.25 K, x(B) 0.32931–0.32931
Literature: 6 values (6 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mn2b-cb
paper: paper:10.1007/s11669-010-9740-6:o-Mn2B0.982
tdb: tdb:MnB-10Sun.tdb:MN2B_CB

TDB models of MN2B_CB (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MN2B_CB, type code %, sha256 11f9ca583b9dcc65…

56: PHASE MN2B_CB % 2 0.670691 0.329309 !
57: CONST MN2B_CB : MN : B : !

Example references (2 of 2; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase

MN3B4_D7B (B–Mn)

Id: phase:b-mn:mn3b4-d7b; status assigned
Structure: Ta3B4 · D7_b · oI14 · Immm (71); type st:d7-b-ta3b4-oi14; tier A: standard phase name; confidence high
Stoichiometry: B 0.5714, Mn 0.4286
Stability: stable in 1 of 1 calculated diagram(s): 300–2079.63 K, x(B) 0.57143–0.57143
Literature: 13 values (13 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mn3b4-d7b
paper: paper:10.1007/s11669-010-9740-6:Mn3B4
tdb: tdb:MnB-10Sun.tdb:MN3B4_D7B

TDB models of MN3B4_D7B (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MN3B4_D7B, type code %, sha256 11f9ca583b9dcc65…

71: PHASE MN3B4_D7B % 2 0.428571 0.571429 !
72: CONST MN3B4_D7B : MN : B : !

Example references (4 of 4; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.3891/acta.chem.scand.24-1791 Sven Andersson, Jan-Otto Carlsson, E. E. Astrup, S. Liaaen-Jensen, Aud Lamvik, Erling Sunde et al., The Crystal Structure of MnB4., Acta Chem. Scand. 24, 1791-1799 (1970).
cited as the source of values for this phase

MNB_B27 (B–Mn)

Id: phase:b-mn:mnb-b27; status assigned
Structure: FeB · B27 · oP8 · Pnma (62); type st:b27-feb-op8; tier C: assessor-stated (Hallstedt 2025 crystallographic table); confidence assessor-stated
Structure source: B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2) doi:10.1016/j.calphad.2025.102833
Caveat: not certain from the name or DFT alone (dft_space_group_62_matches_5_structure_types, no_structure_token, structure_token_is_also_a_formula); structure as stated in the SGTE crystallographic table for this phase name and system
Stoichiometry: B 0.5000, Mn 0.5000
Stability: stable in 1 of 1 calculated diagram(s): 300–2160.9 K, x(B) 0.5–0.5
Literature: 14 values (14 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mnb-b27
paper: paper:10.1007/s11669-010-9740-6:MnB
tdb: tdb:MnB-10Sun.tdb:MNB_B27

TDB models of MNB_B27 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MNB_B27, type code %, sha256 11f9ca583b9dcc65…

66: PHASE MNB_B27 % 2 0.5 0.5 !
67: CONST MNB_B27 : MN : B : !

Example references (3 of 3; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase

MNB2_C32 (B–Mn)

Id: phase:b-mn:mnb2-c32; status assigned
Structure: AlB2 · C32 · hP3 · P6/mmm (191); type st:c32-alb2-hp3; tier A: standard phase name; confidence high
Stoichiometry: B 0.6667, Mn 0.3333
Stability: stable in 1 of 1 calculated diagram(s): 1358.71–2106.93 K, x(B) 0.66667–0.66667
Literature: 19 values (19 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mnb2-c32
paper: paper:10.1007/s11669-010-9740-6:MnB2
tdb: tdb:MnB-10Sun.tdb:MNB2_C32

TDB models of MNB2_C32 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MNB2_C32, type code %, sha256 11f9ca583b9dcc65…

76: PHASE MNB2_C32 % 2 0.333333 0.666667 !
77: CONST MNB2_C32 : MN : B : !

Example references (4 of 4; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.3891/acta.chem.scand.24-1791 Sven Andersson, Jan-Otto Carlsson, E. E. Astrup, S. Liaaen-Jensen, Aud Lamvik, Erling Sunde et al., The Crystal Structure of MnB4., Acta Chem. Scand. 24, 1791-1799 (1970).
cited as the source of values for this phase

MNB4 (B–Mn)

Id: phase:b-mn:mnb4; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:sgte_mmc2_row_disagrees_with_dft; dft_space_group_14_matches_2_structure_types; no_structure_token; sgte_mmc2_row_disagrees_with_dft
Candidate (dft_mp): P2_1/c (14) — on-hull MP MnB4 at x(MN)=0.2000
Candidate (dft_oqmd): P21/c (14) — on-hull OQMD B4 Mn1 at x(MN)=0.2000
Candidate (dft_space_group_and_stoichiometry): CsTe4 · mP20 · P2_1/c (14) — space group 14 and stoichiometry match
Candidate (dft_space_group_and_stoichiometry): (FeP4) · P2_1/c (14) — space group 14 and stoichiometry match
Candidate (literature_printed): MnB4 · mC10 — printed with a label mapped to this phase
Candidate (sgte_mmc2): MnB4 · mC10 · C2/m (12) — Hallstedt 2025 mmc2 row for MNB4: MnB4
Candidate (tdb_comment): MnB4 · mC10 · C2/m — MnB-10Sun.tdb: 'Prototype MnB4 (mC10, C2/m)'
Stoichiometry: B 0.8000, Mn 0.2000
Stability: stable in 1 of 1 calculated diagram(s): 300–1648.61 K, x(B) 0.8–0.8
Literature: 12 values (12 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:b-mn:mnb4
paper: paper:10.1007/s11669-010-9740-6:MnB4
tdb: tdb:MnB-10Sun.tdb:MNB4

TDB models of MNB4 (1): PHASE and CONSTITUENT statements as written

MnB-10Sun.tdb: MNB4, type code %, sha256 11f9ca583b9dcc65…

81: PHASE MNB4 % 2 0.2 0.8 !
82: CONST MNB4 : MN : B : !

Example references (4 of 4; assessments first):

doi:10.1007/s11669-010-9740-6 Weihua Sun, Yong Du, Shuhong Liu, Baiyun Huang, Chao Jiang, Thermodynamic Assessment of the Mn-B System, J. Phase Equilib. Diffus. 31, 357-364 (2010).
assessment that models this phase; reports values for this phase
doi:10.1007/bf02869863 P.K. Liao and K.E. Spear, The B-Mn (Boron-Manganese) System, Bull. Alloy Phase Diag., 1986, 7(6), p 543-549, p 585-586
cited as the source of values for this phase
doi:10.1007/bf02652172 H. Okamoto, B-Mn (Boron-Manganese), J. Phase Equilib., 1993, 14(1), p 121-122
cited as the source of values for this phase
doi:10.3891/acta.chem.scand.24-1791 Sven Andersson, Jan-Otto Carlsson, E. E. Astrup, S. Liaaen-Jensen, Aud Lamvik, Erling Sunde et al., The Crystal Structure of MnB4., Acta Chem. Scand. 24, 1791-1799 (1970).
cited as the source of values for this phase

Please cite

R. Arróyave, J. Saal, D. Shin, ORCHID-Registry: phase registry of binary systems (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23735970
R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

Also cite B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0); the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work). Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

@misc{orchid_phase_registry_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Registry: phase registry of binary systems}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735970},
  url       = {https://doi.org/10.5281/zenodo.23735970},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}