Variable-temperature structural studies on valence tautomerism in cobalt bis(dioxolene) molecular complexes
Hathwar, Venkatesha R.; Stingaciu, Marian; Richter, Bo; Overgaard, Jacob; Iversen, Bo B.; Acta Crystallographica Section B 73 (2017) 304–312; doi:10.1107/S2052520616019235

data_2108070
_publ_section_title
;
 Variable-temperature structural studies on valence tautomerism in cobalt
 bis(dioxolene) molecular complexes
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              304
_journal_page_last               312
_journal_paper_doi               10.1107/S2052520616019235
_journal_volume                  73
_journal_year                    2017
_chemical_formula_sum            'C38 H46 Br4 Co N2 O4'
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_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
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_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
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_cell_length_c                   11.6756(14)
_cell_measurement_reflns_used    18550
_cell_measurement_temperature    235(2)
_cell_measurement_theta_max      20.5
_cell_measurement_theta_min      1.37
_cell_volume                     976.1(2)
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      235(2)
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_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker Kappa APEX II CCD detector'
_diffrn_measurement_method       '\f and \w scans'
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_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
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_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
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_diffrn_reflns_theta_full        19.665
_diffrn_reflns_theta_max         20.520
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_exptl_absorpt_coefficient_mu    2.446
_exptl_absorpt_correction_T_max  0.726
_exptl_absorpt_correction_T_min  0.640
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS, 2008'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.656
_exptl_crystal_description       block
_exptl_crystal_F_000             487
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.140
_refine_diff_density_max         1.262
_refine_diff_density_min         -0.986
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3840
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.0751
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0840P)^2^+0.2837P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1182
_refine_ls_wR_factor_ref         0.1494
_reflns_number_gt                2784
_reflns_number_total             3840
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ps5056sup1.cif
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_shelx_hkl_checksum              37514
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