(NH3OH)6P6O18.4H2O Durif A, Averbuch-Pouchot M T Acta Crystallographica C46 (1990) 2026-2028 Crystal chemistry of cyclo-hexaphosphates. VIII. structure of hydroxylammonium cyclo-hexaphosphate tetrahydrate _database_code_amcsd 0010206 10.365 9.278 7.280 108.39 100.30 96.02 P-1 atom x y z Biso P1 .28199 .49585 .39028 1.103 P2 .40646 .76239 .73136 .995 P3 .30424 .17000 .22317 1.004 OL12 .39626 .58996 .5839 1.63 OL13 .29873 .32754 .3920 1.40 OE11 .15037 .5286 .4293 1.72 OE12 .31926 .5197 .2119 1.78 OE21 .37873 .86386 .6122 1.60 OE22 .66977 .2377 .1145 1.78 OL23 .55982 .79580 .8421 1.28 OE31 .31287 .05327 .3234 1.62 OE32 .19463 .1420 .0484 1.78 N1 .5208 .1704 .7353 1.65 O1 .5450 .7016 .2345 2.25 N2 .0896 .8220 .4192 1.77 O2 .1267 .8206 .2420 2.45 N3 .9068 .4123 .1395 1.73 O3 .8804 .5498 .1089 2.63 Wat1 .1757 .1324 .6666 2.06 Wat2 .9599 .1501 .2108 2.45