Hennomartinite
Libowitzky E, Armbruster T
American Mineralogist 81 (1996) 9-18
Lawsonite-type phase transitions in hennomartinite, SrMn2[Si2O7](OH)2.H2O
T = 22 C
_database_code_amcsd 0001769
6.247 9.034 13.401 90 90 90 *P2_1cn
.25 .25 0
atom      x      y      z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sr   .01703 .31155  .2517       .0080  .0100  .0077 -.0009  .0029  .0003
Mn    .2454  .2566 -.0051       .0056  .0046  .0047  .0003 -.0021  .0016
Mn1   .2482  .2508  .5023       .0056  .0046  .0047  .0003 -.0021  .0016
Si    -.001  .9715  .1315       .0063  .0044  .0051  .0000  -.001   .001
Si1   -.004  .9670  .3667       .0063  .0044  .0051  .0000  -.001   .001
O1   -.0179  .0202  .2477        .012  .0095   .005  -.001  -.005  -.001
O2     .282   .372  .1130       .0088  .0073  .0065 -.0016  -.002  -.002
O21    .280   .379  .3915       .0088  .0073  .0065 -.0016  -.002  -.002
O22   -.287 -.3718 -.1171       .0088  .0073  .0065 -.0016  -.002  -.002
O23   -.294 -.3594 -.3752       .0088  .0073  .0065 -.0016  -.002  -.002
O3     .001   .128  .0746        .009  .0065  .0085  .0001   .001  -.001
O31    .011   .127  .4227        .009  .0065  .0085  .0001   .001  -.001
O4    -.001  .6368  .0462        .008  .0078  .0081 -.0007   .001  -.001
O41   -.017  .6269  .4631        .008  .0078  .0081 -.0007   .001  -.001
O5    -.025  .6082  .2475        .037   .021   .019  -.006  -.019   .000
HwL   -.148   .626    .26 3.95
HwR   -.148   .626    .24 3.95
Hw1L   -.02   .642   .195 3.95
Hw1R   -.02   .642   .305 3.95
HhL    -.09    .61   .415 6.32
HhR    -.09    .61   .085 6.32
Hh1L    .03   .551   .030 6.32
Hh1R    .03   .551   .470 6.32