Syntheses and Crystal Structures of Copper(II) Coordination Polymers Comprising Discrete Helical Chains
Wang, Ruihu; Zhou, Youfu; Sun, Yanqiong; Yuan, Daqiang; Han, Lei; Lou, Benyong; Wu, Benlai; Hong, Maochun; Crystal Growth & Design 5 (2005) 251–; doi:10.1021/cg034237t

data_4504855
_publ_section_title
;
 Syntheses and Crystal Structures of Copper(II) Coordination Polymers
 Comprising Discrete Helical Chains
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              251
_journal_paper_doi               10.1021/cg034237t
_journal_volume                  5
_journal_year                    2005
_chemical_formula_sum            'C26 H18 Cu N2 O4'
_chemical_formula_weight         485.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                90.00
_cell_angle_beta                 125.849(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.073(2)
_cell_length_b                   15.3244(16)
_cell_length_c                   16.0220(16)
_cell_measurement_temperature    293(2)
_cell_volume                     4392.9(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0598
_diffrn_reflns_av_sigmaI/netI    0.0897
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6599
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.031
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1992
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.599
_refine_diff_density_min         -0.443
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.244
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.244
_refine_ls_R_factor_all          0.1516
_refine_ls_R_factor_gt           0.0948
_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^)+(0.0000P)^2^+50.9023P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1538
_refine_ls_wR_factor_ref         0.1788
_reflns_number_gt                2586
_reflns_number_total             3830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg034237tsi20031130_075913.cif
_cod_data_source_block           w
_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_sg_symbol_H-M      C2/c
_cod_database_code               4504855