Dynamic control of racemization rate through E-Z photoisomerization of azobenzene and subsequent partial photoresolution under circular polarized light.
Tamaoki, Nobuyuki; Wada, Momoyo; Journal of the American Chemical Society 128 (2006) 6284–6285; doi:10.1021/ja058398s

data_4101470
_publ_section_title
;
 Dynamic control of racemization rate through E-Z photoisomerization of
 azobenzene and subsequent partial photoresolution under circular
 polarized light.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6284
_journal_page_last               6285
_journal_paper_doi               10.1021/ja058398s
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C39 H44 N4 O8'
_chemical_formula_weight         696.78
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.2290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1518(8)
_cell_length_b                   16.2374(13)
_cell_length_c                   21.7024(17)
_cell_measurement_reflns_used    5824
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      28.615
_cell_measurement_theta_min      2.275
_cell_volume                     3577.4(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      183(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.915
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            21869
_diffrn_reflns_theta_full        26.22
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.57
_diffrn_standards_decay_%        0.0
_diffrn_standards_interval_time  540
_diffrn_standards_number         378
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.9688
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     462
_refine_ls_number_reflns         8116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0433
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0718P)^2^+0.8553P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1174
_refine_ls_wR_factor_ref         0.1242
_reflns_number_gt                6892
_reflns_number_total             8116
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja058398ssi20051211_114325.cif
_cod_data_source_block           wadaf
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_sg_symbol_H-M      P2(1)/n
_cod_database_code               4101470