[Tc(CO)6]ClO4	F000 = 704
Mr = 366.42	Dx = 2.152 Mg m−3
Monoclinic, C2/c	Mo Kα radiation λ = 0.71073 Å
Hall symbol: -C 2yc	Cell parameters from 5446 reflections
a = 13.227 (4) Å	θ = 2.0–29.6º
b = 6.8002 (18) Å	µ = 1.55 mm−1
c = 13.616 (3) Å	T = 293 (2) K
β = 112.56 (2)º	Prism, colorless
V = 1131.0 (5) Å3	0.20 × 0.18 × 0.10 mm
Z = 4