Four new dinuclear Cu(ii) hydrazone complexes using various organic spacers: syntheses, crystal structures, DNA binding and cleavage studies and selective cell inhibitory effect towards leukemic and normal lymphocytes
Banerjee, Sambuddha; Mondal, Susmita; Sen, Soma; Das, Saurabh; Hughes, David L.; Rizzoli, Corrado; Desplanches, Cédric; Mandal, Chitra; Mitra, Samiran; Dalton Transactions  (2009) 6849–6860; doi:10.1039/b903072g

data_7001923
_publ_section_title
;
 Four new dinuclear Cu(ii) hydrazone complexes using various organic
 spacers: syntheses, crystal structures, DNA binding and cleavage
 studies and selective cell inhibitory effect towards leukemic and
 normal lymphocytes
;
_journal_issue                   34
_journal_name_full               'Dalton Transactions'
_journal_page_first              6849
_journal_page_last               6860
_journal_paper_doi               10.1039/b903072g
_journal_year                    2009
_chemical_formula_moiety         'C30 H28 Cu2 N8 O4, 2(Cl O4)'
_chemical_formula_structural     '[Cu(L)(OH2)}2(mu-pyrazine)].2(ClO4)'
_chemical_formula_sum            'C30 H28 Cl2 Cu2 N8 O12'
_chemical_formula_weight         890.6
_chemical_name_common            'Compound 1'
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-97 and CrysAlis RED'
_cell_angle_alpha                90.00
_cell_angle_beta                 95.719(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.141(2)
_cell_length_b                   12.2329(17)
_cell_length_c                   17.302(3)
_cell_measurement_temperature    140(1)
_cell_volume                     1714.5(6)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd., Version 1.171.28c4 beta
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta
;
_computing_molecular_graphics    'ORTEP (Johnson, 1971)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      140(1)
_diffrn_detector_area_resol_mean 16.0050
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       'Thin slice \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0692
_diffrn_reflns_av_sigmaI/netI    0.0409
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19745
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.68
_exptl_absorpt_coefficient_mu    1.473
_exptl_absorpt_correction_T_max  1.164
_exptl_absorpt_correction_T_min  0.756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.28c4 beta
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'very dark'
_exptl_crystal_density_diffrn    1.725
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.622
_refine_diff_density_min         -1.078
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         3824
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0560P)^2^+2.3031P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1131
_reflns_number_gt                3146
_reflns_number_total             3824
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b903072g.txt
_cod_data_source_block           Complex1
_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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7001923