Cooperative Trimerization of Carbon Monoxide by Lithium and Samarium Boryls.
Wang, Baoli; Luo, Gen; Nishiura, Masayoshi; Luo, Yi; Hou, Zhaomin; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b10108

data_4126711
_publ_section_title
;
 Cooperative Trimerization of Carbon Monoxide by Lithium and Samarium
 Boryls.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b10108
_journal_year                    2017
_chemical_formula_sum            'C42 H68 B Cl3 Li N2 O4 Sm'
_chemical_formula_weight         939.43
_chemical_name_common            {(Boryl)SmCl2(THF)2LiCl(THF)2}
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.858(2)
_cell_length_b                   12.219(2)
_cell_length_c                   35.608(7)
_cell_measurement_reflns_used    278
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     4724.3(15)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Diffractometer with a CMOS area detector'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0952
_diffrn_reflns_av_unetI/netI     0.0478
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            77214
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         1.762
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    1.451
_exptl_absorpt_correction_T_max  0.84
_exptl_absorpt_correction_T_min  0.75
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1948
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_exptl_transmission_factor_max   0.86
_exptl_transmission_factor_min   0.75
_refine_diff_density_max         0.444
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details
;
 Flack x determined using 2901 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.000(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     490
_refine_ls_number_reflns         8326
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0476
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0287P)^2^+2.7178P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0708
_refine_ls_wR_factor_ref         0.0743
_reflns_Friedel_coverage         0.781
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                7334
_reflns_number_total             8326
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b10108_si_001.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        4724.3(16)
_cod_database_code               4126711
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.760
_shelx_estimated_absorpt_t_max   0.868
_shelx_res_checksum              15276
_shelx_hkl_checksum              16074