C9H17O4P Marsh R E Acta Crystallographica A50 (1994) 450-455 The centrosymmetric - noncentrosymmetric ambiguity: some more examples _database_code_amcsd 0009333 12.385 6.590 13.394 90 98.00 90 P2_1/n atom x y z Uiso C1 .5698 -.2086 .3385 .0333 C2 .4472 -.1717 .3084 .0374 C3 .4285 -.0594 .2085 .0332 C4 .3125 .0081 .1707 .0446 C5 .3080 .1251 .0726 .0546 C6 .3867 .3049 .0821 .0550 C7 .5036 .2390 .1218 .0413 C8 .5055 .1271 .2206 .0291 C9 .6064 -.2216 .4500 .0541 HO2 .7387 .2218 .3418 .089 HO3 .6612 -.4152 .3101 .103 HO4 .5038 .3311 .3028 .098 H2a .4207 -.0990 .3598 .047 H2b .4082 -.2926 .3039 .061 H3 .4553 -.1474 .1612 .040 H4a .2895 .0840 .2289 .044 H4b .2665 -.1106 .1615 .054 H5a .2331 .1759 .0506 .071 H5b .3249 .0356 .0136 .066 H6a .3644 .4021 .1384 .070 H6b .3865 .3536 .0183 .065 H7a .5574 .3513 .1364 .067 H7b .5306 .1455 .0777 .043 H9a .6897 -.2507 .4638 .076 H9b .5943 -.0991 .4810 .084 H9c .5689 -.3122 .4791 .081 O1 .7008 -.0619 .1970 .0377 O2 .6966 .1326 .3607 .0401 O3 .5930 -.3939 .2890 .0453 O4 .4693 .2506 .2970 .0376 P .63259 .00341 .27519 .0285