Lanthanide Metallocene Complexes of the 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidinato Ligand, (hpp)1-
William J. Evans; Elizabeth Montalvo; Dustin J. Dixon; Joseph W. Ziller; Antonio G. DiPasquale; Arnold L. Rheingold; Inorganic Chemistry 47 (2008) 11376–11381; doi:10.1021/ic801029v

data_4306107
_publ_section_title
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Lanthanide Metallocene Complexes of the
1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidinato Ligand, (hpp)1-
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11376
_journal_page_last               11381
_journal_paper_doi               10.1021/ic801029v
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C27 H42 Ce N2'
_chemical_formula_weight         548.76
_chemical_name_common            EM10
_chemical_name_systematic
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 ?
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_space_group.centring_type       P
_space_group_IT_number           14
_space_group.IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.754(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.874(5)
_cell_length_b                   8.4450(15)
_cell_length_c                   25.131(5)
_cell_measurement_reflns_used    9321
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.19
_cell_measurement_theta_min      2.34
_cell_volume                     5276.6(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.938
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_refln_scan_rate          5
_diffrn_refln_scan_width         0.3
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            61598
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    1.743
_exptl_absorpt_correction_T_max  0.8450
_exptl_absorpt_correction_T_min  0.6698
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             2264
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.476
_refine_diff_density_min         -0.906
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     579
_refine_ls_number_reflns         12280
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0397
_refine_ls_R_factor_gt           0.0346
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0421P)^2^+11.4681P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0859
_reflns_number_gt                10979
_reflns_number_total             12280
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801029v_si_001_2.cif
_cod_data_source_block           uci03
_cod_depositor_comments
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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 

The following automatic conversions were performed:

'_space_group.centring_type' value 'primitive' was replaced with the
value 'P' as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5642 2017-10-24 12:04:52Z antanas 
;
_cod_database_code               4306107