Synthesis and properties of five unexpected copper complexes with ring-cleavage of 3,6-di-2-pyridyl-1,2,4,5‒tetrazine by one pot in situ hydrothermal reaction
Cui, Jiehu; Huang, Liangfang; Lu, Zhenzhong; Li, Yizhi; Guo, Zijian; Zheng, Hegen; CrystEngComm 14 (2012) 2258–; doi:10.1039/c2ce05785a

data_7207392
_publ_section_title
;
 Synthesis and properties of five unexpected copper complexes with
 ring-cleavage of 3,6-di-2-pyridyl-1,2,4,5--tetrazine by one pot in situ
 hydrothermal reaction
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              2258
_journal_paper_doi               10.1039/c2ce05785a
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C20 H14 Cu2 N4 O7 '
_chemical_formula_sum            'C20 H14 Cu2 N4 O7'
_chemical_formula_weight         549.45
_chemical_name_systematic
;
?
;
_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                94.208(4)
_cell_angle_beta                 98.334(3)
_cell_angle_gamma                103.150(4)
_cell_formula_units_Z            2
_cell_length_a                   7.2659(14)
_cell_length_b                   9.9624(19)
_cell_length_c                   13.716(3)
_cell_measurement_reflns_used    1088
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.973
_cell_measurement_theta_min      2.729
_cell_volume                     950.8(3)
_computing_cell_refinement       'SMART (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SMART (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0947
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            4757
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    2.294
_exptl_absorpt_correction_T_max  0.618
_exptl_absorpt_correction_T_min  0.494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.919
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552.0
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.613
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.949
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3282
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.949
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0442
_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^)+(0.0002P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0692
_refine_ls_wR_factor_ref         0.0725
_reflns_number_gt                2270
_reflns_number_total             3345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce05785a.txt
_cod_data_source_block           qq
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        950.7(3)
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C20 H14 Cu2 N4 O7 '
_cod_database_code               7207392