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_4122912
_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            'C60 H78 Cl2 F6 Ir2 N8 O6 S6'
_chemical_formula_weight         1768.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.9840(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.7688(10)
_cell_length_b                   29.1467(18)
_cell_length_c                   16.8413(10)
_cell_measurement_reflns_used    9833
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.54
_cell_volume                     7399.2(8)
_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-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0162
_diffrn_reflns_av_sigmaI/netI    0.0182
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26940
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.59
_diffrn_standards_decay_%        3.09
_exptl_absorpt_coefficient_mu    3.900
_exptl_absorpt_correction_T_max  0.7204
_exptl_absorpt_correction_T_min  0.5093
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.588
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3520
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.09
_platon_squeeze_details          ' '
_refine_diff_density_max         0.824
_refine_diff_density_min         -0.694
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         8458
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0236
_refine_ls_R_factor_gt           0.0201
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0283P)^2^+21.0981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0569
_refine_ls_wR_factor_ref         0.0598
_reflns_number_gt                7564
_reflns_number_total             8458
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja508543y_si_001.cif
_cod_data_source_block           2(Cl)2(OTf)2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4122912