In situ oxalate formation during hydrothermal synthesis of uranyl hybrid materials
Andrews, Michael B.; Cahill, Christopher L.; CrystEngComm 13 (2011) 7068–; doi:10.1039/c1ce05934c

data_7206854
_publ_section_title
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 In situ oxalate formation during hydrothermal synthesis of uranyl hybrid
 materials
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_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              7068
_journal_paper_doi               10.1039/c1ce05934c
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C5 H3 N2 O5 U'
_chemical_formula_weight         409.12
_chemical_name_systematic
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?
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_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5463(15)
_cell_length_b                   6.6022(7)
_cell_length_c                   8.3418(9)
_cell_measurement_temperature    293(2)
_cell_volume                     746.05(14)
_computing_cell_refinement       'SAINTPLUS (Bruker AXS, 2008)'
_computing_data_collection       'APEX II (Bruker AXS, 2008)'
_computing_data_reduction        'SAINTPLUS (Bruker AXS, 2008)'
_computing_molecular_graphics    'Crystal Maker (Palmer, 2009)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Gualardi, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0275
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            13285
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.40
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    21.747
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.430
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick (2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    3.642
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.626
_refine_diff_density_min         -1.041
_refine_diff_density_rms         0.165
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.015(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         2109
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0176
_refine_ls_R_factor_gt           0.0142
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0059P)^2^+0.0224P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0280
_refine_ls_wR_factor_ref         0.0289
_reflns_number_gt                1908
_reflns_number_total             2109
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1ce05934c.txt
_cod_data_source_block           pca2on1
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               7206854