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Figure 1
The asymmetric unit of PyBIG carbonate tetrahydrate, as determined from 100 K neutron diffraction data, showing the atom numbering. Displacement ellipsoids are at the 50% probability level (Macrae et al., 2008BB24).

IUCrJ
Volume 6| Part 1| January 2019| Pages 56-65
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518014616