Cyclo- and Carbophosphazene-Supported Ligands for the Assembly of Heterometallic (Cu2+/Ca2+, Cu2+/Dy3+, Cu2+/Tb3+) Complexes: Synthesis, Structure, and Magnetism
Vadapalli Chandrasekhar; Tapas Senapati; Atanu Dey; Sourav Das; Marguerite Kalisz; Rodolphe Clérac; Inorganic Chemistry 51 (2012) 2031–2038; doi:10.1021/ic201463g

data_4328299
_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
;
 Cyclo- and Carbophosphazene-Supported Ligands for the Assembly of
 Heterometallic (Cu2+/Ca2+, Cu2+/Dy3+, Cu2+/Tb3+) Complexes: Synthesis,
 Structure, and Magnetism
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2031
_journal_page_last               2038
_journal_paper_doi               10.1021/ic201463g
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C48 H68 Ca2 Cu2 N22 O22 P2, 4(O)'
_chemical_formula_sum            'C48 H68 Ca2 Cu2 N22 O26 P2'
_chemical_formula_weight         1638.42
_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                106.471(5)
_cell_angle_beta                 105.804(5)
_cell_angle_gamma                102.044(5)
_cell_formula_units_Z            1
_cell_length_a                   10.130(5)
_cell_length_b                   13.630(5)
_cell_length_c                   14.017(5)
_cell_measurement_reflns_used    2732
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.02
_cell_measurement_theta_min      2.20
_cell_volume                     1697.9(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      100(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0615
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9446
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.921
_exptl_absorpt_correction_T_max  0.9317
_exptl_absorpt_correction_T_min  0.8395
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.602
_exptl_crystal_description       block
_exptl_crystal_F_000             846
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.087
_refine_diff_density_min         -0.729
_refine_diff_density_rms         0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         6490
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0814
_refine_ls_R_factor_gt           0.0609
_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^)+(0.1316P)^2^+1.2783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1672
_refine_ls_wR_factor_ref         0.2126
_reflns_number_gt                5030
_reflns_number_total             6490
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201463g_si_001_4.cif
_cod_data_source_block           Compound_5
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4328299