Bulky bis(aryl)triazenides: just aspiring amidinates? A structural and spectroscopic study.
Gyton, Matthew R.; Leverett, Anthony R.; Cole, Marcus L.; McKay, Alasdair I.; Dalton transactions (Cambridge, England : 2003) 49 (2020) 5653–5661; doi:10.1039/d0dt00285b

data_7703889
_publ_section_title
;
 Bulky bis(aryl)triazenides: just aspiring amidinates? A structural and
 spectroscopic study.
;
_journal_issue                   17
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5653
_journal_page_last               5661
_journal_paper_doi               10.1039/d0dt00285b
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C32 H54 K N3 O4'
_chemical_formula_sum            'C32 H54 K N3 O4'
_chemical_formula_weight         583.88
_chemical_name_common            '[K(DME)2(N3Dipp2)]'
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-04-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-12-14 deposited with the CCDC.	2020-03-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.5830(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2751(5)
_cell_length_b                   15.4085(5)
_cell_length_c                   16.3889(6)
_cell_measurement_reflns_used    9248
_cell_measurement_temperature    150
_cell_measurement_theta_max      24.808
_cell_measurement_theta_min      2.289
_cell_volume                     3416.9(2)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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 (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0535
_diffrn_reflns_av_unetI/netI     0.0399
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            41517
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.021
_diffrn_reflns_theta_min         2.644
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.192
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6944
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/2 (Bruker,2014/2) was used for absorption correction. wR2(int) was 0.0742 before and 0.0521 after correction. The Ratio of minimum to maximum transmission is 0.9317. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.313
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         6705
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0625
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0416P)^2^+1.6294P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1088
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5083
_reflns_number_total             6705
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00285b2.cif
_cod_data_source_block           7(DME)2
_cod_depositor_comments
'Adding full bibliography for 7703878--7703902.cif.'
_cod_database_code               7703889
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.927
_shelx_estimated_absorpt_t_min   0.927
_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 Ternary CH refined with riding coordinates:
 C13(H13), C10(H10), C25(H25), C22(H22)
2.b Secondary CH2 refined with riding coordinates:
 C34(H34A,H34B), C30(H30A,H30B), C33(H33A,H33B), C29(H29A,H29B)
2.c Aromatic/amide H refined with riding coordinates:
 C8(H8), C7(H7), C6(H6), C20(H20), C18(H18), C19(H19)
2.d Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C11(H11A,H11B,H11C), C14(H14A,H14B,H14C), C12(H12A,H12B,
 H12C), C31(H31A,H31B,H31C), C28(H28A,H28B,H28C), C23(H23A,H23B,H23C), C35(H35A,
 H35B,H35C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C32(H32A,H32B,H32C),
 C24(H24A,H24B,H24C)
;
_shelx_res_checksum              16430
_olex2_submission_special_instructions 'No special instructions were received'