Syntheses and characterization of Co2(4,4'-bipy)2(V4O12), Co(pz)(VO3)2 and Co2(2-pzc)(H2O)(VO3)3 (4,4'-bipy = 4,4'-bipyridine, pz = pyrazine, 2-pzc = 2-pyrazinecarboxylate)
Zheng, Li-Min; Wang, Xiqu; Wang, Yongsheng; Jacobson, Allan J.; Journal of Materials Chemistry 11 (2001) 1100–; doi:10.1039/b009091n

data_7204945
_publ_section_title
;
 Syntheses and characterization of Co2(4,4'-bipy)2(V4O12), Co(pz)(VO3)2
 and Co2(2-pzc)(H2O)(VO3)3 (4,4'-bipy = 4,4'-bipyridine, pz = pyrazine,
 2-pzc = 2-pyrazinecarboxylate)
;
_journal_issue                   4
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              1100
_journal_paper_doi               10.1039/b009091n
_journal_volume                  11
_journal_year                    2001
_chemical_formula_sum            'C4 H4 Co N2 O6 V2'
_chemical_formula_weight         336.90
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           52
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2793(8)
_cell_length_b                   11.5639(9)
_cell_length_c                   7.4822(6)
_cell_measurement_temperature    293(2)
_cell_volume                     889.40(12)
_computing_cell_refinement       'Bruker SAINT software (Bruker, 1999)'
_computing_data_collection       'Siemens SMART software (Siemens, 1996)'
_computing_data_reduction        'Bruker SAINT software (Bruker, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_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  0.0355
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4967
_diffrn_reflns_theta_max         28.62
_diffrn_reflns_theta_min         3.24
_exptl_absorpt_coefficient_mu    3.909
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    2.516
_exptl_crystal_description       needle
_exptl_crystal_F_000             652
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.364
_refine_diff_density_rms         0.098
_refine_ls_extinction_coef       0.0011(6)
_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_all   1.058
_refine_ls_goodness_of_fit_obs   1.085
_refine_ls_matrix_type           full
_refine_ls_number_parameters     77
_refine_ls_number_reflns         1072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_restrained_S_obs      1.085
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_obs          0.0273
_refine_ls_shift/esd_max         0.000
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0324P)^2^+0.6090P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0626
_refine_ls_wR_factor_obs         0.0596
_reflns_number_observed          934
_reflns_number_total             1072
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            b009091n.txt
_cod_data_source_block           Co(VO3)2(C4H4N2)_(74-7)
_cod_depositor_comments
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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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '
calc w=1/[\s^2^(Fo^2^)+(0.0324P)^2^+0.6090P] where
P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag
'_refine_ls_weighting_details' was created. The value of the new tag
was set to 'w=1/[\s^2^(Fo^2^)+(0.0324P)^2^+0.6090P] where
P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      Pnna
_cod_database_code               7204945