Chabazite-Na Mazzi F, Galli E Neues Jahrbuch fur Mineralogie, Monatshefte 1983 (1983) 461-480 The tetrahedral framework of chabazite Locality: Richmond, Melbourne, Victoria, Australia Note: Occupancies invented to match formula and refinement Note: This structure matches the reported bond lengths for C 4b, not C 4a Sample: C 4a, triclinic refinement 9.4410 9.4344 9.4375 94.214 94.080 94.104 P-1 atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NaX1 .2090 .2085 .2081 .15 4.7 .0152 .0157 .0149 .0138 .0136 .0139 CaX1 .2090 .2085 .2081 .11 4.7 .0152 .0157 .0149 .0138 .0136 .0139 KX1 .2090 .2085 .2081 .04 4.7 .0152 .0157 .0149 .0138 .0136 .0139 NaX2A .5765 .2152 .5783 .015 4.9 CaX2A .5765 .2152 .5783 .011 4.9 KX2A .5765 .2152 .5783 .014 4.9 NaX2B .5747 .5808 .2148 .015 4.8 CaX2B .5747 .5808 .2148 .011 4.8 KX2B .5747 .5808 .2148 .014 4.8 NaX2C .2092 .5686 .5758 .015 4.2 CaX2C .2092 .5686 .5758 .011 4.2 KX2C .2092 .5686 .5758 .014 4.2 NaX3 .4038 .4018 .4033 .12 8.3 CaX3 .4038 .4018 .4033 .08 8.3 KX3 .4038 .4018 .4033 .03 8.3 NaX4A .5 0 .5 .07 11.6 CaX4A .5 0 .5 .045 11.6 KX4A .5 0 .5 .015 11.6 NaX4B .5 .5 0 .07 11.7 CaX4B .5 .5 0 .045 11.7 KX4B .5 .5 0 .015 11.7 NaX4C 0 .5 .5 .07 12.2 CaX4C 0 .5 .5 .045 12.2 KX4C 0 .5 .5 .015 12.2 Si1 .3330 .1032 -.1251 .659 .94 .0018 .0027 .0034 .0003 -.0001 .0002 Al1 .3330 .1032 -.1251 .341 .94 .0018 .0027 .0034 .0003 -.0001 .0002 Si2 .3322 -.1249 .1035 .621 .95 .0021 .0037 .0023 -.0004 .0004 .0001 Al2 .3322 -.1249 .1035 .379 .95 .0021 .0037 .0023 -.0004 .0004 .0001 Si3 .1031 -.1246 .3321 .702 .92 .0027 .0031 .0020 .0003 .0005 -.0001 Al3 .1031 -.1246 .3321 .298 .92 .0027 .0031 .0020 .0003 .0005 -.0001 Si4 .1027 .3321 -.1246 .684 .93 .0023 .0020 .0037 .0006 .0004 -.0005 Al4 .1027 .3321 -.1246 .316 .93 .0023 .0020 .0037 .0006 .0004 -.0005 Si5 -.1245 .3329 .1036 .635 .99 .0036 .0021 .0028 -.0003 .0003 .0005 Al5 -.1245 .3329 .1036 .365 .99 .0036 .0021 .0028 -.0003 .0003 .0005 Si6 -.1239 .1038 .3334 .691 .94 .0035 .0026 .0019 .0002 -.0008 .0003 Al6 -.1239 .1038 .3334 .309 .94 .0035 .0026 .0019 .0002 -.0008 .0003 O1A -.2650 .0013 .2658 2.8 .0072 .0086 .0068 -.0030 .0001 -.0017 O1B .2654 -.2656 -.0012 2.8 .0078 .0080 .0071 .0002 -.0017 -.0014 O1C .0004 .2637 -.2642 2.5 .0080 .0063 .0061 -.0020 -.0018 -.0005 O2A -.1494 .5004 .1505 2.4 .0084 .0032 .0084 .0008 -.0010 .0005 O2B .1493 -.1507 .4990 2.1 .0088 .0065 .0028 -.0003 .0014 -.0001 O2C .5000 .1509 -.1510 2.3 .0040 .0089 .0069 .0008 .0010 .0005 O3A .2513 -.1084 .2519 2.5 .0053 .0123 .0041 -.0006 .0024 .0001 O3B .2525 .2517 -.1096 2.4 .0030 .0045 .0130 .0009 -.0001 .0003 O3C -.1072 .2526 .2534 2.6 .0122 .0050 .0051 .0003 .0002 .0015 O4A .0241 .3184 .0232 2.7 .0073 .0084 .0077 .0015 .0024 .0022 O4B .0224 .0230 .3168 2.4 .0061 .0077 .0078 .0028 .0022 .0029 O4C .3170 .0236 .0227 2.5 .0078 .0067 .0073 .0014 .0017 .0024