#------------------------------------------------------------------------------
#$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000789.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9000789
loop_
_publ_author_name
'Alberti A'
'Galli E'
_publ_section_title
;
 The structure of nekoite, Ca3Si6O15*7H2O, a new type of sheet silicate
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1270
_journal_page_last               1276
_journal_volume                  65
_journal_year                    1980
_chemical_formula_sum            'Ca3 H14 O22 Si6'
_[local]_cod_chemical_formula_sum_orig 'Ca3 Si6 O22 H14'
_chemical_name_mineral           Nekoite
_symmetry_space_group_name_H-M   'P 1'
_cell_angle_alpha                111.77
_cell_angle_beta                 103.50
_cell_angle_gamma                86.53
_cell_length_a                   7.588
_cell_length_b                   9.793
_cell_length_c                   7.339
_cell_volume                     492.263
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ca1 0.53660 0.16580 0.47310 ?
Ca2 0.46710 -0.16080 0.55950 ?
Ca3 0.44930 -0.16280 0.02970 ?
Si1 0.15720 0.13740 0.07910 0.01140
Si2 -0.12870 -0.12290 -0.04280 0.02153
Si3 -0.13800 -0.10580 0.39780 0.01267
Si4 0.16020 0.14140 0.66240 0.01520
Si5 0.18020 0.37830 0.48970 0.01520
Si6 0.06950 0.70510 0.63580 0.01646
O1 -0.02180 0.02910 -0.00460 0.03166
O2 0.10230 0.27960 0.24850 0.02786
O3 -0.03660 -0.26160 -0.18350 0.02660
O4 0.33570 0.06050 0.15730 0.03293
O5 -0.33540 -0.10780 -0.11820 0.02660
O6 -0.09210 -0.14870 0.18100 0.03673
O7 0.17170 0.19390 -0.09260 0.02153
O8 -0.03230 0.03840 0.54390 0.03293
O9 -0.06970 -0.24010 0.46120 0.01900
O10 0.11690 0.29310 0.62190 0.01773
O11 -0.35580 -0.08130 0.37680 0.01900
O12 0.33130 0.05890 0.59230 0.02913
O13 0.07510 0.52890 0.53390 0.02026
O14 0.39950 0.39230 0.54640 0.02786
O15 0.25430 0.78730 0.71480 0.04686
Wat1 0.50540 -0.42100 -0.07700 0.04939
Wat2 0.54990 -0.41320 0.45860 0.06206
Wat3 0.70840 0.20840 0.82070 0.10132
Wat4 0.71410 0.21830 0.28770 0.09372
Wat5 0.08250 0.50930 0.03570 0.08486
Wat6 0.75980 0.45880 0.16610 0.06586
Wat7 0.27450 -0.24320 0.22510 0.02786
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca1 0.03748 0.00419 0.01674 0.00068 0.00322 0.00183
Ca2 0.03665 0.00502 0.01517 0.00272 0.00595 0.00245
Ca3 0.03803 0.00084 0.01607 0.00374 0.00397 0.00367