Metal-Ion Displacement Approach for Optical Recognition of Thorium: Application of a Molybdenum(VI) Complex for Nanomolar Determination and Enrichment of Th(IV).
Ghosh, Milan; Ta, Sabyasachi; Banerjee, Mahuya; Das, Debasis; ACS omega 3 (2018) 16089–16098; doi:10.1021/acsomega.8b01901

data_4516093
_publ_section_title
;
 Metal-Ion Displacement Approach for Optical Recognition of Thorium:
 Application of a Molybdenum(VI) Complex for Nanomolar Determination and
 Enrichment of Th(IV).
;
_journal_issue                   11
_journal_name_full               'ACS omega'
_journal_page_first              16089
_journal_page_last               16098
_journal_paper_doi               10.1021/acsomega.8b01901
_journal_volume                  3
_journal_year                    2018
_chemical_formula_moiety         'C22 H30 N4 O2'
_chemical_formula_sum            'C22 H30 N4 O2'
_chemical_formula_weight         382.50
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2017-06-09
_audit_creation_method
;
Olex2 1.2
(compiled Mar 28 2017 19:26:29 for OlexSys, GUI svn.r5337)
;
_cell_angle_alpha                79.149(3)
_cell_angle_beta                 69.618(3)
_cell_angle_gamma                83.152(3)
_cell_formula_units_Z            1
_cell_length_a                   6.8980(4)
_cell_length_b                   8.2874(5)
_cell_length_c                   9.6802(6)
_cell_measurement_reflns_used    1955
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.128
_cell_measurement_theta_min      2.273
_cell_volume                     508.60(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150.0
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_unetI/netI     0.0220
_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       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9094
_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         27.128
_diffrn_reflns_theta_min         2.273
_exptl_absorpt_coefficient_mu    0.082
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_description       block
_exptl_crystal_F_000             206
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         2235
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0364
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0596P)^2^+0.0811P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1062
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1956
_reflns_number_total             2235
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao8b01901_si_002.cif
_cod_data_source_block           L
_cod_database_code               4516093
_shelx_shelxl_version_number     2016/4
_shelx_estimated_absorpt_t_max   0.994
_shelx_estimated_absorpt_t_min   0.976
_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:
 C8(H8A,H8B), C10(H10A,H10B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C7(H7)
2.c Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C11(H11A,H11B,H11C)
;
_olex2_submission_special_instructions 'No special instructions were received'