Tunable Transannular Silver−Silver Interaction in Molecular Rectangles
Jung, Ok-Sang; Kim, Yun Ju; Lee, Young-A; Kang, Shin Won; Choi, Sung Nak; Crystal Growth & Design 4 (2004) 23–; doi:10.1021/cg0341048

data_4505265
_publ_section_title
;
 Tunable Transannular Silver&#x2212;Silver Interaction in Molecular
 Rectangles
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              23
_journal_paper_doi               10.1021/cg0341048
_journal_volume                  4
_journal_year                    2004
_chemical_formula_sum            'C28 H40 Ag2 N6 O8 Si4'
_chemical_formula_weight         916.76
_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                 128.902(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.894(2)
_cell_length_b                   14.2244(15)
_cell_length_c                   15.8191(18)
_cell_measurement_temperature    298(2)
_cell_volume                     3833.9(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0757
_diffrn_reflns_av_sigmaI/netI    0.0935
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12281
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    1.198
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.588
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.516
_refine_diff_density_min         -0.684
_refine_diff_density_rms         0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.973
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         4566
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.1388
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0631P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0962
_refine_ls_wR_factor_ref         0.1429
_reflns_number_gt                2154
_reflns_number_total             4566
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0341048si20030726_100740.cif
_cod_data_source_block           compound_1
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3834.0(7)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4505265