Conformational supramolecular isomerism in one-dimensional silver(I) coordination polymer of a flexible bis(bidentate) N,N-donor ligand with p-xylyl spacer.
Chakraborty, Biswarup; Halder, Partha; Paine, Tapan Kanti; Dalton transactions (Cambridge, England : 2003) 40 (2011) 3647–3654; doi:10.1039/c0dt01429j

data_7015275
_publ_section_title
;
 Conformational supramolecular isomerism in one-dimensional silver(I)
 coordination polymer of a flexible bis(bidentate) N,N-donor ligand
 with p-xylyl spacer.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3647
_journal_page_last               3654
_journal_paper_doi               10.1039/c0dt01429j
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         C20H18AgN4,ClO4
_chemical_formula_sum            'C20 H18 Ag Cl N4 O4'
_chemical_formula_weight         521.70
_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                 126.4250(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.7975(10)
_cell_length_b                   13.0420(7)
_cell_length_c                   12.8957(13)
_cell_measurement_reflns_used    8004
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.33
_cell_measurement_theta_min      2.24
_cell_volume                     2408.5(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Mercury 2.3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       Phi-Scan
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0150
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13879
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.978
_exptl_absorpt_correction_T_max  0.9619
_exptl_absorpt_correction_T_min  0.9259
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.439
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_platon_squeeze_details
;
The unit cell contains two dichloromethane
molecules which have been treated as a diffuse
contribution to the overall scattering without
specific atom positions by SQUEEZE/PLATON.
;
_refine_diff_density_max         1.312
_refine_diff_density_min         -1.065
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.243
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2132
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.243
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0636
_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^)+(0.0773P)^2^+30.0606P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1897
_refine_ls_wR_factor_ref         0.1907
_reflns_number_gt                2055
_reflns_number_total             2132
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01429j.txt
_cod_data_source_block           bc100_14p
_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.

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed
to 'multi-scan' 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               7015275