Cerium(IV)-Lanthanide(III)-Pyridine-2,6-dicarboxylic Acid System: Coordination Salts, Chains, and Rings
T. K. Prasad; M. V. Rajasekharan; Inorganic Chemistry 48 (2009) 11543–11550; doi:10.1021/ic901066v

data_4303809
_publ_contact_author_address
;School of Chemistry,
University of Hyderabad,
Hyderabad-500046,
India.
;
_publ_contact_author_email       mvrsc@uohyd.ernet.in
_publ_contact_author_fax         +91-40-2301-2460
_publ_contact_author_name        'Rajasekharan, M. V.'
_publ_contact_author_phone       +91-40-2313-4857
_publ_section_title
;
Cerium(IV)-Lanthanide(III)-Pyridine-2,6-dicarboxylic Acid System:
Coordination Salts, Chains, and Rings
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11543
_journal_page_last               11550
_journal_paper_doi               10.1021/ic901066v
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C98 H86 Ce4 La4 N14 O78, 24(H2 O)'
_chemical_formula_sum            'C98 H134 Ce4 La4 N14 O102'
_chemical_formula_weight         4256.31
_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                106.6350(10)
_cell_angle_beta                 100.6060(10)
_cell_angle_gamma                100.7950(10)
_cell_formula_units_Z            1
_cell_length_a                   14.8714(9)
_cell_length_b                   15.1654(9)
_cell_length_c                   17.5244(11)
_cell_measurement_reflns_used    6183
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.11
_cell_measurement_theta_min      2.21
_cell_volume                     3599.3(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP3 for Windows Farrugia, L. J. (1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0509
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            42133
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    2.523
_exptl_absorpt_correction_T_max  0.777
_exptl_absorpt_correction_T_min  0.644
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.964
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rhombus
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.890
_refine_diff_density_min         -1.419
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1000
_refine_ls_number_reflns         16761
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0408P)^2^+6.3707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.0909
_reflns_number_gt                14048
_reflns_number_total             16761
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901066v_si_002_10.cif
_cod_data_source_block           9
_cod_database_code               4303809