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_4302550
_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         'C92 H92 Cl4 Cu6 N16 O39 P4'
_chemical_formula_sum            'C92 H92 Cl4 Cu6 N16 O39 P4'
_chemical_formula_weight         2692.74
_chemical_melting_point          285
_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                93.134(5)
_cell_angle_beta                 97.002(5)
_cell_angle_gamma                97.235(5)
_cell_formula_units_Z            2
_cell_length_a                   12.979(5)
_cell_length_b                   18.441(5)
_cell_length_c                   23.548(5)
_cell_measurement_reflns_used    1744
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.17
_cell_measurement_theta_min      2.43
_cell_volume                     5535(3)
_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 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0717
_diffrn_reflns_av_sigmaI/netI    0.1785
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31544
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    1.378
_exptl_absorpt_correction_T_max  0.9293
_exptl_absorpt_correction_T_min  0.8791
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.616
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2740
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.401
_refine_diff_density_min         -0.797
_refine_diff_density_rms         0.181
_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     1471
_refine_ls_number_reflns         21350
_refine_ls_number_restraints     92
_refine_ls_restrained_S_all      0.951
_refine_ls_R_factor_all          0.1621
_refine_ls_R_factor_gt           0.0841
_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^)+(0.1094P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1902
_refine_ls_wR_factor_ref         0.2464
_reflns_number_gt                10726
_reflns_number_total             21350
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900522u_si_001_5.cif
_cod_data_source_block           Complex-6
_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.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to
'constr' 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               4302550