Stercorite Ferraris G, Franchini-Angela M Acta Crystallographica B30 (1974) 504-510 Hydrogen bonding in the crystalline state. Crystal structure and twinning of NaNH4HPO4*4H2O (Stercorite) Locality: guano deposits _database_code_amcsd 0009501 10.636 6.9187 6.4359 90.46 97.87 109.20 P-1 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NH4 -.0046 .2048 .2199 .00615 .01603 .02277 .00509 .00336 .00006 Na .5317 .7661 .0342 .00656 .01092 .01987 .00300 .00442 .00313 P .7314 .3646 .4435 .00397 .00828 .01326 .00200 .00351 .00270 O1 .8075 .4044 .2530 .00433 .01280 .01635 .00181 .00446 .00313 O2 .7581 .5616 .5736 .00633 .01004 .01931 .00316 .00332 .00060 OH3 .5767 .2878 .3392 .00501 .01703 .01931 .00219 .00351 .00264 O4 .7578 .1961 .5716 .00689 .01098 .01993 .00347 .00375 .00523 Wat5 .6134 .8064 .4078 .00651 .01098 .02172 .00277 .00458 .00343 Wat6 .6552 .5619 -.0563 .00823 .01768 .01956 .00621 .00577 .00451 Wat7 .6557 .0936 -.0570 .00790 .01257 .01912 .00173 .00549 .00313 Wat8 -.0028 .7903 .2265 .00775 .01838 .02758 .00297 .00284 .00626