Coordination frameworks constructed from bipyridyl piperazine and MCl2 (M = Co, Ni, Zn): structural characterization and optical properties.
Xu, Hong; Song, Yinglin; Mi, Liwei; Hou, Hongwei; Tang, Mingsheng; Sang, Yali; Fan, Yaoting; Pan, Yan; Dalton transactions (Cambridge, England : 2003)  (2006) 838–845; doi:10.1039/b508177g

data_7006355
_publ_section_title
;
 Coordination frameworks constructed from bipyridyl piperazine and MCl2
 (M = Co, Ni, Zn): structural characterization and optical properties.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              838
_journal_page_last               845
_journal_paper_doi               10.1039/b508177g
_journal_year                    2006
_chemical_formula_sum            'C16 H16 Cl2 N4 O2 Zn'
_chemical_formula_weight         432.60
_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                 106.62(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.925(5)
_cell_length_b                   6.3403(13)
_cell_length_c                   12.061(2)
_cell_measurement_reflns_used    310
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      25.1
_cell_measurement_theta_min      2
_cell_volume                     1753.1(7)
_computing_cell_refinement       raxis
_computing_data_collection       raxis
_computing_data_reduction        raxis
_computing_molecular_graphics    texsan
_computing_publication_material  texsan
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.893
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_device_type  R-AXIS-IV
_diffrn_measurement_method       'Oscillation frames'
_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  0.0298
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2392
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    1.723
_exptl_absorpt_correction_T_max  0.7467
_exptl_absorpt_correction_T_min  0.7244
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.639
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.370
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.061
_refine_ls_extinction_coef       0.0007(4)
_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   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1384
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0394
_refine_ls_R_factor_gt           0.0300
_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^)+(0.0371P)^2^+0.1465P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0634
_refine_ls_wR_factor_ref         0.0654
_reflns_number_gt                1273
_reflns_number_total             1384
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b508177g.txt
_cod_data_source_block           Complex_3_b
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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 
;
_cod_original_cell_volume        1753.1(6)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7006355