A trinuclear chromium(iii) chlorocarbyne.
Kurogi, Takashi; Irifune, Keiichi; Enoki, Takahiro; Takai, Kazuhiko; Chemical communications (Cambridge, England) 57 (2021) 5199–5202; doi:10.1039/d1cc01514a

data_7128215
_publ_section_title
;
 A trinuclear chromium(iii) chlorocarbyne.
;
_journal_issue                   42
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5199
_journal_page_last               5202
_journal_paper_doi               10.1039/d1cc01514a
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C25 H49 Cl6 Cr3 O6, 0.5(C4 H8 O1)'
_chemical_formula_sum            'C27 H53 Cl6 Cr3 O6.5'
_chemical_formula_weight         850.39
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2021-03-16
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;
Olex2 1.2
(compiled 2018.05.29 svn.r3510 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-17 deposited with the CCDC.	2021-04-20 downloaded from the CCDC.
;
_cell_angle_alpha                106.405(6)
_cell_angle_beta                 102.357(7)
_cell_angle_gamma                92.041(6)
_cell_formula_units_Z            2
_cell_length_a                   11.454(5)
_cell_length_b                   12.317(6)
_cell_length_c                   14.321(8)
_cell_measurement_reflns_used    5612
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.5
_cell_volume                     1883.3(16)
_computing_cell_refinement
'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_data_reduction
'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CCD
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device
;
AFC11 (Right): Eulerian 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (4x4 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Fiber
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0410
_diffrn_reflns_av_unetI/netI     0.0673
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17204
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.490
_diffrn_reflns_theta_min         2.642
_diffrn_source                   'Rotating Anode'
_exptl_absorpt_coefficient_mu    1.313
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.804
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Jacobson, R. (1998). REQAB. Private communication to the 
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_description       platelet
_exptl_crystal_F_000             882
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: THF/pentane'
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.906
_refine_diff_density_min         -0.709
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         8474
_refine_ls_number_restraints     199
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0538
_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^)+(0.0657P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1395
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6265
_reflns_number_total             8474
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc01514a2.cif
_cod_data_source_block           Cr3Cl6CHthf6
_cod_depositor_comments
'Adding full bibliography for 7128214--7128217.cif.'
_cod_original_formula_sum        'C27 H53 Cl6 Cr3 O6.50'
_cod_database_code               7128215
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.880
_shelx_estimated_absorpt_t_min   0.622
_olex2_submission_special_instructions 'No special instructions were received'