X-ray Diffraction and 1H NMR in Solution: Structural Determination of Lanthanide Complexes of a Py2N6Ac4 Ligand
L. Valencia; J. Martinez; A. Macías; R. Bastida; R. A. Carvalho; C. F. G. C. Geraldes; Inorganic Chemistry 41 (2002) 5300–5312; doi:10.1021/ic0257017

data_4318609
_publ_section_title
;
 X-ray Diffraction and 1H NMR in Solution: Structural Determination of
 Lanthanide Complexes of a Py2N6Ac4 Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5300
_journal_page_last               5312
_journal_paper_doi               10.1021/ic0257017
_journal_volume                  41
_journal_year                    2002
_chemical_formula_moiety         '[LuHL].3H2O'
_chemical_formula_sum            'C26 H30 Lu N6 O11'
_chemical_formula_weight         777.53
_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                 90.058(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   37.528(4)
_cell_length_b                   11.0481(12)
_cell_length_c                   14.6051(15)
_cell_measurement_temperature    293(2)
_cell_volume                     6055.5(11)
_computing_cell_refinement       'BRUKER Smart'
_computing_data_collection       'BRUKER Smart'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  Smart-CCD-1000
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0298
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       57
_diffrn_reflns_limit_h_min       -57
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            47679
_diffrn_reflns_theta_full        33.16
_diffrn_reflns_theta_max         33.16
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    3.328
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.764776
_exptl_absorpt_correction_type   'empirical(Sadabs, Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.706
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3096
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.56
_exptl_crystal_size_min          0.47
_refine_diff_density_max         1.206
_refine_diff_density_min         -1.264
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         11514
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0258
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0319P)^2^+7.6817P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0638
_refine_ls_wR_factor_ref         0.0730
_reflns_number_gt                8681
_reflns_number_total             11514
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0257017_s10.cif
_cod_data_source_block           laura
_cod_original_cell_volume        6055.4(11)
_cod_database_code               4318609