H2-Initiated Reversible Switching between Two-Dimensional Metallacycles and Three-Dimensional Cylinders.
Han, Ying-Feng; Zhang, Long; Weng, Lin-Hong; Jin, Guo-Xin; Journal of the American Chemical Society 136 (2014) 14608–; doi:10.1021/ja508543y

data_4122922
_publ_section_title
;
 H2-Initiated Reversible Switching between Two-Dimensional Metallacycles
 and Three-Dimensional Cylinders.
;
_journal_issue                   41
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14608
_journal_paper_doi               10.1021/ja508543y
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C93 H124 F12 Ir2 N12 O23 S10'
_chemical_formula_weight         2711.03
_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                 96.224(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.579(7)
_cell_length_b                   20.736(8)
_cell_length_c                   28.869(11)
_cell_measurement_reflns_used    1014
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.167
_cell_measurement_theta_min      2.472
_cell_volume                     11651(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0706
_diffrn_reflns_av_unetI/netI     0.1387
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            47807
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.100
_diffrn_reflns_theta_min         1.419
_exptl_absorpt_coefficient_mu    2.550
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.747
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_description       block
_exptl_crystal_F_000             5488
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.040
_platon_squeeze_details
; 
 In asymmetric unit of this data, there were disordered 
 anions and solvents (one triflate anion, six water and 
 three water molecule) which could not restrained properly. 
 Therefore, SQUEEZE algorithm was used to omit them. 
;
_refine_diff_density_max         0.914
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.795
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1172
_refine_ls_number_reflns         20657
_refine_ls_number_restraints     96
_refine_ls_restrained_S_all      0.811
_refine_ls_R_factor_all          0.0989
_refine_ls_R_factor_gt           0.0489
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0563P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1085
_refine_ls_wR_factor_ref         0.1178
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9988
_reflns_number_total             20657
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja508543y_si_001.cif
_cod_data_source_block           12(OTf)4
_cod_database_code               4122922
_shelx_estimated_absorpt_t_min   0.568
_shelx_estimated_absorpt_t_max   0.905
_shelxl_version_number           2013-4
_shelx_res_checksum              42642
_shelx_hkl_checksum              95386