Cobalt(ii)‒pyrazine‒chloride coordination polymers: synthesis, reactivity and magnetic properties
de Campos, Elvio Antonio; Silva, Nuno J. O.; Shi, Fa-Nian; Rocha, João; CrystEngComm 16 (2014) 10439–; doi:10.1039/C4CE01413H

data_7218184
_publ_section_title
;
 Cobalt(ii)--pyrazine--chloride coordination polymers: synthesis,
 reactivity and magnetic properties
;
_journal_issue                   45
_journal_name_full               CrystEngComm
_journal_page_first              10439
_journal_paper_doi               10.1039/C4CE01413H
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C8 H8 Cl2 Co N4'
_chemical_formula_weight         290.01
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_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            2
_cell_length_a                   7.1489(6)
_cell_length_b                   7.1489(6)
_cell_length_c                   10.6653(17)
_cell_measurement_reflns_used    1919
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      33.46
_cell_measurement_theta_min      3.43
_cell_volume                     545.07(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0747
_diffrn_reflns_av_sigmaI/netI    0.0546
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5529
_diffrn_reflns_theta_full        35.83
_diffrn_reflns_theta_max         35.83
_diffrn_reflns_theta_min         3.43
_exptl_absorpt_coefficient_mu    2.033
_exptl_absorpt_correction_T_max  0.9605
_exptl_absorpt_correction_T_min  0.5998
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.767
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             290
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.120
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.117
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.47(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     54
_refine_ls_number_reflns         1266
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0341P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0763
_refine_ls_wR_factor_ref         0.0832
_reflns_number_gt                1016
_reflns_number_total             1266
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01413h2.cif
_cod_data_source_block           i-4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7218183--7218185.cif.
;
_cod_original_sg_symbol_H-M      I-4
_cod_database_code               7218184