The absolute asymmetric photoisomerization of a photochromic dithionite complex in chiral crystals.
Nakai, Hidetaka; Hatake, Mayu; Miyano, Yousuke; Isobe, Kiyoshi; Chemical communications (Cambridge, England) 34 (2009) 2685–2687; doi:10.1039/b901756a

data_7104423
_publ_section_title
;
 The absolute asymmetric photoisomerization of a photochromic
 dithionite complex in chiral crystals.
;
_journal_issue                   19
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2685
_journal_page_last               2687
_journal_paper_doi               10.1039/b901756a
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C26 H42 O4 Rh2 S2 '
_chemical_formula_sum            'C26 H42 O4 Rh2 S2'
_chemical_formula_weight         688.55
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   9.1945(11)
_cell_length_b                   13.8409(16)
_cell_length_c                   21.120(3)
_cell_measurement_reflns_used    7912
_cell_measurement_temperature    123.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     2687.8(6)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.043
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            27355
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    1.411
_exptl_absorpt_correction_T_max  0.868
_exptl_absorpt_correction_T_min  0.813
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
Higashi, T. (1995). Program for Absorption Correction.
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            orange-brown
_exptl_crystal_density_diffrn    1.701
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1408.00
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.38
_refine_diff_density_min         -1.02
_refine_ls_abs_structure_details 'Flack H.D. (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.09(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     326
_refine_ls_number_reflns         6108
_refine_ls_R_factor_gt           0.0420
_refine_ls_shift/su_max          0.0010
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0426P)^2^+1.5127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                5621
_reflns_number_total             6108
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            b901756a.txt
_cod_data_source_block           '__(M)-2Pro'
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Empirical' changed to 'empirical'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_formula_sum        'C26 H42 O4 Rh2 S2 '
_cod_database_code               7104423