The tipping point of the inert pair effect: experimental and computational comparison of In(I) and Sn(II) bis(imino)pyridine complexes.
Jurca, Titel; Hiscock, Landon K.; Korobkov, Ilia; Rowley, Christopher N.; Richeson, Darrin S.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 690–697; doi:10.1039/c3dt52227j

data_7028243
_publ_section_title
;
 The tipping point of the inert pair effect: experimental and
 computational comparison of In(I) and Sn(II) bis(imino)pyridine
 complexes.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              690
_journal_page_last               697
_journal_paper_doi               10.1039/c3dt52227j
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C54 H63 Cl4 N3 Sn2'
_chemical_formula_weight         1133.25
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 111.5820(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.2152(5)
_cell_length_b                   14.1924(4)
_cell_length_c                   22.1938(6)
_cell_measurement_reflns_used    9983
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24.67
_cell_measurement_theta_min      2.38
_cell_volume                     5335.2(3)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-03 (Sheldrick, 2003)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.937
_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  0.0761
_diffrn_reflns_av_unetI/netI     0.0509
_diffrn_reflns_Laue_measured_fraction_full 0.937
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            93952
_diffrn_reflns_point_group_measured_fraction_full 0.937
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         24.733
_diffrn_reflns_theta_min         1.741
_exptl_absorpt_coefficient_mu    1.173
_exptl_absorpt_correction_T_max  0.7451
_exptl_absorpt_correction_T_min  0.6660
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_meas      ?
_exptl_crystal_description       plate
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.020
_refine_diff_density_max         1.174
_refine_diff_density_min         -0.898
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     521
_refine_ls_number_reflns         9053
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0811
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0515P)^2^+5.5794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.1060
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6399
_reflns_number_total             9053
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c3dt52227j.txt
_cod_data_source_block           dr021
_cod_depositor_comments
;
The following automatic conversions were performed:

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

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               7028243
_shelx_estimated_absorpt_t_min   0.872
_shelx_estimated_absorpt_t_max   0.977
_shelxl_version_number           2013-3
_shelx_res_checksum              15336
_shelx_hkl_checksum              89832