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#$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9002434.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_9002434
loop_
_publ_author_name
'Fleet M E'
'Liu X'
'Pan Y'
_publ_section_title
;
 Rare-earth elements in chlorapatite [Ca10(PO4)6(Cl)2]:
 Uptake, site preference, and degradation of monoclinic structure
 Sample: La-ClAp
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1437
_journal_page_last               1446
_journal_volume                  85
_journal_year                    2000
_chemical_formula_sum            'Ca4.899 Cl La0.052 Na0.05 O12 P3'
_[local]_cod_chemical_formula_sum_orig 'Ca4.899 Na.05 La.052 P3 O12 Cl'
_chemical_name_mineral           Chlorapatite
_symmetry_space_group_name_H-M   'P 1 1 21/b'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120.
_cell_length_a                   9.6501
_cell_length_b                   19.3002
_cell_length_c                   6.7724
_cell_volume                     1092.363
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2+y,1/2-z
-x,1/2-y,1/2+z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca1 0.32270 0.58037 0.00370 0.96300 0.00532
Na1 0.32270 0.58037 0.00370 0.02500 0.00532
La1 0.32270 0.58037 0.00370 0.01260 0.00532
Ca1p 0.34490 0.58650 0.49680 0.96300 0.02128
Na1p 0.34490 0.58650 0.49680 0.02500 0.02128
La1p 0.34490 0.58650 0.49680 0.01260 0.02128
Ca2a 0.25884 0.25185 0.24840 0.99100 0.01406
La2a 0.25884 0.25185 0.24840 0.00890 0.01406
Ca2b 0.00426 0.62268 0.74810 0.99100 0.01558
La2b 0.00426 0.62268 0.74810 0.00890 0.01558
Ca2c 0.25546 0.37953 0.75010 0.99100 0.01468
La2c 0.25546 0.37953 0.75010 0.00890 0.01468
P(a) 0.40750 0.43754 0.25550 1.00000 0.01191
P(b) 0.62463 0.26654 0.25310 1.00000 0.01229
P(c) 0.03239 0.45376 0.75350 1.00000 0.01241
O1a 0.34360 0.49575 0.24800 1.00000 0.01735
O1b 0.49200 0.32379 0.75600 1.00000 0.01684
O1c 0.14810 0.57837 0.25700 1.00000 0.01773
O2a 0.59210 0.48276 0.23540 1.00000 0.01482
O2b 0.53410 0.31366 0.24100 1.00000 0.01494
O2c 0.12680 0.54621 0.73320 1.00000 0.01456
O3a 0.33630 0.37960 0.07960 1.00000 0.01583
O3b 0.73990 0.29010 0.07550 1.00000 0.01722
O3c 0.07920 0.41800 0.57840 1.00000 0.01722
O3ap 0.36960 0.38760 0.44420 1.00000 0.01343
O3bp 0.72600 0.29680 0.44070 1.00000 0.01241
O3cp 0.09250 0.43500 0.94290 1.00000 0.01254
Cl 0.00170 0.24930 0.44510 1.00000 0.02001
_cod_database_code 9002434