fac-Re(CO)<sub>3</sub>-based neutral heteroleptic tetrahedrons.
Arumugam, Ramar; Shankar, Bhaskaran; Soumya, K. R.; Sathiyendiran, Malaichamy; Dalton transactions (Cambridge, England : 2003) 48 (2019) 7425–7431; doi:10.1039/c8dt05065a

data_7049672
_publ_section_title
;
 fac-Re(CO)<sub>3</sub>-based neutral heteroleptic tetrahedrons.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7425
_journal_page_last               7431
_journal_paper_doi               10.1039/c8dt05065a
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C148 H100 N16 O20 Re4'
_chemical_formula_sum            'C148 H100 N16 O20 Re4'
_chemical_formula_weight         3167.23
_space_group_crystal_system      orthorhombic
_space_group_IT_number           56
_space_group_name_Hall           '-P 2ab 2ac'
_space_group_name_H-M_alt        'P c c n'
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-04-06 deposited with the CCDC.    2019-04-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.1389(13)
_cell_length_b                   24.4265(13)
_cell_length_c                   35.133(2)
_cell_measurement_reflns_used    9213
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.90
_cell_measurement_theta_min      2.46
_cell_volume                     16424.5(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1705
_diffrn_reflns_av_unetI/netI     0.0865
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            128921
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.782
_diffrn_reflns_theta_min         2.203
_exptl_absorpt_coefficient_mu    2.999
_exptl_absorpt_correction_T_max  0.818
_exptl_absorpt_correction_T_min  0.795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'Greenish yellow'
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_description       Block
_exptl_crystal_F_000             6240
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.070
_refine_diff_density_max         1.247
_refine_diff_density_min         -1.088
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     847
_refine_ls_number_reflns         15653
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1468
_refine_ls_R_factor_gt           0.0821
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+182.6075P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1764
_refine_ls_wR_factor_ref         0.2088
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8691
_reflns_number_total             15653
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt05065a2.cif
_cod_data_source_block           Complex2
_cod_depositor_comments
'Adding full bibliography for 7049668--7049673.cif.'
_cod_original_cell_volume        16424.4(17)
_cod_database_code               7049672
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.795
_shelx_estimated_absorpt_t_max   0.818
_shelx_res_checksum              37746
_shelx_fab_checksum              80712