Iron–sulfur clusters have no right angles
Nigel W. Moriarty and Paul D. Adams, Acta Cryst. (2019). D75, 16–20
<http://journals.iucr.org/d/issues/2019/01/00/rr5165/index.html>
This agrees well with what we see in structures of respiratory complex II!
But when I downloaded geostd.tar from
https://sourceforge.net/projects/geostd/
and look in SF4.cif, I see:
SF4 SF4 'Iron/sulfur cluster' Ion/Group/Compound 8 8 .
2009-09-01 2009-09-01
~~~~
loop_
_chem_comp_angle.comp_id
_chem_comp_angle.atom_id_1
_chem_comp_angle.atom_id_2
_chem_comp_angle.atom_id_3
_chem_comp_angle.value_angle
_chem_comp_angle.value_angle_esd
SF4 FE3 S2 FE1 90.000 3.000
SF4 FE4 S2 FE1 90.000 3.000
SF4 FE2 S3 FE1 90.000 3.000
SF4 FE4 S3 FE1 90.000 3.000
SF4 FE2 S4 FE1 90.000 3.000
~~~~
SF4 S3 FE2 S1 90.000 3.000
SF4 S4 FE2 S1 90.000 3.000
SF4 S2 FE3 S1 90.000 3.000
SF4 S4 FE3 S1 90.000 3.000
SF4 S2 FE4 S1 90.000 3.000
SF4 S3 FE4 S1 90.000 3.000
SF4 S3 FE1 S2 90.000 3.000
Did I get an outdated version?
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