Uranyl stabilized Schiff base complex.
Bharara, Mohan S; Tonks, Stephen A; Gorden, Anne E V; Chemical communications (Cambridge, England)  (2007) 4006–4008; doi:10.1039/b712322a

data_7102178
_publ_section_title
;
 Uranyl stabilized Schiff base complex.
;
_journal_issue                   39
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4006
_journal_page_last               4008
_journal_paper_doi               10.1039/b712322a
_journal_year                    2007
_chemical_formula_sum            'C21 H19 N3 O4 U'
_chemical_formula_weight         615.42
_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                   18.427(2)
_cell_length_b                   9.0712(12)
_cell_length_c                   11.8143(15)
_cell_measurement_reflns_used    2458
_cell_measurement_temperature    193(2)
_cell_volume                     1974.8(4)
_computing_cell_refinement       'SMART, SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'ATOMS v6.1 (Shape Software, 2004)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       'w/ 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  0.0569
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10662
_diffrn_reflns_theta_full        23.28
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    8.252
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SHELXPREP-97 (Sheldrick, 1997)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.070
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.146
_refine_diff_density_min         -0.605
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(10)
_refine_ls_extinction_coef       0.00229(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         2838
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      0.971
_refine_ls_R_factor_all          0.0286
_refine_ls_R_factor_gt           0.0254
_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^)+(0.0361P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0574
_refine_ls_wR_factor_ref         0.0589
_reflns_number_gt                2458
_reflns_number_total             2838
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b712322a.txt
_cod_data_source_block           pca
_cod_database_code               7102178