Mn–Sn phases

13 phases (tier A 9, tier C 1, liquid 1, needs_review 2); 11 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 · Mn–Sn system page · Markdown · field reference

Phases of the Mn–Sn system (13)
PhaseStructureBasisStability (calculated)Literature valuesTDB models
DIAMOND_A4
phase:mn-sn:a4-diamond
C (diamond) · A4 · cF8 · Fd-3m (227)tier A: standard phase namenot stable in 2 calculated diagram(s)02
BCT_A5
phase:mn-sn:a5-bct
beta-Sn · A5 · tI4 · I4_1/amd (141)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–504.92 K, x(Sn) 1–102
BCC_A2
phase:mn-sn:bcc-a2
W · A2 · cI2 · Im-3m (229)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 1301.97–1520 K, x(Sn) 0–0.0949902
CBCC_A12
phase:mn-sn:cbcc-a12
alpha-Mn · A12 · cI58 · I-43m (217)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–1028.19 K, x(Sn) 0–0.0046802
CUB_A13
phase:mn-sn:cub-a13
beta-Mn · A13 · cP20 · P4_132 (213)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 376.54–1382.99 K, x(Sn) 0–0.1188102
FCC_A1
phase:mn-sn:fcc-a1
Cu · A1 · cF4 · Fm-3m (225)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 1307.73–1412.01 K, x(Sn) 0–0.070502
HCP_A3
phase:mn-sn:hcp-a3
Mg · A3 · hP2 · P6_3/mmc (194)tier A: standard phase namenot stable in 2 calculated diagram(s)02
LIQUID
phase:mn-sn:liquid
liquidliquidstable in 2 of 2 calculated diagram(s): 504.83–2500 K, x(Sn) 0–102
MN19SN6_D019
phase:mn-sn:mn19sn6-d019
needs_reviewstable in 1 of 1 calculated diagram(s): 544.65–1256.92 K, x(Sn) 0.24–0.2401
MN2SN_B82
phase:mn-sn:mn2sn-b82
needs_reviewstable in 2 of 2 calculated diagram(s): 300–1156.94 K, x(Sn) 0.33333–0.35702
MN3SN_D019
phase:mn-sn:mn3sn-d019
Ni3Sn · D0_19 · hP8 · P6_3/mmc (194)tier A: standard phase namestable in 1 of 1 calculated diagram(s): 300–1257.04 K, x(Sn) 0.25–0.2501
MN3SN2
phase:mn-sn:mn3sn2
Ni3Sn2 · oP20 · Pnma (62)tier C: assessor-stated (Hallstedt 2025 crystallographic table)stable in 1 of 1 calculated diagram(s): 332.67–811.67 K, x(Sn) 0.4–0.401
MNSN2_C16
phase:mn-sn:mnsn2-c16
Al2Cu · C16 · tI12 · I4/mcm (140)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–822.84 K, x(Sn) 0.66667–0.6666702

DIAMOND_A4 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:a4-diamond
tdb: tdb:MnSn-01Mie.tdb:DIAMOND_A4, tdb:MnSn-04Liu.tdb:DIAMOND_A4

TDB models of DIAMOND_A4 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: DIAMOND_A4, type code %, sha256 d25c910b69f2cf88…

47: PHASE DIAMOND_A4 % 1 1 !
48: CONST DIAMOND_A4 : SN : !

MnSn-04Liu.tdb: DIAMOND_A4, type code %, sha256 6e280c7deef79942…

45: PHASE DIAMOND_A4 % 1 1 !
46: CONST DIAMOND_A4 : SN : !

Example references (2 of 2; assessments first):

BCT_A5 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:a5-bct
tdb: tdb:MnSn-01Mie.tdb:BCT_A5, tdb:MnSn-04Liu.tdb:BCT_A5

TDB models of BCT_A5 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: BCT_A5, type code %, sha256 d25c910b69f2cf88…

62: PHASE BCT_A5 % 1 1 !
63: CONST BCT_A5 : SN : !

MnSn-04Liu.tdb: BCT_A5, type code %, sha256 6e280c7deef79942…

60: PHASE BCT_A5 % 1 1 !
61: CONST BCT_A5 : SN : !

Example references (2 of 2; assessments first):

BCC_A2 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:bcc-a2
tdb: tdb:MnSn-01Mie.tdb:BCC_A2, tdb:MnSn-04Liu.tdb:BCC_A2

TDB models of BCC_A2 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: BCC_A2, type code %B, sha256 d25c910b69f2cf88…

37: PHASE BCC_A2 %B 2 1 3 !
38: CONST BCC_A2 : MN SN : VA : !

MnSn-04Liu.tdb: BCC_A2, type code %B, sha256 6e280c7deef79942…

35: PHASE BCC_A2 %B 2 1 3 !
36: CONST BCC_A2 : MN SN : VA : !

Example references (2 of 2; assessments first):

CBCC_A12 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:cbcc-a12
tdb: tdb:MnSn-01Mie.tdb:CBCC_A12, tdb:MnSn-04Liu.tdb:CBCC_A12

TDB models of CBCC_A12 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: CBCC_A12, type code %A, sha256 d25c910b69f2cf88…

52: PHASE CBCC_A12 %A 2 1 1 !
53: CONST CBCC_A12 : MN SN : VA : !

MnSn-04Liu.tdb: CBCC_A12, type code %A, sha256 6e280c7deef79942…

50: PHASE CBCC_A12 %A 2 1 1 !
51: CONST CBCC_A12 : MN SN : VA : !

Example references (2 of 2; assessments first):

CUB_A13 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:cub-a13
tdb: tdb:MnSn-01Mie.tdb:CUB_A13, tdb:MnSn-04Liu.tdb:CUB_A13

TDB models of CUB_A13 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: CUB_A13, type code %, sha256 d25c910b69f2cf88…

57: PHASE CUB_A13 % 2 1 1 !
58: CONST CUB_A13 : MN SN : VA : !

MnSn-04Liu.tdb: CUB_A13, type code %, sha256 6e280c7deef79942…

55: PHASE CUB_A13 % 2 1 1 !
56: CONST CUB_A13 : MN SN : VA : !

Example references (2 of 2; assessments first):

FCC_A1 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:fcc-a1
tdb: tdb:MnSn-01Mie.tdb:FCC_A1, tdb:MnSn-04Liu.tdb:FCC_A1

TDB models of FCC_A1 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: FCC_A1, type code %A, sha256 d25c910b69f2cf88…

32: PHASE FCC_A1 %A 2 1 1 !
33: CONST FCC_A1 : MN SN : VA : !

MnSn-04Liu.tdb: FCC_A1, type code %A, sha256 6e280c7deef79942…

30: PHASE FCC_A1 %A 2 1 1 !
31: CONST FCC_A1 : MN SN : VA : !

Example references (2 of 2; assessments first):

HCP_A3 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:hcp-a3
tdb: tdb:MnSn-01Mie.tdb:HCP_A3, tdb:MnSn-04Liu.tdb:HCP_A3

TDB models of HCP_A3 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: HCP_A3, type code %A, sha256 d25c910b69f2cf88…

42: PHASE HCP_A3 %A 2 1 0.5 !
43: CONST HCP_A3 : MN SN : VA : !

MnSn-04Liu.tdb: HCP_A3, type code %A, sha256 6e280c7deef79942…

40: PHASE HCP_A3 %A 2 1 0.5 !
41: CONST HCP_A3 : MN SN : VA : !

Example references (2 of 2; assessments first):

LIQUID (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:liquid
tdb: tdb:MnSn-01Mie.tdb:LIQUID, tdb:MnSn-04Liu.tdb:LIQUID

TDB models of LIQUID (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: LIQUID, type code %, sha256 d25c910b69f2cf88…

27: PHASE LIQUID:L % 1 1 !
28: CONST LIQUID:L : MN SN : !

MnSn-04Liu.tdb: LIQUID, type code %, sha256 6e280c7deef79942…

25: PHASE LIQUID:L % 1 1 !
26: CONST LIQUID:L : MN SN : !

Example references (2 of 2; assessments first):

MN19SN6_D019 (Mn–Sn)

Names (2): corpus: corpus:phase:mn-sn:mn19sn6-d019
tdb: tdb:MnSn-01Mie.tdb:MN19SN6_D019

TDB models of MN19SN6_D019 (1): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: MN19SN6_D019, type code %, sha256 d25c910b69f2cf88…

67: PHASE MN19SN6_D019 % 2 19 6 !
68: CONST MN19SN6_D019 : MN : SN : !

Example references (1 of 1; assessments first):

MN2SN_B82 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:mn2sn-b82
tdb: tdb:MnSn-01Mie.tdb:MN2SN_B82, tdb:MnSn-04Liu.tdb:MN2SN_B82

TDB models of MN2SN_B82 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: MN2SN_B82, type code %, sha256 d25c910b69f2cf88…

72: PHASE MN2SN_B82 % 2 2 1 !
73: CONST MN2SN_B82 : MN : SN : !

MnSn-04Liu.tdb: MN2SN_B82, type code %, sha256 6e280c7deef79942…

70: PHASE MN2SN_B82 % 2 0.643 0.357 !
71: CONST MN2SN_B82 : MN : SN : !

Example references (2 of 2; assessments first):

MN3SN_D019 (Mn–Sn)

Names (2): corpus: corpus:phase:mn-sn:mn3sn-d019
tdb: tdb:MnSn-04Liu.tdb:MN3SN_D019

TDB models of MN3SN_D019 (1): PHASE and CONSTITUENT statements as written

MnSn-04Liu.tdb: MN3SN_D019, type code %, sha256 6e280c7deef79942…

65: PHASE MN3SN_D019 % 2 3 1 !
66: CONST MN3SN_D019 : MN : SN : !

Example references (1 of 1; assessments first):

MN3SN2 (Mn–Sn)

Names (2): corpus: corpus:phase:mn-sn:mn3sn2
tdb: tdb:MnSn-04Liu.tdb:MN3SN2

TDB models of MN3SN2 (1): PHASE and CONSTITUENT statements as written

MnSn-04Liu.tdb: MN3SN2, type code %, sha256 6e280c7deef79942…

75: PHASE MN3SN2 % 2 3 2 !
76: CONST MN3SN2 : MN : SN : !

Example references (1 of 1; assessments first):

MNSN2_C16 (Mn–Sn)

Names (3): corpus: corpus:phase:mn-sn:mnsn2-c16
tdb: tdb:MnSn-01Mie.tdb:MNSN2_C16, tdb:MnSn-04Liu.tdb:MNSN2_C16

TDB models of MNSN2_C16 (2): PHASE and CONSTITUENT statements as written

MnSn-01Mie.tdb: MNSN2_C16, type code %, sha256 d25c910b69f2cf88…

77: PHASE MNSN2_C16 % 2 1 2 !
78: CONST MNSN2_C16 : MN : SN : !

MnSn-04Liu.tdb: MNSN2_C16, type code %, sha256 6e280c7deef79942…

80: PHASE MNSN2_C16 % 2 1 2 !
81: CONST MNSN2_C16 : MN : SN : !

Example references (2 of 2; assessments first):