Tadzhikite-(Ce)
Chernitsova N M, Pudovkina Z V, Pyatenko Y A
Soviet Physics Doklady 27 (1982) 367-368
About the crystal structure of tadzhikite {(Ca,Tr)4(Y,Tr)2(Ti,Fe,Al)(O,OH)2
[Si4B4O22]}
_database_code_amcsd 0015611
18.946 4.714 10.302 90 111.58 90 P2/a
atom     x     y     z occ Biso
Ca1  .2518     0 .3399      .99
Ca2  .3450 .9616 .0708      .99
Ce   .0421 .0194 .3595     1.02
Ti       0     0     0 .40 1.14
Fe       0     0     0 .34 1.14
Al       0     0     0 .26 1.14
B1    .171  .523  .448      .32
B2    .244  .460  .861     1.12
Si1  .1015  .488  .647      .84
Si2  .3871  .496  .837      .84
O1    .460  .244  .439     1.10
O2    .323  .319  .243      .90
O3    .070  .706  .730     1.30
O4    .131  .667  .538     1.00
O5    .462  .192  .132     1.00
O6    .255  .759  .140     1.20
O7    .166  .229  .447      .50
O8    .132  .676  .310     1.00
O9    .312  .330  .838     1.40
O10   .086  .733  .042     1.00
O11   .055  .255  .159     1.60
O12    .25  .331     0      .30
O13    .25  .652    .5      .70