Ba16 Cu13 N15 Niewa R, DiSalvo F Journal of Alloys and Compounds 279 (1998) 153-160 Breaking up chains: the nitridocuprates(I) Ba(CuN), Ba16((CuN)8)(Cu2N3)(Cu3N4) and Ca4Ba(CuN2)2 _cod_database_code 1005051 _database_code_amcsd 0012819 9.5611 7.2731 13.5225 90 93.115 90 P2_1/c atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ba1 .0967 .4785 .2138 .015 .027 .156 -.0080 -.021 .054 Ba2 .2490 .0214 .1684 .023 .004 .018 .0007 .0054 -.0003 Ba3 .4107 .3124 .4122 .016 .008 .011 .0004 -.0052 .0024 Ba4 .7677 .3380 .0447 .020 .063 .014 -.007 -.0063 -.012 N1 .029 .218 .079 .5 N2 .152 .141 .335 N3 .332 .648 .144 N4 .497 .186 .101 Cu1 .4218 .4167 .1284 .018 .005 .019 .001 -.004 -.003 Cu2 .5849 .1686 .2285 .017 .007 .010 .000 -.006 .000 Cu3 .0770 .324 .4265 .5 .015 .035 .021 -.003 -.004 -.015 Cu4 .0869 .1972 .4570 .5 .018 .012 .018 .002 -.002 -.004 Cu5 0 0 0 .5 .028 .017 .018 -.007 -.006 .004 N5 0 0 0 .5 .028 .017 .018 -.007 -.006 .004