Distorted Equatorial Coordination Environments and Weakening of UO Bonds in Uranyl Complexes Containing NCN and NPN Ligands
Mark J. Sarsfield; Madeleine Helliwell; James Raftery; Inorganic Chemistry 43 (2004) 3170–3179; doi:10.1021/ic035349c

data_4310997
_publ_section_title
;
 Distorted Equatorial Coordination Environments and Weakening of UO Bonds
 in Uranyl Complexes Containing NCN and NPN Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3170
_journal_page_last               3179
_journal_paper_doi               10.1021/ic035349c
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C50.5 H87.5 N6.5 Na O4 Si6 U'
_chemical_formula_weight         1279.33
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 99.386(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.344(6)
_cell_length_b                   20.471(8)
_cell_length_c                   21.209(8)
_cell_measurement_reflns_used    5500
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.73
_cell_measurement_theta_min      2.18
_cell_volume                     6144(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0703
_diffrn_reflns_av_sigmaI/netI    0.0586
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            48267
_diffrn_reflns_theta_full        26.46
_diffrn_reflns_theta_max         26.46
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    2.810
_exptl_absorpt_correction_T_max  0.6779
_exptl_absorpt_correction_T_min  0.6033
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2620
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.743
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     627
_refine_ls_number_reflns         12567
_refine_ls_number_restraints     217
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0616
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0355P)^2^+15.4250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1009
_refine_ls_wR_factor_ref         0.1088
_reflns_number_gt                9813
_reflns_number_total             12567
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035349csi20040329_124132_3.cif
_cod_data_source_block           s1726abs
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_formula_sum        'C50.50 H87.50 N6.50 Na O4 Si6 U'
_cod_database_code               4310997