A novel nonlinear optically active tubular coordination network based on two distinct homo-chiral helices
Han, Lei; Hong, Maochun; Wang, Ruihu; Luo, Junhua; Lin, Zhengzhong; Yuan, Daqiang; Chemical Communications (Cambridge, United Kingdom)  (2003) 2580–2581; doi:10.1039/b308007b

data_7104847
_publ_section_title
;
 A novel nonlinear optically active tubular coordination network based on
 two distinct homo-chiral helices
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   20
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2580
_journal_page_last               2581
_journal_paper_doi               10.1039/b308007b
_journal_year                    2003
_chemical_formula_sum            'C13 H11 N O3 S Zn'
_chemical_formula_weight         326.66
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 112.091(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.9901(12)
_cell_length_b                   5.8238(7)
_cell_length_c                   12.5648(13)
_cell_measurement_reflns_used    48
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.08
_cell_measurement_theta_min      1.75
_cell_volume                     745.16(14)
_computing_cell_refinement       'Smart and Saznt (Siemens, 1994)'
_computing_data_collection       'Smart (Siemens, 1994)'
_computing_data_reduction        'SHELXTL (Sheldrick, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Smart CCD'
_diffrn_measurement_method       '\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  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0373
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2410
_diffrn_reflns_theta_full        25.08
_diffrn_reflns_theta_max         25.08
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.789
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  .6805
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.024
_refine_diff_density_min         -0.622
_refine_diff_density_rms         0.192
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.207
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2026
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.207
_refine_ls_R_factor_gt           0.0551
_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^)+(0.1050P)^2^+1.4653P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1668
_refine_ls_wR_factor_ref         0.1815
_reflns_number_gt                1888
_reflns_number_total             2026
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b308007b.txt
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7104847
_refine_ls_r_factor_ref          0.0632