Strong electronic influence of equatorial ligands on frontier orbitals in paddlewheel dichromium(ii,ii) complexes.
Huang, Po-Jung; Natori, Yoshiki; Kitagawa, Yasutaka; Sekine, Yoshihiro; Kosaka, Wataru; Miyasaka, Hitoshi; Dalton transactions (Cambridge, England : 2003) 48 (2019) 908–914; doi:10.1039/c8dt04347g

data_7048339
_publ_section_title
;
 Strong electronic influence of equatorial ligands on frontier orbitals in
 paddlewheel dichromium(ii,ii) complexes.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              908
_journal_page_last               914
_journal_paper_doi               10.1039/c8dt04347g
_journal_volume                  48
_journal_year                    2019
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C40 H32 Cr2 F12 O11'
_chemical_formula_sum            'C40 H32 Cr2 F12 O11'
_chemical_formula_weight         1020.66
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2018-10-31 deposited with the CCDC.
2018-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 95.212(4)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   14.874(3)
_cell_length_b                   15.244(3)
_cell_length_c                   18.470(4)
_cell_measurement_reflns_used    4712
_cell_measurement_temperature    103
_cell_measurement_theta_max      30.93
_cell_measurement_theta_min      1.92
_cell_volume                     4170.6(15)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.2.1'
_computing_publication_material  'CrystalStructure 4.2.1 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      103
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.916
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0813
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.916
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20078
_diffrn_reflns_point_group_measured_fraction_full 0.877
_diffrn_reflns_point_group_measured_fraction_max 0.756
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.467
_diffrn_reflns_theta_min         1.917
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.635
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.866
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2064.00
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.043
_exptl_crystal_size_min          0.036
_refine_diff_density_max         1.39
_refine_diff_density_min         -0.82
_refine_ls_abs_structure_details
;
 Flack x determined using 1976 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     622
_refine_ls_number_reflns         10481
_refine_ls_number_restraints     89
_refine_ls_R_factor_all          0.0993
_refine_ls_R_factor_gt           0.0745
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1205P)^2^+1.0808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1943
_refine_ls_wR_factor_ref         0.2251
_reflns_Friedel_coverage         0.650
_reflns_Friedel_fraction_full    0.754
_reflns_Friedel_fraction_max     0.596
_reflns_number_gt                7485
_reflns_number_total             10481
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c8dt04347g2.cif
_cod_data_source_block           Cr2-235-F3-THF
_cod_depositor_comments
'Adding full bibliography for 7048334--7048342.cif.'
_cod_original_cell_volume        4170.4(16)
_cod_database_code               7048339
_shelx_res_checksum              92758