Ba3CrS5
Fukuoka, H.Miyaki, Y.Yamanaka, S.
Journal of Solid State Chemistry (2003) 176, 206-212
a=9.1208Å b=9.1208Å c=6.193Å
α=90° β=90° γ=120°
Ba3Cr2S6
a=11.8179Å b=11.8179Å c=12.796Å