Disilver(I) Rectangular-Shaped Metallacycles: X-ray Crystal Structure and Dynamic Behavior in Solution
Chun-Long Chen; Hai-Yan Tan; Jun-Hua Yao; Yi-Qian Wan; Cheng-Yong Su; Inorganic Chemistry 44 (2005) 8510–8520; doi:10.1021/ic050673o

data_4309940
_publ_section_title
;
Disilver(I) Rectangular-Shaped Metallacycles: X-ray Crystal Structure and
Dynamic Behavior in Solution
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8510
_journal_page_last               8520
_journal_paper_doi               10.1021/ic050673o
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C28 H28 Ag2 Cl2 N8 O8'
_chemical_formula_weight         891.22
_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                99.007(3)
_cell_angle_beta                 92.494(4)
_cell_angle_gamma                110.729(4)
_cell_formula_units_Z            1
_cell_length_a                   8.184(2)
_cell_length_b                   8.478(2)
_cell_length_c                   12.504(3)
_cell_measurement_temperature    298(2)
_cell_volume                     796.8(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_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  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0555
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4667
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    1.460
_exptl_absorpt_correction_T_max  0.9175
_exptl_absorpt_correction_T_min  0.6685
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.857
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.646
_refine_diff_density_min         -0.500
_refine_diff_density_rms         0.109
_refine_ls_extinction_coef       0.0043(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0490P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1076
_reflns_number_gt                2097
_reflns_number_total             3183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050673osi20050430_075320_1.cif
_cod_data_source_block           1
_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 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        796.8(4)
_cod_database_code               4309940