Mn–P phases

13 phases (tier A 8, tier C 1, liquid 1, needs_review 3); 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–P system page · Markdown · field reference

Phases of the Mn–P system (13)
PhaseStructureBasisStability (calculated)Literature valuesTDB models
BCC_A2
phase:mn-p:bcc-a2
W · A2 · cI2 · Im-3m (229)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 1361.07–1580.39 K, x(P) 0–1e-0503
CBCC_A12
phase:mn-p:cbcc-a12
alpha-Mn · A12 · cI58 · I-43m (217)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–980 K, x(P) 0–003
CUB_A13
phase:mn-p:cub-a13
beta-Mn · A13 · cP20 · P4_132 (213)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 980–1389.96 K, x(P) 0–1e-0503
FCC_A1
phase:mn-p:fcc-a1
Cu · A1 · cF4 · Fm-3m (225)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 1359.96–1411.08 K, x(P) 0–2e-0503
HCP_A3
phase:mn-p:hcp-a3
Mg · A3 · hP2 · P6_3/mmc (194)tier A: standard phase namenot stable in 3 calculated diagram(s)03
LIQUID
phase:mn-p:liquid
liquidliquidstable in 3 of 3 calculated diagram(s): 300–2500 K, x(P) 0–103
MN2P_C22
phase:mn-p:mn2p-c22
Fe2P · C22 · hP9 · P-62m (189)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1600.97 K, x(P) 0.33333–0.3333303
MN3P_D0E
phase:mn-p:mn3p-d0e
Ni3P · D0_e · tI32 · I-4 (82)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1382.51 K, x(P) 0.25–0.2503
MN3P2
phase:mn-p:mn3p2
needs_reviewstable in 2 of 2 calculated diagram(s): 1259.74–1367.15 K, x(P) 0.4–0.402
MNP_B31
phase:mn-p:mnp-b31
MnP · B31 · oP8 · Pnma (62)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–1428.47 K, x(P) 0.5–0.502
MNP4
phase:mn-p:mnp4
MnP4 · aP10 · P-1 (2)tier C: assessor-stated (Hallstedt 2025 crystallographic table)stable in 1 of 1 calculated diagram(s): 300–1559.87 K, x(P) 0.8–0.801
RED_P
phase:mn-p:p-red
needs_reviewstable in 3 of 3 calculated diagram(s): 300–915 K, x(P) 1–103
WHITE_P
phase:mn-p:p-white
needs_reviewnot stable in 3 calculated diagram(s)03

BCC_A2 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:bcc-a2
tdb: tdb:MnP-01Mie.tdb:BCC_A2, tdb:MnP-07Tok.tdb:BCC_A2, tdb:MnP-14Mie.tdb:BCC_A2

TDB models of BCC_A2 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: BCC_A2, type code %B, sha256 10848464fabd372b…

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

MnP-07Tok.tdb: BCC_A2, type code %B, sha256 a557a0b4c71cfda4…

33: PHASE BCC_A2 %B 2 1 3 !
34: CONST BCC_A2 : MN P : VA : !

MnP-14Mie.tdb: BCC_A2, type code %B, sha256 26ad7901d51552be…

34: PHASE BCC_A2 %B 2 1 3 !
35: CONST BCC_A2 : MN P : VA : !

Example references (2 of 2; assessments first):

CBCC_A12 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:cbcc-a12
tdb: tdb:MnP-01Mie.tdb:CBCC_A12, tdb:MnP-07Tok.tdb:CBCC_A12, tdb:MnP-14Mie.tdb:CBCC_A12

TDB models of CBCC_A12 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: CBCC_A12, type code %A, sha256 10848464fabd372b…

42: PHASE CBCC_A12 %A 2 1 1 !
43: CONST CBCC_A12 : MN P : VA : !

MnP-07Tok.tdb: CBCC_A12, type code %A, sha256 a557a0b4c71cfda4…

43: PHASE CBCC_A12 %A 2 1 1 !
44: CONST CBCC_A12 : MN P : VA : !

MnP-14Mie.tdb: CBCC_A12, type code %A, sha256 26ad7901d51552be…

44: PHASE CBCC_A12 %A 2 1 1 !
45: CONST CBCC_A12 : MN P : VA : !

Example references (2 of 2; assessments first):

CUB_A13 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:cub-a13
tdb: tdb:MnP-01Mie.tdb:CUB_A13, tdb:MnP-07Tok.tdb:CUB_A13, tdb:MnP-14Mie.tdb:CUB_A13

TDB models of CUB_A13 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: CUB_A13, type code %, sha256 10848464fabd372b…

47: PHASE CUB_A13 % 2 1 1 !
48: CONST CUB_A13 : MN P : VA : !

MnP-07Tok.tdb: CUB_A13, type code %, sha256 a557a0b4c71cfda4…

48: PHASE CUB_A13 % 2 1 1 !
49: CONST CUB_A13 : MN P : VA : !

MnP-14Mie.tdb: CUB_A13, type code %, sha256 26ad7901d51552be…

49: PHASE CUB_A13 % 2 1 1 !
50: CONST CUB_A13 : MN P : VA : !

Example references (2 of 2; assessments first):

FCC_A1 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:fcc-a1
tdb: tdb:MnP-01Mie.tdb:FCC_A1, tdb:MnP-07Tok.tdb:FCC_A1, tdb:MnP-14Mie.tdb:FCC_A1

TDB models of FCC_A1 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: FCC_A1, type code %A, sha256 10848464fabd372b…

27: PHASE FCC_A1 %A 2 1 1 !
28: CONST FCC_A1 : MN P : VA : !

MnP-07Tok.tdb: FCC_A1, type code %A, sha256 a557a0b4c71cfda4…

28: PHASE FCC_A1 %A 2 1 1 !
29: CONST FCC_A1 : MN P : VA : !

MnP-14Mie.tdb: FCC_A1, type code %A, sha256 26ad7901d51552be…

29: PHASE FCC_A1 %A 2 1 1 !
30: CONST FCC_A1 : MN P : VA : !

Example references (2 of 2; assessments first):

HCP_A3 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:hcp-a3
tdb: tdb:MnP-01Mie.tdb:HCP_A3, tdb:MnP-07Tok.tdb:HCP_A3, tdb:MnP-14Mie.tdb:HCP_A3

TDB models of HCP_A3 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: HCP_A3, type code %A, sha256 10848464fabd372b…

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

MnP-07Tok.tdb: HCP_A3, type code %A, sha256 a557a0b4c71cfda4…

38: PHASE HCP_A3 %A 2 1 0.5 !
39: CONST HCP_A3 : MN : VA : !

MnP-14Mie.tdb: HCP_A3, type code %A, sha256 26ad7901d51552be…

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

Example references (2 of 2; assessments first):

LIQUID (Mn–P)

Names (4): corpus: corpus:phase:mn-p:liquid
tdb: tdb:MnP-01Mie.tdb:LIQUID, tdb:MnP-07Tok.tdb:LIQUID, tdb:MnP-14Mie.tdb:LIQUID

TDB models of LIQUID (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: LIQUID, type code %, sha256 10848464fabd372b…

22: PHASE LIQUID:L % 1 1 !
23: CONST LIQUID:L : MN P : !

MnP-07Tok.tdb: LIQUID, type code %, sha256 a557a0b4c71cfda4…

23: PHASE LIQUID:L % 1 1 !
24: CONST LIQUID:L : MN P : !

MnP-14Mie.tdb: LIQUID, type code %, sha256 26ad7901d51552be…

24: PHASE LIQUID:L % 1 1 !
25: CONST LIQUID:L : MN P : !

Example references (2 of 2; assessments first):

MN2P_C22 (Mn–P)

Names (4): corpus: corpus:phase:mn-p:mn2p-c22
tdb: tdb:MnP-01Mie.tdb:MN2P_C22, tdb:MnP-07Tok.tdb:MN2P_C22, tdb:MnP-14Mie.tdb:MN2P_C22

TDB models of MN2P_C22 (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: MN2P_C22, type code %, sha256 10848464fabd372b…

67: PHASE MN2P_C22 % 2 2 1 !
68: CONST MN2P_C22 : MN : P : !

MnP-07Tok.tdb: MN2P_C22, type code %, sha256 a557a0b4c71cfda4…

68: PHASE MN2P_C22 % 2 2 1 !
69: CONST MN2P_C22 : MN : P : !

MnP-14Mie.tdb: MN2P_C22, type code %, sha256 26ad7901d51552be…

69: PHASE MN2P_C22 % 2 2 1 !
70: CONST MN2P_C22 : MN : P : !

Example references (2 of 2; assessments first):

MN3P_D0E (Mn–P)

Names (4): corpus: corpus:phase:mn-p:mn3p-d0e
tdb: tdb:MnP-01Mie.tdb:MN3P_D0E, tdb:MnP-07Tok.tdb:MN3P_D0E, tdb:MnP-14Mie.tdb:MN3P_D0E

TDB models of MN3P_D0E (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: MN3P_D0E, type code %, sha256 10848464fabd372b…

62: PHASE MN3P_D0E % 2 3 1 !
63: CONST MN3P_D0E : MN : P : !

MnP-07Tok.tdb: MN3P_D0E, type code %, sha256 a557a0b4c71cfda4…

63: PHASE MN3P_D0E % 2 3 1 !
64: CONST MN3P_D0E : MN : P : !

MnP-14Mie.tdb: MN3P_D0E, type code %, sha256 26ad7901d51552be…

64: PHASE MN3P_D0E % 2 3 1 !
65: CONST MN3P_D0E : MN : P : !

Example references (2 of 2; assessments first):

MN3P2 (Mn–P)

Names (3): corpus: corpus:phase:mn-p:mn3p2
tdb: tdb:MnP-07Tok.tdb:MN3P2, tdb:MnP-14Mie.tdb:MN3P2

TDB models of MN3P2 (2): PHASE and CONSTITUENT statements as written

MnP-07Tok.tdb: MN3P2, type code %, sha256 a557a0b4c71cfda4…

73: PHASE MN3P2 % 2 3 2 !
74: CONST MN3P2 : MN : P : !

MnP-14Mie.tdb: MN3P2, type code %, sha256 26ad7901d51552be…

74: PHASE MN3P2 % 2 3 2 !
75: CONST MN3P2 : MN : P : !

Example references (1 of 1; assessments first):

MNP_B31 (Mn–P)

Names (5): corpus: corpus:phase:mn-p:mnp-b31
mp: mp:mp-aaaaadyk
oqmd: oqmd:oqmd-5845
tdb: tdb:MnP-07Tok.tdb:MNP_B31, tdb:MnP-14Mie.tdb:MNP_B31

TDB models of MNP_B31 (2): PHASE and CONSTITUENT statements as written

MnP-07Tok.tdb: MNP_B31, type code %, sha256 a557a0b4c71cfda4…

78: PHASE MNP_B31 % 2 1 1 !
79: CONST MNP_B31 : MN : P : !

MnP-14Mie.tdb: MNP_B31, type code %, sha256 26ad7901d51552be…

79: PHASE MNP_B31 % 2 1 1 !
80: CONST MNP_B31 : MN : P : !

Example references (1 of 1; assessments first):

MNP4 (Mn–P)

Names (2): corpus: corpus:phase:mn-p:mnp4
tdb: tdb:MnP-07Tok.tdb:MNP4

TDB models of MNP4 (1): PHASE and CONSTITUENT statements as written

MnP-07Tok.tdb: MNP4, type code %, sha256 a557a0b4c71cfda4…

83: PHASE MNP4 % 2 1 4 !
84: CONST MNP4 : MN : P : !

RED_P (Mn–P)

Names (4): corpus: corpus:phase:mn-p:p-red
tdb: tdb:MnP-01Mie.tdb:RED_P, tdb:MnP-07Tok.tdb:RED_P, tdb:MnP-14Mie.tdb:RED_P

TDB models of RED_P (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: RED_P, type code %, sha256 10848464fabd372b…

57: PHASE RED_P % 1 1 !
58: CONST RED_P : P : !

MnP-07Tok.tdb: RED_P, type code %, sha256 a557a0b4c71cfda4…

58: PHASE RED_P % 1 1 !
59: CONST RED_P : P : !

MnP-14Mie.tdb: RED_P, type code %, sha256 26ad7901d51552be…

59: PHASE RED_P % 1 1 !
60: CONST RED_P : P : !

Example references (2 of 2; assessments first):

WHITE_P (Mn–P)

Names (4): corpus: corpus:phase:mn-p:p-white
tdb: tdb:MnP-01Mie.tdb:WHITE_P, tdb:MnP-07Tok.tdb:WHITE_P, tdb:MnP-14Mie.tdb:WHITE_P

TDB models of WHITE_P (3): PHASE and CONSTITUENT statements as written

MnP-01Mie.tdb: WHITE_P, type code %, sha256 10848464fabd372b…

52: PHASE WHITE_P % 1 1 !
53: CONST WHITE_P : P : !

MnP-07Tok.tdb: WHITE_P, type code %, sha256 a557a0b4c71cfda4…

53: PHASE WHITE_P % 1 1 !
54: CONST WHITE_P : P : !

MnP-14Mie.tdb: WHITE_P, type code %, sha256 26ad7901d51552be…

54: PHASE WHITE_P % 1 1 !
55: CONST WHITE_P : P : !

Example references (2 of 2; assessments first):