AM_NaNiS_1 Formula: Na Ni2 S2 O10 H3 Name: NaNiS Unit cell: 8.595 6.172 7.319 90.0 114.81 90.0 , V=352.43 Space group: C12/M1 (12)

Krickl R , Wildner M , European Journal of Mineralogy , 19 (2007) p.805-816, Crystal chemistry of synthetic Co- and Ni-analogues of natrochalcite - the, shortest known hydrogen bonds among mineral-type compounds, Part I: single-crystal X-ray structures, Sample: T = 105 K