Neptunium and plutonium complexes with a sterically encumbered triamidoamine (TREN) scaffold.
Brown, Jessie L.; Gaunt, Andrew J.; King, David M.; Liddle, Stephen T.; Reilly, Sean D.; Scott, Brian L.; Wooles, Ashley J.; Chemical communications (Cambridge, England) 52 (2016) 5428–5431; doi:10.1039/c6cc01656a

data_7118894
_publ_section_title
;
 Neptunium and plutonium complexes with a sterically encumbered
 triamidoamine (TREN) scaffold.
;
_journal_issue                   31
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5428
_journal_page_last               5431
_journal_paper_doi               10.1039/c6cc01656a
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C33 H75 Cl N4 Np Si3'
_chemical_formula_weight         884.69
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2016-02-08 deposited with the CCDC.
2016-03-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.648(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9845(10)
_cell_length_b                   15.6008(12)
_cell_length_c                   20.4035(15)
_cell_measurement_reflns_used    9853
_cell_measurement_temperature    140(1)
_cell_measurement_theta_max      28.46
_cell_measurement_theta_min      2.26
_cell_volume                     4132.8(5)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w 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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            47211
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.58
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.692
_exptl_absorpt_correction_T_max  0.7383
_exptl_absorpt_correction_T_min  0.3977
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 2.03 (Sheldrick, 2008)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.422
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1812
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.975
_refine_diff_density_min         -0.494
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         9786
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0357
_refine_ls_R_factor_gt           0.0241
_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^)+(0.0191P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0448
_refine_ls_wR_factor_ref         0.0474
_reflns_number_gt                8172
_reflns_number_total             9786
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc01656a2.cif
_cod_data_source_block           apx1791
_cod_depositor_comments
'Adding full bibliography for 7118893--7118894.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7118894