Unusual modification methods for the ureido ligand of lanthanocene derivatives.
Zhang, Jie; Cai, Ruifang; Weng, Linhong; Zhou, Xigeng; Dalton transactions (Cambridge, England : 2003)  (2006) 1168–1173; doi:10.1039/b512200g

data_7006607
_publ_section_title
;
 Unusual modification methods for the ureido ligand of lanthanocene
 derivatives.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1168
_journal_page_last               1173
_journal_paper_doi               10.1039/b512200g
_journal_year                    2006
_chemical_formula_sum            'C26 H30 Dy N3 O2'
_chemical_formula_weight         579.03
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
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_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                 114.590(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.841(2)
_cell_length_b                   7.9480(10)
_cell_length_c                   19.008(2)
_cell_measurement_temperature    293(2)
_cell_volume                     2450.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_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  '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  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9952
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.26
_exptl_absorpt_coefficient_mu    3.075
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1156
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.775
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4314
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0311
_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^)+(0.0308P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0638
_refine_ls_wR_factor_ref         0.0664
_reflns_number_gt                3744
_reflns_number_total             4314
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b512200g.txt
_cod_data_source_block           f30814a
_cod_original_cell_volume        2450.8(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7006607