#------------------------------------------------------------------------------
#$Date: 2016-02-13 14:50:18 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176428 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/92/1529243.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_1529243
loop_
_publ_author_name
'M.S. Molokeev'
'S.V. Misyul'
_publ_section_title
;
 Structural changes during phase transitions and the critical and
 noncritical order parameters in the (NH4)3Nb(O2)2F4 crystal
;
_journal_issue                   1
_journal_name_full               'Physics of the Solid State'
_journal_page_first              143
_journal_paper_doi               10.1134/S1063783412010234
_journal_volume                  54
_journal_year                    2012
_chemical_formula_moiety
;
F4 Nb O4, 2(H4 N), 0.5(H8 N2)
;
_chemical_formula_sum            'F4 H12 N3 Nb O4'
_chemical_formula_weight         287.04
_space_group_IT_number           225
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_cell_angle_alpha                90.000000
_cell_angle_beta                 90.000000
_cell_angle_gamma                90.000000
_cell_formula_units_Z            4
_cell_length_a                   9.43787(6)
_cell_length_b                   9.43787(6)
_cell_length_c                   9.43787(6)
_cell_measurement_temperature    298
_cell_volume                     840.663(9)
_diffrn_measurement_device_type
;
D8 ADVANCE Bruker
;
_diffrn_radiation_monochromator  none
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type
;
 Cu K\a~1~~2~
;
_exptl_absorpt_coefficient_mu    12.389
_exptl_crystal_density_diffrn    2.269
_pd_char_colour
;
white
;
_pd_meas_2theta_range_inc        0.016
_pd_meas_2theta_range_max        109
_pd_meas_2theta_range_min        5
_pd_meas_scan_method             step
_pd_proc_ls_profile_function     PearsonVII
_pd_proc_ls_prof_R_factor        10.13
_pd_proc_number_of_points        6467
_pd_spec_mount_mode              reflection
_refine_ls_R_I_factor            2.94
_refine_ls_shift/su_max          0.01000
_cod_data_source_file            Am3NbO22F4_25C.cif
_cod_data_source_block           Am3Nb(O2)2F4-p25C
_cod_original_cell_volume        840.66(2)
_cod_original_sg_symbol_Hall     '-F 4 2 3        '
_cod_original_sg_symbol_H-M      'F M -3 M         '
_cod_database_code               1529243
_cod_database_fobs_code          1529243
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'x, y, z'
2 'x, -y, -z'
3 '-x, -y, z'
4 '-x, y, -z'
5 '-y, x, z'
6 'y, x, -z'
7 'y, -x, z'
8 '-y, -x, -z'
9 'y, z, x'
10 '-y, -z, x'
11 'y, -z, -x'
12 '-y, z, -x'
13 '-z, y, x'
14 '-z, -y, -x'
15 'z, -y, x'
16 'z, y, -x'
17 'z, x, y'
18 '-z, x, -y'
19 '-z, -x, y'
20 'z, -x, -y'
21 '-x, -z, -y'
22 '-x, z, y'
23 'x, -z, y'
24 'x, z, -y'
25 '-x, -y, -z'
26 '-x, y, z'
27 'x, y, -z'
28 'x, -y, z'
29 'y, -x, -z'
30 '-y, -x, z'
31 '-y, x, -z'
32 'y, x, z'
33 '-y, -z, -x'
34 'y, z, -x'
35 '-y, z, x'
36 'y, -z, x'
37 'z, -y, -x'
38 'z, y, x'
39 '-z, y, -x'
40 '-z, -y, x'
41 '-z, -x, -y'
42 'z, -x, y'
43 'z, x, -y'
44 '-z, x, y'
45 'x, z, y'
46 'x, -z, -y'
47 '-x, z, -y'
48 '-x, -z, y'
49 'x, 1/2+y, 1/2+z'
50 'x, 1/2-y, 1/2-z'
51 '-x, 1/2-y, 1/2+z'
52 '-x, 1/2+y, 1/2-z'
53 '-y, 1/2+x, 1/2+z'
54 'y, 1/2+x, 1/2-z'
55 'y, 1/2-x, 1/2+z'
56 '-y, 1/2-x, 1/2-z'
57 'y, 1/2+z, 1/2+x'
58 '-y, 1/2-z, 1/2+x'
59 'y, 1/2-z, 1/2-x'
60 '-y, 1/2+z, 1/2-x'
61 '-z, 1/2+y, 1/2+x'
62 '-z, 1/2-y, 1/2-x'
63 'z, 1/2-y, 1/2+x'
64 'z, 1/2+y, 1/2-x'
65 'z, 1/2+x, 1/2+y'
66 '-z, 1/2+x, 1/2-y'
67 '-z, 1/2-x, 1/2+y'
68 'z, 1/2-x, 1/2-y'
69 '-x, 1/2-z, 1/2-y'
70 '-x, 1/2+z, 1/2+y'
71 'x, 1/2-z, 1/2+y'
72 'x, 1/2+z, 1/2-y'
73 '-x, 1/2-y, 1/2-z'
74 '-x, 1/2+y, 1/2+z'
75 'x, 1/2+y, 1/2-z'
76 'x, 1/2-y, 1/2+z'
77 'y, 1/2-x, 1/2-z'
78 '-y, 1/2-x, 1/2+z'
79 '-y, 1/2+x, 1/2-z'
80 'y, 1/2+x, 1/2+z'
81 '-y, 1/2-z, 1/2-x'
82 'y, 1/2+z, 1/2-x'
83 '-y, 1/2+z, 1/2+x'
84 'y, 1/2-z, 1/2+x'
85 'z, 1/2-y, 1/2-x'
86 'z, 1/2+y, 1/2+x'
87 '-z, 1/2+y, 1/2-x'
88 '-z, 1/2-y, 1/2+x'
89 '-z, 1/2-x, 1/2-y'
90 'z, 1/2-x, 1/2+y'
91 'z, 1/2+x, 1/2-y'
92 '-z, 1/2+x, 1/2+y'
93 'x, 1/2+z, 1/2+y'
94 'x, 1/2-z, 1/2-y'
95 '-x, 1/2+z, 1/2-y'
96 '-x, 1/2-z, 1/2+y'
97 '1/2+x, y, 1/2+z'
98 '1/2+x, -y, 1/2-z'
99 '1/2-x, -y, 1/2+z'
100 '1/2-x, y, 1/2-z'
101 '1/2-y, x, 1/2+z'
102 '1/2+y, x, 1/2-z'
103 '1/2+y, -x, 1/2+z'
104 '1/2-y, -x, 1/2-z'
105 '1/2+y, z, 1/2+x'
106 '1/2-y, -z, 1/2+x'
107 '1/2+y, -z, 1/2-x'
108 '1/2-y, z, 1/2-x'
109 '1/2-z, y, 1/2+x'
110 '1/2-z, -y, 1/2-x'
111 '1/2+z, -y, 1/2+x'
112 '1/2+z, y, 1/2-x'
113 '1/2+z, x, 1/2+y'
114 '1/2-z, x, 1/2-y'
115 '1/2-z, -x, 1/2+y'
116 '1/2+z, -x, 1/2-y'
117 '1/2-x, -z, 1/2-y'
118 '1/2-x, z, 1/2+y'
119 '1/2+x, -z, 1/2+y'
120 '1/2+x, z, 1/2-y'
121 '1/2-x, -y, 1/2-z'
122 '1/2-x, y, 1/2+z'
123 '1/2+x, y, 1/2-z'
124 '1/2+x, -y, 1/2+z'
125 '1/2+y, -x, 1/2-z'
126 '1/2-y, -x, 1/2+z'
127 '1/2-y, x, 1/2-z'
128 '1/2+y, x, 1/2+z'
129 '1/2-y, -z, 1/2-x'
130 '1/2+y, z, 1/2-x'
131 '1/2-y, z, 1/2+x'
132 '1/2+y, -z, 1/2+x'
133 '1/2+z, -y, 1/2-x'
134 '1/2+z, y, 1/2+x'
135 '1/2-z, y, 1/2-x'
136 '1/2-z, -y, 1/2+x'
137 '1/2-z, -x, 1/2-y'
138 '1/2+z, -x, 1/2+y'
139 '1/2+z, x, 1/2-y'
140 '1/2-z, x, 1/2+y'
141 '1/2+x, z, 1/2+y'
142 '1/2+x, -z, 1/2-y'
143 '1/2-x, z, 1/2-y'
144 '1/2-x, -z, 1/2+y'
145 '1/2+x, 1/2+y, z'
146 '1/2+x, 1/2-y, -z'
147 '1/2-x, 1/2-y, z'
148 '1/2-x, 1/2+y, -z'
149 '1/2-y, 1/2+x, z'
150 '1/2+y, 1/2+x, -z'
151 '1/2+y, 1/2-x, z'
152 '1/2-y, 1/2-x, -z'
153 '1/2+y, 1/2+z, x'
154 '1/2-y, 1/2-z, x'
155 '1/2+y, 1/2-z, -x'
156 '1/2-y, 1/2+z, -x'
157 '1/2-z, 1/2+y, x'
158 '1/2-z, 1/2-y, -x'
159 '1/2+z, 1/2-y, x'
160 '1/2+z, 1/2+y, -x'
161 '1/2+z, 1/2+x, y'
162 '1/2-z, 1/2+x, -y'
163 '1/2-z, 1/2-x, y'
164 '1/2+z, 1/2-x, -y'
165 '1/2-x, 1/2-z, -y'
166 '1/2-x, 1/2+z, y'
167 '1/2+x, 1/2-z, y'
168 '1/2+x, 1/2+z, -y'
169 '1/2-x, 1/2-y, -z'
170 '1/2-x, 1/2+y, z'
171 '1/2+x, 1/2+y, -z'
172 '1/2+x, 1/2-y, z'
173 '1/2+y, 1/2-x, -z'
174 '1/2-y, 1/2-x, z'
175 '1/2-y, 1/2+x, -z'
176 '1/2+y, 1/2+x, z'
177 '1/2-y, 1/2-z, -x'
178 '1/2+y, 1/2+z, -x'
179 '1/2-y, 1/2+z, x'
180 '1/2+y, 1/2-z, x'
181 '1/2+z, 1/2-y, -x'
182 '1/2+z, 1/2+y, x'
183 '1/2-z, 1/2+y, -x'
184 '1/2-z, 1/2-y, x'
185 '1/2-z, 1/2-x, -y'
186 '1/2+z, 1/2-x, y'
187 '1/2+z, 1/2+x, -y'
188 '1/2-z, 1/2+x, y'
189 '1/2+x, 1/2+z, y'
190 '1/2+x, 1/2-z, -y'
191 '1/2-x, 1/2+z, -y'
192 '1/2-x, 1/2-z, y'
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
_atom_site_occupancy
_atom_site_adp_type
Nb NB 0.00000 0.00000 0.00000 0.0408(5) 1.00000 Uiso
N1 N 0.50000 0.50000 0.50000 0.045(2) 1.00000 Uiso
H1 H 0.557(2) 0.557(2) 0.557(2) 0.01267 0.50000 Uiso
N2 N 0.25000 0.25000 0.25000 0.054(2) 1.00000 Uiso
H2 H 0.190(1) 0.190(1) 0.190(1) 0.01267 1.00000 Uiso
O O 0.197(1) 0.080(2) 0.00000 0.066(4) 0.16667 Uiso
F F 0.2064(9) 0.00000 0.00000 0.11428 0.66667 Uani
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
NB -0.11210 2.48260
N 0.03110 0.01800
H 0.00000 0.00000
O 0.04920 0.03220
F 0.07270 0.05340
loop_
_diffrn_radiation_wavelength
_diffrn_radiation_wavelength_wt
1.5406 1.0000
1.5443 0.5000
