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_7052591
_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            'C42 H48 K N3 O17'
_chemical_formula_weight         905.93
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.967(4)
_cell_angle_beta                 108.561(4)
_cell_angle_gamma                105.014(4)
_cell_formula_units_Z            2
_cell_length_a                   12.3927(10)
_cell_length_b                   13.7956(11)
_cell_length_c                   14.7748(12)
_cell_measurement_reflns_used    863
_cell_measurement_temperature    120.0(2)
_cell_measurement_theta_max      25.526
_cell_measurement_theta_min      2.572
_cell_volume                     2146.7(3)
_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 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'Bruker SMART-1K'
_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  0.0708
_diffrn_reflns_av_sigmaI/netI    0.2052
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15990
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.888
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     599
_refine_ls_number_reflns         10796
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.2583
_refine_ls_R_factor_gt           0.1104
_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^)+(0.1133P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2224
_refine_ls_wR_factor_ref         0.2690
_reflns_number_gt                4212
_reflns_number_total             10796
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0NJ00780C.TXT
_cod_data_source_block           1b+K
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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      P-1
_cod_database_code               7052591