Enantiomorphic Helical Coordination Polymers of {[M(pyrimidine)(OH2)4][SiF6]·H2O}∞(M = Co2+, Cu2+, Zn2+)
Cordes, David, B.; Rogers, Robin D.; Crystal Growth & Design 7 (2007) 1943–; doi:10.1021/cg070462p

data_4504392
_publ_section_title
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 Enantiomorphic Helical Coordination Polymers of
 {[M(pyrimidine)(OH2)4][SiF6]&#x00B7;H2O}\\infty (M = Co2+, Cu2+, Zn2+)
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_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1943
_journal_paper_doi               10.1021/cg070462p
_journal_volume                  7
_journal_year                    2007
_chemical_formula_moiety         'C4 H4 Co N2 O4, Si F6, O'
_chemical_formula_sum            'C4 H4 Co F6 N2 O5 Si'
_chemical_formula_weight         361.11
_chemical_name_common            'Co-pyrimidine helix'
_chemical_name_systematic
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 ? 
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_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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            8
_cell_length_a                   11.0983(7)
_cell_length_b                   11.0983(7)
_cell_length_c                   19.6865(19)
_cell_measurement_reflns_used    2554
_cell_measurement_temperature    173(2)
_cell_volume                     2424.8(3)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens SHELXTL'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.1337
_diffrn_reflns_av_sigmaI/netI    0.0848
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10807
_diffrn_reflns_theta_full        23.33
_diffrn_reflns_theta_max         23.33
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    1.610
_exptl_absorpt_correction_T_max  0.87885
_exptl_absorpt_correction_T_min  0.57567
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2002)'
_exptl_crystal_colour            yellow-orange
_exptl_crystal_density_diffrn    1.978
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.466
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.166
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(8)
_refine_ls_extinction_coef       0.0086(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         1761
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.1107
_refine_ls_R_factor_gt           0.0854
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     '0.1155, 12.1904'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2103
_refine_ls_wR_factor_ref         0.2233
_reflns_number_gt                1335
_reflns_number_total             1761
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg070462p-file003.cif
_cod_data_source_block           kms63
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
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_cod_database_code               4504392