Bis(3,5-dimethyl-1H-pyrazolyl)selenide‒a new bidentate bent connector for preparation of 1D and 2D co-ordination polymers.
Seredyuk, Maksym; Haukka, Matti; Fritsky, Igor O.; Kozłowski, Henryk; Krämer, Roland; Pavlenko, Vadim A.; Gütlich, Philipp; Dalton transactions (Cambridge, England : 2003)  (2007) 3183–3194; doi:10.1039/b702574b

data_7005486
_publ_section_title
;
 Bis(3,5-dimethyl-1H-pyrazolyl)selenide--a new bidentate bent connector
 for preparation of 1D and 2D co-ordination polymers.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3183
_journal_page_last               3194
_journal_paper_doi               10.1039/b702574b
_journal_year                    2007
_chemical_formula_sum            'C20 H30 Br2 Cu N8 O2 Se2'
_chemical_formula_weight         795.80
_chemical_name_common
;
(monoaqua-catena-((bis(mu-cis-bis(3,5-dimethyl-1H-
pyrazolyl)selenide)) copper(ii))) dibromide monohydrate
;
_chemical_name_systematic
;
[monoaqua-catena-{(bis[mu-cis-bis(3,5-dimethyl-1H-pyrazolyl)selenide])
copper(II)}] dibromide monohydrate
;
_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                 93.16(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.427(4)
_cell_length_b                   13.537(4)
_cell_length_c                   18.835(4)
_cell_measurement_temperature    120(2)
_cell_volume                     2909.1(15)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0954
_diffrn_reflns_av_sigmaI/netI    0.0859
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            9343
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.46
_diffrn_reflns_theta_min         3.12
_exptl_absorpt_coefficient_mu    6.032
_exptl_absorpt_correction_T_max  0.6555
_exptl_absorpt_correction_T_min  0.3502
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Xprep in Shelxtl v.6.14-1 (Sheldrick, 2005)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.817
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1556
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.887
_refine_diff_density_min         -1.096
_refine_diff_density_rms         0.205
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         3347
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0821P)^2^+2.9895P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1378
_refine_ls_wR_factor_ref         0.1459
_reflns_number_gt                2824
_reflns_number_total             3347
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702574b.txt
_cod_data_source_block           4
_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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7005486