Temperature-induced one-dimensional chiral Ag(i) linear chains and left-handed 21helices: DFT studies, luminescence and SHG response
Cheng, Lin; Wang, Jun; Qi, Qi; Zhang, Xiuying; Yu, Haiyan; Gou, Shaohua; Fang, Lei; CrystEngComm 16 (2014) 10056–; doi:10.1039/C4CE01601G

data_7218088
_publ_section_title
;
 Temperature-induced one-dimensional chiral Ag(i) linear chains and
 left-handed 21helices: DFT studies, luminescence and SHG response
;
_journal_issue                   43
_journal_name_full               CrystEngComm
_journal_page_first              10056
_journal_paper_doi               10.1039/C4CE01601G
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C32 H34 Ag N5 O6, C H4 O'
_chemical_formula_sum            'C33 H38 Ag N5 O7'
_chemical_formula_weight         724.55
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           1
_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                84.680(3)
_cell_angle_beta                 83.399(3)
_cell_angle_gamma                66.850(3)
_cell_formula_units_Z            1
_cell_length_a                   9.0885(19)
_cell_length_b                   10.008(2)
_cell_length_c                   10.316(2)
_cell_measurement_reflns_used    890
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.42
_cell_volume                     855.9(3)
_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 0.970
_diffrn_measured_fraction_theta_max 0.970
_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  0.0389
_diffrn_reflns_av_sigmaI/netI    0.0998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6000
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.641
_exptl_absorpt_correction_T_max  0.8878
_exptl_absorpt_correction_T_min  0.8561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             374
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         1.967
_refine_diff_density_min         -1.040
_refine_diff_density_rms         0.142
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         4877
_refine_ls_number_restraints     45
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0923
_refine_ls_R_factor_gt           0.0841
_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^)+(0.0108P)^2^+8.6000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1743
_refine_ls_wR_factor_ref         0.1811
_reflns_number_gt                4392
_reflns_number_total             4877
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01601g2.cif
_cod_data_source_block           1a
_cod_depositor_comments
'Adding full bibliography for 7218088--7218091.cif.'
_cod_original_cell_volume        855.8(3)
_cod_original_sg_symbol_Hall     P1
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7218088