Synthesis and structures of helical and meso-helical coordination polymers directed by the conformation restriction of flexible/angular pyridine-containing ligands
Wang, Xiu-Jian; Huang, Ting-Hong; Tang, Lin-Hua; Cen, Zhong-Min; Ni, Qing-Ling; Gui, Liu-Cheng; Jiang, Xuan-Feng; Liu, Hong-Ke; CrystEngComm 12 (2010) 4356–; doi:10.1039/c0ce00110d

data_7212795
_publ_section_title
;
 Synthesis and structures of helical and meso-helical coordination
 polymers directed by the conformation restriction of flexible/angular
 pyridine-containing ligands
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              4356
_journal_paper_doi               10.1039/c0ce00110d
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C50 H42 Hg3 I6 N6 O8, 3(O)'
_chemical_formula_sum            'C50 H42 Hg3 I6 N6 O11'
_chemical_formula_weight         2266.07
_chemical_name_systematic
;
?
;
_space_group_IT_number           57
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5483(2)
_cell_length_b                   36.1989(11)
_cell_length_c                   22.7980(5)
_cell_measurement_temperature    293(2)
_cell_volume                     6229.3(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0948
_diffrn_reflns_av_sigmaI/netI    0.0702
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       43
_diffrn_reflns_limit_k_min       -43
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            31846
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    10.406
_exptl_absorpt_correction_T_max  0.756
_exptl_absorpt_correction_T_min  0.402
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             4120
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.457
_refine_diff_density_min         -1.963
_refine_diff_density_rms         0.307
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         5525
_refine_ls_number_restraints     101
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0599
_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^)+(0.0385P)^2^+188.9459P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1353
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                4530
_reflns_number_total             5525
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00110d.txt
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'ORTHORHOMBIC' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               7212795