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_7005484
_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_moiety         'C14 H14 Hg2 N8 S4 Se'
_chemical_formula_sum            'C14 H14 Hg2 N8 S4 Se'
_chemical_formula_weight         902.71
_chemical_name_common
;
catena-((mu-trans-bis(3,5-dimethyl-1H-pyrazolyl)selenide)bis
(thiocyanato)mercury(ii)) hexakix(bis)mercurate(ii)
;
_chemical_name_systematic
;
catena-{[mu-trans-bis(3,5-dimethyl-1H-pyrazolyl)selenide]bis
[thiocyanato]mercury(II)} hexakix(bis)mercurate(II)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                110.626(6)
_cell_angle_beta                 97.843(3)
_cell_angle_gamma                91.907(4)
_cell_formula_units_Z            2
_cell_length_a                   9.3331(3)
_cell_length_b                   10.4321(8)
_cell_length_c                   12.8190(9)
_cell_measurement_reflns_used    5225
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1152.71(13)
_computing_cell_refinement       'EvalCCD (Duisenberg, 1998-2003)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg, 1998-2003)'
_computing_molecular_graphics    'Diamond v.3.1d (Crystal Impact GbR, 2006)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23114
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    15.262
_exptl_absorpt_correction_T_max  0.1861
_exptl_absorpt_correction_T_min  0.1160
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v.2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.601
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.640
_refine_diff_density_min         -1.063
_refine_diff_density_rms         0.140
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         5289
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0316
_refine_ls_R_factor_gt           0.0201
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0169P)^2^+0.3972P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0367
_refine_ls_wR_factor_ref         0.0390
_reflns_number_gt                4479
_reflns_number_total             5289
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702574b.txt
_cod_data_source_block           2
_cod_database_code               7005484