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Figure 6
(a) Crystal structure model of NaCu2VP2O10. Na ions are omitted. (b) Cu–Cu network and local structures of a single layer of the Cu–Cu network along the (c) [010], (d) [100] and (e) [001] directions. Large and small Cu ions represent the atomic positions at the front and back, respectively. The red, green and blue dashed lines indicate the first-, second- and third-nearest-neighbour Cu–Cu bond distances, respectively.

IUCrJ
Volume 7| Part 4| July 2020| Pages 656-662
ISSN: 2052-2525
https://doi.org/10.1107/S2052252520005655