Utility of the 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidinato Ligand, (hpp)−, in Stabilizing Uranium Metallocene Mono-Alkyl and “Tuck-in” Complexes
Montalvo, Elizabeth; Ziller, Joseph W.; DiPasquale, Antonio G.; Rheingold, Arnold L.; Evans, William J.; Organometallics 29 (2010) 2104–; doi:10.1021/om100076s

data_4065691
_publ_section_title
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 Utility of the 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidinato
 Ligand, (hpp)&#x2212;, in Stabilizing Uranium Metallocene Mono-Alkyl and
 &#x201C;Tuck-in&#x201D; Complexes
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_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2104
_journal_paper_doi               10.1021/om100076s
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C27 H42 I N3 U'
_chemical_formula_weight         773.57
_chemical_name_common            UCI47
_chemical_name_systematic
;
 ?
;
_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                 93.455(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9362(12)
_cell_length_b                   18.274(2)
_cell_length_c                   16.592(2)
_cell_measurement_reflns_used    9998
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.46
_cell_volume                     2704.6(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0621
_diffrn_reflns_av_sigmaI/netI    0.0517
_diffrn_refln_scan_rate          10
_diffrn_refln_scan_width         0.3
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23588
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    7.162
_exptl_absorpt_correction_T_max  0.8700
_exptl_absorpt_correction_T_min  0.5345
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.900
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         2.153
_refine_diff_density_min         -2.141
_refine_diff_density_rms         0.206
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4501
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0601
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0277P)^2^+27.6035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0843
_refine_ls_wR_factor_ref         0.0900
_reflns_number_gt                3658
_reflns_number_total             4501
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100076s_si_001.cif
_cod_data_source_block           uci47
_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_values 1715 2011-07-08 13:25:40Z adriana 

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_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4065691