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_7021021
_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         'C16 H16 Cl Cu2 N6 O4'
_chemical_formula_sum            'C16 H16 Cl Cu2 N6 O4'
_chemical_formula_weight         518.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 115.142(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.978(10)
_cell_length_b                   5.116(3)
_cell_length_c                   22.301(13)
_cell_measurement_reflns_used    3831
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     1856.8(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120.1
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0438
_diffrn_reflns_av_sigmaI/netI    0.0472
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13451
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.45
_exptl_absorpt_coefficient_mu    2.473
_exptl_absorpt_correction_T_max  0.884
_exptl_absorpt_correction_T_min  0.773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.856
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1044
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.106
_refine_diff_density_min         -0.559
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         4245
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0827
_refine_ls_R_factor_gt           0.0514
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+4.4307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1135
_reflns_number_gt                3155
_reflns_number_total             4245
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2dt32649c.txt
_cod_data_source_block           {[Cu2(bptz-)(C2H4)2]ClO4}2
_cod_original_cell_volume        1856.7(18)
_cod_database_code               7021021