Controlled self-assembly of bis(crown)stilbenes into unusual bis-sandwich complexes: structure and stereoselective [2+2] photocycloaddition
Gromov, Sergey P.; Vedernikov, Artem I.; Lobova, Natalia A.; Kuz'mina, Lyudmila G.; Basok, Stepan S.; Strelenko, Yuri A.; Alfimov, Michael V.; Howard, Judith A. K.; New Journal of Chemistry 35 (2011) 724–; doi:10.1039/c0nj00780c

data_7052596
_publ_section_title
;
 Controlled self-assembly of bis(crown)stilbenes into unusual
 bis-sandwich complexes: structure and stereoselective [2+2]
 photocycloaddition
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              724
_journal_paper_doi               10.1039/c0nj00780c
_journal_volume                  35
_journal_year                    2011
_chemical_formula_sum            'C72 H100 Cl2 K2 O32'
_chemical_formula_weight         1626.62
_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                 103.011(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.9879(9)
_cell_length_b                   26.9584(19)
_cell_length_c                   21.0031(15)
_cell_measurement_reflns_used    2348
_cell_measurement_temperature    120.0(2)
_cell_measurement_theta_max      27.142
_cell_measurement_theta_min      2.329
_cell_volume                     7716.8(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120.0(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART-6K'
_diffrn_measurement_method       /W
_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  0.1790
_diffrn_reflns_av_sigmaI/netI    0.1732
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            43634
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.279
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.400
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3440
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.388
_refine_diff_density_min         -0.549
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     501
_refine_ls_number_reflns         10251
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.2154
_refine_ls_R_factor_gt           0.1020
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1360P)^2^+11.4871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2778
_refine_ls_wR_factor_ref         0.3110
_reflns_number_gt                4619
_reflns_number_total             10251
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0NJ00780C.TXT
_cod_data_source_block           4b+K
_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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7052596