Tri-, Tetra-, and Hexanuclear Copper(II) Phosphonates Containing N-Donor Chelating Ligands: Synthesis, Structure, Magnetic Properties, and Nuclease Activity
Vadapalli Chandrasekhar; Tapas Senapati; E. Carolina Sañudo; R. Clérac; Inorganic Chemistry 48 (2009) 6192–6204; doi:10.1021/ic900522u

data_4302547
_publ_contact_author_address
;Head, Department of Chemistry
Indian Institute of Technology Kanpur
Kanpur 208016
Uttarpradesh
India
;
_publ_contact_author_email       vc@iitk.ac.in
_publ_contact_author_fax         '+91-512-259 7436'
_publ_contact_author_name        'Prof. V. Chandrasekhar'
_publ_contact_author_phone       '+91-512-259 7259'
_publ_section_title
;
Tri-, Tetra-, and Hexanuclear Copper(II) Phosphonates Containing N-Donor
Chelating Ligands: Synthesis, Structure, Magnetic Properties, and Nuclease
Activity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6192
_journal_page_last               6204
_journal_paper_doi               10.1021/ic900522u
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C50 H54 Cl2 Cu4 N12 O6 P2, 4(CH4O), 2(Cl)'
_chemical_formula_sum            'C54 H70 Cl4 Cu4 N12 O10 P2'
_chemical_formula_weight         1505.12
_chemical_melting_point          280
_chemical_name_common            Copperphosphonate
_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                103.858(5)
_cell_angle_beta                 105.855(5)
_cell_angle_gamma                95.954(5)
_cell_formula_units_Z            1
_cell_length_a                   9.736(5)
_cell_length_b                   12.313(5)
_cell_length_c                   14.588(5)
_cell_measurement_reflns_used    948
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18.52
_cell_measurement_theta_min      2.26
_cell_volume                     1606.3(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0506
_diffrn_reflns_av_sigmaI/netI    0.1135
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9128
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    1.586
_exptl_absorpt_correction_T_max  0.8930
_exptl_absorpt_correction_T_min  0.7743
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.556
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             772
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.771
_refine_diff_density_min         -0.637
_refine_diff_density_rms         0.148
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     396
_refine_ls_number_reflns         6173
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.1196
_refine_ls_R_factor_gt           0.0751
_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^)+(0.1083P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1802
_refine_ls_wR_factor_ref         0.2142
_reflns_number_gt                3974
_reflns_number_total             6173
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900522u_si_001_2.cif
_cod_data_source_block           Complex-3
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4302547