#------------------------------------------------------------------------------
#$Date: 2017-01-15 18:03:31 +0000 (Sun, 15 Jan 2017) $
#$Revision: 190549 $
#$URL: svn://www.crystallography.net/cod/cif/9/00/76/9007674.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# 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_9007674
loop_
_publ_author_name
'Ferraris, G.'
'Fuess, H.'
'Joswig, W.'
_publ_section_title
;
 Neutron diffraction study of MgNH4PO4*6H2O (struvite)
 and survey of water molecules donating short hydrogen bonds
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              253
_journal_page_last               258
_journal_paper_doi               10.1107/S0108768186098269
_journal_volume                  42
_journal_year                    1986
_chemical_formula_sum            'H16 Mg N O10 P'
_chemical_name_mineral           Struvite
_space_group_IT_number           31
_symmetry_space_group_name_Hall  'P 2ac -2'
_symmetry_space_group_name_H-M   'P m n 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   6.955
_cell_length_b                   6.142
_cell_length_c                   11.218
_cell_volume                     479.206
_exptl_crystal_density_diffrn    1.701
_cod_depositor_comments
;
 Adding the _atom_site_type_symbol data item.

 Antanas Vaitkus,
 2017-01-15
;
_cod_original_formula_sum        'Mg N H16 P O10'
_cod_database_code               9007674
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,-y,1/2+z
-x,y,z
1/2-x,-y,1/2+z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg Mg 0.00000 0.37660 0.37410 0.01621
N N 0.00000 0.36570 0.73510 0.03293
HN1 H 0.00000 0.21860 0.78320 0.04179
HN2 H 0.00000 0.33110 0.64730 0.07802
HN3 H 0.11480 0.45570 0.75350 0.06497
P P 0.00000 -0.00690 0.00190 0.01381
O1 O 0.00000 -0.02360 -0.13510 0.02115
O2 O 0.00000 -0.23820 0.05580 0.02153
O3 O 0.18230 0.11390 0.04360 0.01874
OW1 O 0.00000 0.68290 0.28780 0.03369
OW2 O 0.00000 0.07680 0.46640 0.03812
OW3 O 0.21790 0.26180 0.26430 0.02432
OW4 O 0.21150 0.48520 0.48740 0.03040
H11 H 0.00000 0.71920 0.20170 0.03559
H12 H 0.00000 0.81740 0.32990 0.05117
H21 H 0.11570 0.00700 0.49990 0.03179
H31 H 0.19890 0.20070 0.18240 0.03116
H32 H 0.31690 0.17020 0.30200 0.03318
H41 H 0.32000 0.39040 0.51200 0.03331
H42 H 0.25110 0.63540 0.50270 0.03394