Synthesis, Characterization, and Electronic Structure of Diimine Complexes of Chromium
Kevin A. Kreisel; Glenn P. A. Yap; Klaus H. Theopold; Inorganic Chemistry 47 (2008) 5293–5303; doi:10.1021/ic800302w

data_4305099
_publ_section_title
;
Synthesis, Characterization, and Electronic Structure of Diimine Complexes
of Chromium
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5293
_journal_page_last               5303
_journal_paper_doi               10.1021/ic800302w
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C30 H36 Cr N2 O4'
_chemical_formula_weight         540.61
_chemical_name_systematic
; 
 ? 
;
_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                 100.339(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.908(3)
_cell_length_b                   13.495(4)
_cell_length_c                   20.150(6)
_cell_measurement_reflns_used    1002
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      24.94
_cell_measurement_theta_min      2.42
_cell_volume                     2918.0(15)
_computing_cell_refinement       'SHELXTL, Sheldrick (2001)'
_computing_data_collection       'SMART, Bruker (2002)'
_computing_data_reduction        'SHELXTL, Sheldrick (2001)'
_computing_molecular_graphics    'SHELXTL, Sheldrick (2001)'
_computing_publication_material  'SHELXTL, Sheldrick (2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.914
_diffrn_measured_fraction_theta_max 0.809
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_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    0.0470
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            12818
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.83
_diffrn_standards_decay_%        1
_exptl_absorpt_coefficient_mu    0.427
_exptl_absorpt_correction_T_max  0.9119
_exptl_absorpt_correction_T_min  0.8861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick (2003)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.465
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     342
_refine_ls_number_reflns         5856
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0572
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0557P)^2^+0.9320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1110
_reflns_number_gt                4684
_reflns_number_total             5856
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800302w-file001_8.cif
_cod_data_source_block           klat068
_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_cell_volume        2918.0(14)
_cod_database_code               4305099