Crystallization in Ionic Liquids: Synthesis, Properties, and Polymorphs of Uranyl Salts
Qu, Feng; Zhu, Qian-Qian; Liu, Chun-Li; Crystal Growth & Design 14 (2014) 6421–; doi:10.1021/cg501277d

data_4512385
_publ_section_title
;
 Crystallization in Ionic Liquids: Synthesis, Properties, and Polymorphs
 of Uranyl Salts
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              6421
_journal_paper_doi               10.1021/cg501277d
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'Cl4 O2 U, 2(C9 H17 N2)'
_chemical_formula_sum            'C18 H34 Cl4 N4 O2 U'
_chemical_formula_weight         718.32
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2013-11-15
_audit_creation_method
;
  Olex2 1.2
  (compiled Apr 23 2013 17:54:37, GUI svn.r4466)
;
_cell_angle_alpha                90
_cell_angle_beta                 116.508(11)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.4266(10)
_cell_length_b                   13.6211(7)
_cell_length_c                   10.4331(9)
_cell_measurement_temperature    290(2)
_cell_volume                     1326.0(2)
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
'SUPERFLIP, J. Appl. Cryst. (2007) 40, 786-790'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_unetI/netI     0.0582
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4795
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.015
_diffrn_reflns_theta_min         2.991
_exptl_absorpt_coefficient_mu    6.544
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.799
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.050
_refine_diff_density_min         -1.124
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0570
_refine_ls_R_factor_gt           0.0348
_refine_ls_shift/su_max          0.064
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0383P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0748
_refine_ls_wR_factor_ref         0.0894
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1834
_reflns_number_total             2586
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg501277d_si_002.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 4512377--4512386.cif.'
_cod_database_code               4512385
_shelxl_version_number           2013-3
_shelx_estimated_absorpt_t_max   0.561
_shelx_estimated_absorpt_t_min   0.354
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B), C7(H7A,H7B), C8(H8A,H8B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3)
2.c Idealised Me refined as rotating group:
 C4(H5A,H5B,H5C), C5(H4A,H4B,H4C), C9(H9A,H9B,H9C)
;