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Crystal Lab › Prototype structures › Monoclinic

High temperature Bi₂MoO₆

Monoclinic · space group P121/c1 (No. 14) · Pearson mP144

Symmetry elements and Wyckoff positions (interactive)

High temperature Bi₂MoO₆ in P121/c1

Setting
Loading the group…
x = 0.10, y = 0.17, z = 0.08

Unit cell

Lattice constants
a = 18.190 Å, b = 22.430 Å, c = 5.585 Å; α = 90.00°, β = 108.38°, γ = 90.00°
Cell volume
2162.4 ų
Atoms in the conventional cell
144 (Bi 32, Mo 16, O 96)
Formula units Z
16
Pearson symbol
mP144 — monoclinic, primitive lattice, 144 atoms per conventional cell
Symmetry operations
4 per cell

Crystallographic sites

SiteElementWyckoffMultiplicityxyz
Bi1Bi4e40.90500.19340.9020
Bi2Bi4e40.74190.07130.7239
Bi3Bi4e40.74340.18770.3194
Bi4Bi4e40.59160.06760.0876
Bi5Bi4e40.59110.18910.6571
Bi6Bi4e40.42990.19270.9099
Bi7Bi4e40.25770.19560.2607
Bi8Bi4e40.09060.06430.0726
Mo10Mo4e40.41120.07080.4002
Mo11Mo4e40.22960.06110.7316
Mo12Mo4e40.08150.18180.5705
Mo9Mo4e40.91690.05800.4219
O13O4e40.97350.10090.6645
O14O4e40.96890.02520.2359
O15O4e40.84840.24630.0974
O16O4e40.67240.11520.9184
O17O4e40.66910.25010.9151
O18O4e40.36460.00660.2396
O19O4e40.49190.09590.2929
O20O4e40.48670.25080.7177
O21O4e40.45690.04420.7179
O22O4e40.36280.13600.4458
O23O4e40.32360.24820.0816
O24O4e40.29630.00660.6723
O25O4e40.17740.02270.9074
O26O4e40.18410.09840.4191
O27O4e40.15680.22850.5408
O28O4e40.12900.13800.8430
O29O4e40.86370.01040.5837
O30O4e40.80130.15200.6993
O31O4e40.84740.10260.2224
O32O4e40.66510.11480.4071
O33O4e40.53900.15180.9390
O34O4e40.29240.11580.9224
O35O4e40.00990.22730.6199
O36O4e40.04380.14400.2688

The multiplicity and the Wyckoff letter say how many copies of the site the group makes in one cell and on which kind of symmetry element the site sits; the 144 atoms drawn above are these sites multiplied by all 4 operations. Press Wyckoff under Colour to see the sites, and tick a symmetry element on the left to see which atoms lie on it.

How to read the label

A2BC6_mP144_14_8e_4e_24e-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol mP144, then the space-group number 14, then the Wyckoff letters occupied by each element in turn (Bi: 4e; Bi: 4e; Bi: 4e; Bi: 4e; Bi: 4e; Bi: 4e; Bi: 4e; Bi: 4e; Mo: 4e; Mo: 4e; Mo: 4e; Mo: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e; O: 4e). Two structures with the same label are the same arrangement with different cell parameters or coordinates.

Note: HT.

Source

Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry A2BC6_mP144_14_8e_4e_24e-001 (M. J. Mehl et al., Comput. Mater. Sci. 136, S1 (2017); D. Hicks et al., ibid. 161, S1 (2019) and 199, 110450 (2021); S. Eckert et al., ibid. 240, 112988 (2024)). Symmetry elements, Wyckoff assignment and the diagram are computed on this page from the group operations.

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