Encyclopedia of Crystallographic Prototypes

AFLOW Prototype: AB_hP2_187_a_d-001

This structure originally had the label AB_hP2_187_d_a. 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/X4K0
or https://aflow.org/p/AB_hP2_187_a_d-001
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Tungsten Carbide (WC, $B_{h}$ ) Structure: AB_hP2_187_a_d-001

Prototype	CW
AFLOW prototype label	AB_hP2_187_a_d-001
Strukturbericht designation	$B_{h}$
ICSD	15406
Pearson symbol	hP2
Space group number	187
Space group symbol	$P \overline{6} m 2$
AFLOW prototype command	aflow --proto=AB_hP2_187_a_d-001 --params= $a, c / a$

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View the primitive and conventional cell

Other compounds with this structure

AlSn, BIr, MoC, MoP, NbS, OsC, RuC, TaS, TeZr, TiS, WN

Hexagonal primitive vectors

a_{1} a_{2} a_{3} = = = \frac{1}{2} a \hat{x} - \frac{3}{2} a \hat{y} \frac{1}{2} a \hat{x} + \frac{3}{2} a \hat{y} c \hat{z}

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Basis vectors

		Lattice coordinates		Cartesian coordinates	Wyckoff position	Atom type
$B_{1}$	=	$0$	=	$0$	(1a)	C I
$B_{2}$	=	$\frac{1}{3} a_{1} + \frac{2}{3} a_{2} + \frac{1}{2} a_{3}$	=	$\frac{1}{2} a \hat{x} + \frac{3}{6} a \hat{y} + \frac{1}{2} c \hat{z}$	(1d)	W I

References

J. Leciejewicz, A note on the structure of tungsten carbide, Acta Cryst. 14, 200 (1961), doi:10.1107/S0365110X6100067X.

Found in

W. B. Pearson, The Crystal Chemistry and Physics of Metals and Alloys (Wiley Interscience, New York, London, Sydney, Tornoto, 1972).

a

c / a

A

B

Encyclopedia of Crystallographic Prototypes

Tungsten Carbide (WC, $B_{h}$ ) Structure: AB_hP2_187_a_d-001

Hexagonal primitive vectors

References

Found in

Running:

Output:

Encyclopedia of Crystallographic Prototypes

Tungsten Carbide (WC, Bh​) Structure: AB_hP2_187_a_d-001

Hexagonal primitive vectors

References

Found in

Running:

Output:

Tungsten Carbide (WC, $B_{h}$ ) Structure: AB_hP2_187_a_d-001