#------------------------------------------------------------------------------
#$Date: 2015-07-14 02:34:54 +0300 (Tue, 14 Jul 2015) $
#$Revision: 151706 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/65/2106593.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2106593
loop_
_publ_author_name
'Sudarsanan, K.'
'Young, R.A.'
_publ_section_title
;
 Structural interactions of F, Cl and O H in apatites
;
_journal_name_full               'Acta Crystallographica B (24,1968-38,1982)'
_journal_page_first              1401
_journal_page_last               1407
_journal_volume                  34
_journal_year                    1978
_chemical_formula_sum            'Ca9.6964 Cl2.348 O2.008'
_chemical_name_systematic        'Ca9.7 (P6 O23.81) Cl2.35 (O H)2.01'
_space_group_IT_number           176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   9.564
_cell_length_b                   9.564
_cell_length_c                   6.816
_cell_volume                     539.932
_citation_journal_id_ASTM        ACBCAR
_cod_data_source_file            Sudarsanan_ACBCAR_1978_574.cif
_cod_data_source_block           Ca9.6964Cl2.348O2.008
_cod_original_cell_volume        539.9324
_cod_database_code               2106593
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x-y,x,z+1/2
-y,x-y,z
-x,-y,z+1/2
-x+y,-x,z
y,-x+y,z+1/2
-x,-y,-z
-x+y,-x,-z-1/2
y,-x+y,-z
x,y,-z-1/2
x-y,x,-z
-y,x-y,-z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Cl1 Cl-1 0 0 0.4209 0.587 0.0
Ca3 Ca+2 0.0029 0.2656 0.25 0.5339 0.0
O1 O-2 0 0 0.1767 0.502 0.0
Ca2 Ca+2 0.0004 0.2462 0.25 0.4453 0.0
Ca1 Ca+2 0.3333 0.6667 0.0026 0.9553 0.0
