#------------------------------------------------------------------------------
#$Date: 2011-09-10 05:16:28 +0200 (Sat, 10 Sep 2011) $
#$Revision: 25271 $
#$URL: svn://www.crystallography.net/cod/cif/2/2100519.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_2100519
loop_
_publ_author_name
'Mora, Asilo\'e J.'
'Brunelli, Michela'
'Fitch, Andrew N.'
'Wright, Jonathan'
'B\'aez, Maria E.'
'L\'opez-Carrasquero, Francisco'
_publ_section_title
;
 Structures of (<i>S</i>)-({-})-4-oxo-2-azetidinecarboxylic acid and
 3-azetidinecarboxylic acid from powder synchrotron diffraction data
;
_journal_coeditor_code           AV5050
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              606
_journal_page_last               611
_journal_volume                  62
_journal_year                    2006
_chemical_formula_analytical     'C4 H5 N O3'
_chemical_formula_moiety         'C4 H5 N O3'
_chemical_formula_sum            'C4 H5 N O3'
_chemical_formula_weight         114.68
_chemical_name_systematic        '(S)-4-(-)-oxo-2-azetidinonecarboxilyc acid'
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   8.94684(2)
_cell_length_b                   7.66956(2)
_cell_length_c                   7.27555(2)
_cell_measurement_temperature    295
_cell_volume                     499.236(2)
_computing_structure_refinement  GSAS
_computing_structure_solution    EXPO-SIRPOW
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.84933
_exptl_absorpt_coefficient_mu    0.16
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  1.00000
_exptl_absorpt_process_details
;   GSAS Absorption/surface roughness correction: function number 0
 No correction is applied.
;
_exptl_crystal_density_meas      1.5310(10)
_refine_ls_goodness_of_fit_all   2.81
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_restraints     13
_refine_ls_shift/su_max          0.92
_refine_ls_shift/su_mean         0.16
_reflns_number_total             218
_[local]_cod_data_source_file    av5050.cif
_[local]_cod_data_source_block   I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (38
times).

'_geom_angle_publ_flag' value 'N' changed to 'n' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (22 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        499.237(2)
_cod_database_code               2100519
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 +x,+y,+z
2 +x+1/2,-y+1/2,-z
3 -x,+y+1/2,-z+1/2
4 -x+1/2,-y,+z+1/2
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_occupancy
C C1 0.1999(3) 0.3180(4) 0.4980(4) 0.0367(15) Uiso 1.0
N N1 0.1261(3) 0.1666(3) 0.5866(4) 0.0436(11) Uiso 1.0
C C3 0.1237(3) 0.0664(4) 0.4294(5) 0.0629(16) Uiso 1.0
C C4 0.1158(3) 0.4943(4) 0.4970(4) 0.0374(14) Uiso 1.0
O O1 0.0783(2) -0.0787(3) 0.4139(3) 0.0679(10) Uiso 1.0
O O2 0.1926(2) 0.6135(3) 0.4067(3) 0.0456(8) Uiso 1.0
O O3 -0.0011(2) 0.5128(3) 0.5778(3) 0.0461(8) Uiso 1.0
C C2 0.1954(4) 0.2126(4) 0.3106(4) 0.0378(15) Uiso 1.0
H H1 0.307(2) 0.347(3) 0.542(3) 0.06 Uiso 1.0
H H2 0.312(2) 0.191(3) 0.269(2) 0.06 Uiso 1.0
H H3 0.133(2) 0.263(3) 0.180(3) 0.06 Uiso 1.0
H H4 0.098(2) 0.184(3) 0.725(2) 0.06 Uiso 1.0
H H5 0.112(4) 0.697(5) 0.402(5) 0.06 Uiso 1.0
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C 0.017 0.009 International_Tables_Vol_C
O 0.047 0.032 International_Tables_Vol_C
N 0.029 0.018 International_Tables_Vol_C
H 0.000 0.000 International_Tables_Vol_C
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
N1 C1 C4 1_555 1_555 118.0(2) n
N1 C1 C2 1_555 1_555 87.9(2) n
N1 C1 H1 1_555 1_555 116.5(11) n
C4 C1 C2 1_555 1_555 115.4(2) n
C4 C1 H1 1_555 1_555 105.3(11) n
C2 C1 H1 1_555 1_555 113.5(11) n
C1 N1 C3 1_555 1_555 94.7(2) n
C1 N1 H4 1_555 1_555 115.1(14) n
C3 N1 H4 1_555 1_555 150.1(14) n
N1 C3 O1 1_555 1_555 127.3(3) n
N1 C3 C2 1_555 1_555 93.0(2) n
O1 C3 C2 1_555 1_555 139.7(3) n
C1 C4 O2 1_555 1_555 110.8(3) n
C1 C4 O3 1_555 1_555 121.4(3) n
O2 C4 O3 1_555 1_555 127.7(3) n
C4 O2 H5 1_555 1_555 95.(2) n
C1 C2 C3 1_555 1_555 84.3(2) n
C1 C2 H2 1_555 1_555 106.8(10) n
C1 C2 H3 1_555 1_555 122.9(11) n
C3 C2 H2 1_555 1_555 115.9(12) n
C3 C2 H3 1_555 1_555 119.4(11) n
H2 C2 H3 1_555 1_555 106.4(14) n
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
C1 N1 1_555 1.483(4) n
C1 C3 1_555 2.106(4) n
C1 C4 1_555 1.548(4) n
C1 C2 1_555 1.585(4) n
C1 H1 1_555 1.034(19) n
N1 C1 1_555 1.483(4) n
N1 C3 1_555 1.378(4) n
N1 C2 1_555 2.131(4) n
N1 H4 1_555 1.049(18) n
C3 C1 1_555 2.106(4) n
C3 N1 1_555 1.378(4) n
C3 O1 1_555 1.190(4) n
C3 C2 1_555 1.554(5) n
C4 C1 1_555 1.548(4) n
C4 O2 1_555 1.319(4) n
C4 O3 1_555 1.208(4) n
C4 H1 1_555 2.076(19) n
C4 H5 1_555 1.70(4) n
O1 C3 1_555 1.190(4) n
O1 H5 1_545 1.75(4) n
O2 C4 1_555 1.319(4) n
O2 H5 1_555 0.96(4) n
O3 C4 1_555 1.208(4) n
C2 C1 1_555 1.585(4) n
C2 N1 1_555 2.131(4) n
C2 C3 1_555 1.554(5) n
C2 H2 1_555 1.10(2) n
C2 H3 1_555 1.17(2) n
H1 C1 1_555 1.034(19) n
H1 C4 1_555 2.076(19) n
H2 C2 1_555 1.10(2) n
H2 H3 1_555 1.82(3) n
H3 C2 1_555 1.17(2) n
H3 H2 1_555 1.82(3) n
H4 N1 1_555 1.049(18) n
H5 C4 1_555 1.70(4) n
H5 O1 1_565 1.75(4) n
H5 O2 1_555 0.96(4) n