#------------------------------------------------------------------------------
#$Date: 2024-05-29 17:00:33 +0300 (Wed, 29 May 2024) $
#$Revision: 292100 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/79/9017905.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_9017905
loop_
_publ_author_name
'Xu, B.'
'Sung, C.'
'Han, B.'
_publ_section_title
;
 Crystal structure characterization of natural allantoin
 from edible lichen Umbilicaria esculenta
 Note: T = 232 K
;
_journal_name_full               Crystals
_journal_page_first              128
_journal_page_last               135
_journal_volume                  1
_journal_year                    2011
_chemical_compound_source        Synthetic
_chemical_formula_sum            'C4 H6 N4 O3'
_chemical_name_mineral           Allantoin
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.9080
_cell_angle_gamma                90
_cell_length_a                   8.0004
_cell_length_b                   5.1487
_cell_length_c                   14.7501
_cell_formula_units_Z            4
_cell_volume                     606.799
_database_code_amcsd             0020954
_diffrn_ambient_temperature      232
_exptl_crystal_density_diffrn    1.731
_cod_data_source_file            inputs/fixed/split/14975.cif
_cod_data_source_block           14975
_cod_original_formula_sum        'O3 N4 C4 H6'
_cod_database_code               9017905
loop_
_space_group_symop_operation_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_U_iso_or_equiv
O(1) 0.23500 0.10730 0.24620 0.02400
O(2) 0.06900 0.32180 0.42110 0.02400
O(3) 0.63660 0.21250 0.43740 0.02800
N(1) 0.10680 0.32020 0.12720 0.02500
N(2) 0.21170 0.54460 0.25250 0.02100
N(3) 0.46620 0.48590 0.35000 0.02500
N(4) 0.34850 0.22700 0.44840 0.02200
C(1) 0.21620 0.35320 0.40720 0.01900
C(2) 0.49970 0.30170 0.41270 0.02100
C(3) 0.28870 0.55230 0.34200 0.02000
C(4) 0.18490 0.31320 0.20940 0.01900
H1A 0.08900 0.17870 0.09730 0.03000
H1B 0.07420 0.46630 0.10430 0.03000
H2 0.18200 0.68680 0.22570 0.02500
H3 0.54090 0.55690 0.31820 0.03000
H4 0.34020 0.11490 0.49110 0.02600
H5 0.27400 0.72670 0.36690 0.02300
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0020954
