Tantalcarbide

TaCIMA symbol: Tcbgrandfathered

Tantalcarbide is a native element or alloy mineral with the formula TaC, crystallizing in the cubic system. It has a calculated density of 14.505 g/cm3.

Photos

Tantalcarbide specimen photo — David Hospital · CC BY-SA 4.0 · Commons

Crystallography

Crystal system	cubic crystal systemWikidata (CC0)
Space group	F m -3 m
Cell (Å, °)	a = 4.454, b = 4.454, c = 4.454; α = 90, β = 90, γ = 90
Cell volume	88.359 Å³, Z = 4
Axial ratios	1.0000:1:1.0000calculated from COD 9008731
Source structure	COD 9008731 (Crystal Structures, 1963)

Powder X-ray diffraction (calculated)

d (Å)	2.572	2.227	1.575	1.343	1.286	1.113
I/I₀	100	63	42.3	41.8	14.3	7.1

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9008731; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)	14.505 g/cm³calculated from COD 9008731

Chemistry (calculated)

Molecular weight	192.96 g/molcalculated from the IMA formula
Composition (wt%)	Ta 93.78%, C 6.22%

Classification

Nickel-Strunz (10th)	1.BA.20Wikidata (CC0)
Nickel-Strunz (9th)	1.BA.20Wikidata (CC0)