Encyclopedia of Crystallographic Prototypes

AFLOW Prototype: A2B_oC12_63_2c_c-001

This structure originally had the label A2B_oC12_63_2c_c. Calls to that address will be redirected here.

If you are using this page, please cite:
M. J. Mehl, D. Hicks, C. Toher, O. Levy, R. M. Hanson, G. L. W. Hart, and S. Curtarolo, The AFLOW Library of Crystallographic Prototypes: Part 1, Comp. Mat. Sci. 136, S1-S828 (2017). (doi=10.1016/j.commatsci.2017.01.017)

Links to this page

https://aflow.org/p/HPCM
or https://aflow.org/p/A2B_oC12_63_2c_c-001
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ZrSi$_{2}$ ($C49$) Structure: A2B_oC12_63_2c_c-001

Picture of Structure; Click for Big Picture
Prototype Si$_{2}$Zr
AFLOW prototype label A2B_oC12_63_2c_c-001
Strukturbericht designation $C49$
ICSD 652610
Pearson symbol oC12
Space group number 63
Space group symbol $Cmcm$
AFLOW prototype command aflow --proto=A2B_oC12_63_2c_c-001
--params=$a, \allowbreak b/a, \allowbreak c/a, \allowbreak y_{1}, \allowbreak y_{2}, \allowbreak y_{3}$

Other compounds with this structure

Bi$_{2}$Ca,  Bi$_{2}$Eu,  Ge$_{2}$Hf,  Ge$_{2}$Th,  Ge$_{2}$U,  Ge$_{2}$Zr,  Si$_{2}$Hf,  Si$_{2}$Ti,  Sn$_{2}$Er,  Sn$_{2}$Dy,  Sn$_{2}$Gd,  Sn$_{2}$Ho,  Sn$_{2}$Lu,  Sn$_{2}$Tb,  Sn$_{2}$Tm,  Sn$_{2}$Y,  Sn$_{2}$Yb


\[ \begin{array}{ccc} \mathbf{a_{1}}&=&\frac{1}{2}a \,\mathbf{\hat{x}}- \frac{1}{2}b \,\mathbf{\hat{y}}\\\mathbf{a_{2}}&=&\frac{1}{2}a \,\mathbf{\hat{x}}+\frac{1}{2}b \,\mathbf{\hat{y}}\\\mathbf{a_{3}}&=&c \,\mathbf{\hat{z}} \end{array}\]

Basis vectors

Lattice coordinates Cartesian coordinates Wyckoff position Atom type
$\mathbf{B_{1}}$ = $- y_{1} \, \mathbf{a}_{1}+y_{1} \, \mathbf{a}_{2}+\frac{1}{4} \, \mathbf{a}_{3}$ = $b y_{1} \,\mathbf{\hat{y}}+\frac{1}{4}c \,\mathbf{\hat{z}}$ (4c) Si I
$\mathbf{B_{2}}$ = $y_{1} \, \mathbf{a}_{1}- y_{1} \, \mathbf{a}_{2}+\frac{3}{4} \, \mathbf{a}_{3}$ = $- b y_{1} \,\mathbf{\hat{y}}+\frac{3}{4}c \,\mathbf{\hat{z}}$ (4c) Si I
$\mathbf{B_{3}}$ = $- y_{2} \, \mathbf{a}_{1}+y_{2} \, \mathbf{a}_{2}+\frac{1}{4} \, \mathbf{a}_{3}$ = $b y_{2} \,\mathbf{\hat{y}}+\frac{1}{4}c \,\mathbf{\hat{z}}$ (4c) Si II
$\mathbf{B_{4}}$ = $y_{2} \, \mathbf{a}_{1}- y_{2} \, \mathbf{a}_{2}+\frac{3}{4} \, \mathbf{a}_{3}$ = $- b y_{2} \,\mathbf{\hat{y}}+\frac{3}{4}c \,\mathbf{\hat{z}}$ (4c) Si II
$\mathbf{B_{5}}$ = $- y_{3} \, \mathbf{a}_{1}+y_{3} \, \mathbf{a}_{2}+\frac{1}{4} \, \mathbf{a}_{3}$ = $b y_{3} \,\mathbf{\hat{y}}+\frac{1}{4}c \,\mathbf{\hat{z}}$ (4c) Zr I
$\mathbf{B_{6}}$ = $y_{3} \, \mathbf{a}_{1}- y_{3} \, \mathbf{a}_{2}+\frac{3}{4} \, \mathbf{a}_{3}$ = $- b y_{3} \,\mathbf{\hat{y}}+\frac{3}{4}c \,\mathbf{\hat{z}}$ (4c) Zr I

References

  • P. G. Cotter, J. A. Kohn, and R. A. Potter, Physical and X-Ray Study of the Disilicides of Titanium, Zirconium, and Hafnium, J. Am. Ceram. Soc. 39, 11–12 (1956), doi:10.1111/j.1151-2916.1956.tb15590.x.

Found in

  • P. Villars, ZrSi2 Crystal Structure (2016). PAULING FILE in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (ed.) SpringerMaterials.

Prototype Generator

aflow --proto=A2B_oC12_63_2c_c --params=$a,b/a,c/a,y_{1},y_{2},y_{3}$

Species:

Running:

Output: