Metal-directed one-dimensional chiral zigzag chains and right-handed 61 helix with multiple chiral components: luminescence and NLO properties
Cheng, Lin; Zhang, Limin; Gou, Shaohua; Cao, Qingna; Wang, Jianquan; Fang, Lei; CrystEngComm 14 (2012) 3888–; doi:10.1039/c2ce25043h

data_7207979
_publ_section_title
;
 Metal-directed one-dimensional chiral zigzag chains and right-handed 61
 helix with multiple chiral components: luminescence and NLO properties
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              3888
_journal_paper_doi               10.1039/c2ce25043h
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C19 H26 Ag N5 O4'
_chemical_formula_weight         496.32
_chemical_name_systematic
;
?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 90.773(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.419(3)
_cell_length_b                   14.427(3)
_cell_length_c                   10.793(2)
_cell_measurement_temperature    123(2)
_cell_volume                     2089.3(7)
_computing_cell_refinement       'SMART (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics
;
ORTEPIII (Burnett & Johnson, 1996); ORTEP-3 for Windows (Farrugia, 1997);
PLATON (Spek, 2009)
;
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w 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  0.0217
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7045
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    1.000
_exptl_absorpt_correction_T_max  0.8328
_exptl_absorpt_correction_T_min  0.7882
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.578
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.19
_refine_diff_density_max         1.088
_refine_diff_density_min         -1.162
_refine_diff_density_rms         0.120
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.17(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3757
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0470
_refine_ls_R_factor_gt           0.0457
_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^)+(0.0641P)^2^+8.2912P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1264
_reflns_number_gt                3627
_reflns_number_total             3757
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25043h.txt
_cod_data_source_block           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        2089.4(7)
_cod_original_sg_symbol_H-M      C2
_cod_database_code               7207979