Synthesis, structure, magnetism and nuclease activity of tetranuclear copper(ii) phosphonates containing ancillary 2,2′-bipyridine or 1,10-phenanthroline ligands
Chandrasekhar, Vadapalli; Azhakar, Ramachandran; Senapati, Tapas; Thilagar, Pakkirisamy; Ghosh, Surajit; Verma, Sandeep; Boomishankar, Ramamoorthy; Steiner, Alexander; Kögerler, Paul; Dalton Transactions  (2008) 1150–1160; doi:10.1039/b712876b

data_7003126
_publ_section_title
;
 Synthesis, structure, magnetism and nuclease activity of tetranuclear
 copper(ii) phosphonates containing ancillary 2,2&#x2032;-bipyridine or
 1,10-phenanthroline ligands
;
_journal_issue                   9
_journal_name_full               'Dalton Transactions'
_journal_page_first              1150
_journal_page_last               1160
_journal_paper_doi               10.1039/b712876b
_journal_year                    2008
_chemical_formula_sum            'C60 H65 Cu4 N11 O21 P2'
_chemical_formula_weight         1592.33
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 106.76(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.125(5)
_cell_length_b                   15.624(2)
_cell_length_c                   18.860(4)
_cell_measurement_temperature    213(2)
_cell_volume                     6807(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'STOE IPDS'
_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  0.0702
_diffrn_reflns_av_sigmaI/netI    0.0678
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15756
_diffrn_reflns_theta_full        22.49
_diffrn_reflns_theta_max         22.49
_diffrn_reflns_theta_min         4.10
_exptl_absorpt_coefficient_mu    1.361
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.554
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelopiped
_exptl_crystal_F_000             3264
_exptl_crystal_size_max          .1
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.656
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.921
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     507
_refine_ls_number_reflns         4429
_refine_ls_number_restraints     190
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0695
_refine_ls_R_factor_gt           0.0471
_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^)+(0.0918P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1243
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                3093
_reflns_number_total             4429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b712876b.txt
_cod_data_source_block           compound4
_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      C2/c
_cod_database_code               7003126