Thermonatrite Wu K K, Brown I D Acta Crystallographica B31 (1975) 890-892 A neutron diffraction study of Na2CO3*H2O Locality: synthetic _database_code_amcsd 0009532 6.472 10.724 5.259 90 90 90 P2_1ab atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na1 0 .1932 .1392 .0142 .0190 .0107 .0004 .0011 -.0001 Na2 .0643 .0012 -.3782 .0156 .0139 .0218 .0036 -.0015 -.0018 C -.2145 .2546 .6024 .0052 .0089 .0125 -.0011 -.0006 -.0008 O1 -.2010 .1389 .5466 .0150 .0084 .0316 .0005 -.0045 -.0046 O2 -.2033 .3366 .4266 .0186 .0179 .0144 -.0002 -.0012 .0027 O3 -.2398 .2883 -.1650 .0164 .0267 .0122 -.0045 .0009 -.0026 O4 .0322 -.0296 .0692 .0189 .0192 .0215 -.0009 -.0012 .0046 H1 .1464 -.0662 .1611 .0253 .0383 .0396 .0062 -.0038 .0030 H2 -.0805 -.0899 .1000 .0268 .0280 .0262 .0025 .0038 -.0020