Aerobically stable and substitutionally labile α-diimine rhenium dicarbonyl complexes
Schindler, Kevin; Crochet, Aurélien; Zobi, Fabio; RSC Advances 11 (2021) 7511–7520; doi:10.1039/D1RA00514F

data_7242287
_publ_section_title
;
 Aerobically stable and substitutionally labile \a-diimine rhenium
 dicarbonyl complexes
;
_journal_issue                   13
_journal_name_full               'RSC Advances'
_journal_page_first              7511
_journal_page_last               7520
_journal_paper_doi               10.1039/D1RA00514F
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C20 H24 Br Cl N2 O2 Re, C H Cl3'
_chemical_formula_sum            'C21 H25 Br Cl4 N2 O2 Re'
_chemical_formula_weight         745.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-05-27
_audit_creation_method
;
Olex2 1.3
(compiled 2020.02.04 svn.rd84adfe8 for OlexSys, GUI svn.r6032)
;
_audit_update_record
;
2021-01-18 deposited with the CCDC.	2021-02-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.4068(8)
_cell_length_b                   13.9121(6)
_cell_length_c                   16.1781(7)
_cell_measurement_reflns_used    6740
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      26.49
_cell_measurement_theta_min      1.93
_cell_volume                     2792.4(2)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2009)'
_computing_data_collection       'X-Area (Stoe & Cie, 2009)'
_computing_data_reduction        'X-RED32(Stoe & Cie, 2009)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      250(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'STOE IPDS2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_unetI/netI     0.0332
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10710
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.247
_diffrn_reflns_theta_min         1.931
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Stoe IPDS2'
_exptl_absorpt_coefficient_mu    6.184
_exptl_absorpt_correction_T_max  0.4015
_exptl_absorpt_correction_T_min  0.2857
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE X-Red32, absorption correction by Gaussian integration, analogous to
P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal
Structure Analysis", published in
F. R. Ahmed (Editor), "Crystallographic Computing",
Munksgaard, Copenhagen (1970), 255 - 270.
Afterwards scaling of reflection intensities was performed within STOE LANA.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, , Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
;
_exptl_crystal_colour            'brownish red'
_exptl_crystal_colour_modifier   brownish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.773
_exptl_crystal_description       prism
_exptl_crystal_F_000             1436
_exptl_crystal_recrystallization_method
'recrystallised from a mixture of chloroform and pentane by solvent layering'
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.187
_refine_diff_density_min         -2.206
_refine_diff_density_rms         0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2916
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.1118
_refine_ls_R_factor_gt           0.0778
_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^)+(0.1209P)^2^+31.6071P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2133
_refine_ls_wR_factor_ref         0.2417
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1960
_reflns_number_total             2916
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra00514f2.cif
_cod_data_source_block           ks42
_cod_database_code               7242287
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.577
_shelx_estimated_absorpt_t_min   0.343
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(Cl3) = Uanis(Cl2) = Uanis(Cl4)
3. Others
 Fixed Sof: C11(0.5) H11(0.5) Cl2(0.5) Cl3(0.5) Cl4(0.5)
4.a Free rotating group:
 C11(Cl2,Cl3,Cl4)
4.b Ternary CH refined with riding coordinates:
 C11(H11)
4.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4)
4.d Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C9(H9A,H9B,H9C)
;
_shelx_res_checksum              93006
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder with oil'
_olex2_submission_special_instructions 'No special instructions were received'