Effect of anion on Ag(i) meso-helical chains formed with 4,4′-dipyridyl ketone: solvent versus anion bridging and anion effects on the strength of ligand binding
Patil, Komal M.; Cameron, Scott A.; Moratti, Stephen C.; Hanton, Lyall R.; CrystEngComm 16 (2014) 4587–; doi:10.1039/c4ce00155a

data_7215194
_publ_section_title
;
 Effect of anion on Ag(i) meso-helical chains formed with
 4,4&#x2032;-dipyridyl ketone: solvent versus anion bridging and anion
 effects on the strength of ligand binding
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              4587
_journal_paper_doi               10.1039/c4ce00155a
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C28 H27 Ag2 Cl2 N7 O11'
_chemical_formula_weight         924.21
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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
_cell_angle_beta                 92.045(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5345(3)
_cell_length_b                   19.1191(10)
_cell_length_c                   23.0434(11)
_cell_measurement_reflns_used    9643
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.31
_cell_volume                     3317.4(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0411
_diffrn_reflns_av_sigmaI/netI    0.0328
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            39984
_diffrn_reflns_theta_full        25.51
_diffrn_reflns_theta_max         25.51
_diffrn_reflns_theta_min         1.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.412
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6359
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.85
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.002
_refine_diff_density_min         -0.661
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     460
_refine_ls_number_reflns         6105
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0371P)^2^+12.7661P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1094
_refine_ls_wR_factor_ref         0.1157
_reflns_number_gt                5056
_reflns_number_total             6105
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4ce00155a2.cif
_cod_data_source_block           Complex_3(kp03_49a)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7215192--7215200.cif.
;
_cod_original_cell_volume        3317.4(4)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7215194