Structural diversity among copper(i) ethylene adducts of 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine.
Maekawa, Masahiko; Miyazaki, Takeshi; Sugimoto, Kunihisa; Okubo, Takashi; Kuroda-Sowa, Takayoshi; Munakata, Megumu; Kitagawa, Susumu; Dalton transactions (Cambridge, England : 2003) 42 (2013) 4258–4266; doi:10.1039/c2dt32649c

data_7021024
_publ_section_title
;
 Structural diversity among copper(i) ethylene adducts of
 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4258
_journal_page_last               4266
_journal_paper_doi               10.1039/c2dt32649c
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C18 H20 Cl2 Cu2 N4 O8'
_chemical_formula_sum            'C18 H20 Cl2 Cu2 N4 O8'
_chemical_formula_weight         618.36
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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                 117.066(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.530(16)
_cell_length_b                   8.579(5)
_cell_length_c                   12.689(9)
_cell_measurement_reflns_used    2322
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.2
_cell_volume                     2281(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'Mercury CSD 3.0'
_computing_publication_material  'WinGX 1.8'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0538
_diffrn_reflns_av_sigmaI/netI    0.0662
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7947
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.23
_exptl_absorpt_coefficient_mu    2.152
_exptl_absorpt_correction_T_max  0.9000
_exptl_absorpt_correction_T_min  0.8135
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.801
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chip
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.790
_refine_diff_density_min         -0.990
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         2620
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0993
_refine_ls_R_factor_gt           0.0679
_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^)+(0.0371P)^2^+14.3106P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1166
_refine_ls_wR_factor_ref         0.1265
_reflns_number_gt                2036
_reflns_number_total             2620
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2dt32649c.txt
_cod_data_source_block           '[Cu2(bpdpyz)(C2H4)2](ClO4)2'
_cod_database_code               7021024