4,4'-Di-tert-butyl-6-(1H-tetrazol-5-yl)-2,2'-bipyridine: Modification of a Highly Selective N-Donor Ligand for the Separation of Trivalent Actinides from Lanthanides
Maiwald, Martin Maximilian; Wagner, Anna Tessa; Kratsch, Jochen; Skerencak-Frech, Andrej; Trumm, Michael; Geist, Andreas; Roesky, Peter; Panak, Petra J.; Dalton Trans.  (2017) –; doi:10.1039/C7DT01864A

data_7043571
_publ_section_title
;
 4,4'-Di-tert-butyl-6-(1H-tetrazol-5-yl)-2,2'-bipyridine: Modification of
 a Highly Selective N-Donor Ligand for the Separation of Trivalent
 Actinides from Lanthanides
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT01864A
_journal_year                    2017
_chemical_formula_moiety         'C19 H25 N9 O10 Sm, C19 H25 N6, 2(C2 H3 N)'
_chemical_formula_sum            'C42 H56 N17 O10 Sm'
_chemical_formula_weight         1109.38
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2017-03-02
_audit_creation_method
;
Olex2 1.2
(compiled 2017.02.23 svn.r3390 for OlexSys, GUI svn.r5320)
;
_audit_update_record
;
2017-05-17 deposited with the CCDC.
2017-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                78.730(3)
_cell_angle_beta                 84.067(3)
_cell_angle_gamma                69.941(3)
_cell_formula_units_Z            2
_cell_length_a                   11.7312(4)
_cell_length_b                   12.5933(4)
_cell_length_c                   18.8590(6)
_cell_measurement_reflns_used    39418
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.04
_cell_measurement_theta_min      1.85
_cell_volume                     2564.66(15)
_computing_cell_refinement
;
X-Area Recipe 1.33.0.0 (STOE, 2015)
;
_computing_data_collection
;
X-Area Pilatus3_SV 1.31.127.0 (STOE, 2016)
;
_computing_data_reduction
;
X-Area Integrate 1.71.0.0 (STOE, 2016)
X-Area X-Red 1.63.1.0 (STOE, 2016)
X-Area LANA 1.68.2.0 (STOE, 2016) 
PLATON (A.L.Spek, 2009)
;
_computing_molecular_graphics    'Diamond 4, Olex2 (Dolomanov et al., 2009)'
_computing_publication_material
;
MS Word, Olex2 (Dolomanov et al., 2009)
STOE & Cie GmbH, X-Area, software package for collecting single-crystal or
multi-domain crystal data on STOE area-detector diffractometers, for image 
processing, for the correction and scaling of reflection intensities and 
for outlier rejection, version 1.77, Darmstadt 2016
;
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-2016/6 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 Pilatus100K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            'DECTRIS PILATUS 100K'
_diffrn_measured_fraction_theta_full 0.773
_diffrn_measured_fraction_theta_max 0.668
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0535
_diffrn_reflns_av_unetI/netI     0.0458
_diffrn_reflns_Laue_measured_fraction_full 0.773
_diffrn_reflns_Laue_measured_fraction_max 0.668
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19286
_diffrn_reflns_point_group_measured_fraction_full 0.773
_diffrn_reflns_point_group_measured_fraction_max 0.668
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         30.864
_diffrn_reflns_theta_min         1.849
_diffrn_source                   'Mo LFF Sealed Tube'
_diffrn_source_current           1.000
_diffrn_source_power             0.050
_diffrn_source_type              'Xenocs Genix3D microfocus'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.215
_exptl_absorpt_correction_T_max  0.8630
_exptl_absorpt_correction_T_min  0.1968
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE X-Red32, absorption correction by Gaussian integration, analogous to
P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal
Structure Analysis", published in: F. R. Ahmed (Editor), "Crystallographic
Computing", Munksgaard, Copenhagen (1970), 255 - 270.
Afterwards scaling of reflection intensities was performed within STOE LANA.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_description       prism
_exptl_crystal_F_000             1138
_exptl_crystal_size_max          0.401
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.11
_refine_diff_density_max         2.806
_refine_diff_density_min         -2.452
_refine_diff_density_rms         0.158
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     646
_refine_ls_number_reflns         10795
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0732
_refine_ls_R_factor_gt           0.0642
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1347P)^2^+2.5684P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1671
_refine_ls_wR_factor_ref         0.1841
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9474
_reflns_number_total             10795
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt01864a2.cif
_cod_data_source_block           atw411sv-2
_cod_database_code               7043571
_shelx_shelxl_version_number     2016/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H,H) groups
2. Uiso/Uaniso restraints and constraints
C12 \\sim C13 \\sim C14 \\sim C15: within 1.7A with sigma of 0.004 and sigma
for terminal atoms of 0.008
3.a Rotating group:
 O10(H10A,H10B)
3.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C7(H7), C9(H9), C10(H10), N8(H8), N9(H9A), C21(H21), C23(H23),
  C26(H26), C28(H28), C29(H29)
3.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,
 H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C32(H32A,H32B,H32C), C33(H33A,
 H33B,H33C), C34(H34A,H34B,H34C), C36(H36A,H36B,H36C), C37(H37A,H37B,H37C),
 C38(H38A,H38B,H38C), C40(H40A,H40B,H40C), C42(H42A,H42B,H42C)
;
_shelx_res_checksum              61272
_olex2_submission_special_instructions 'No special instructions were received'