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_7703885
_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         'C36 H58 N3 Na O3'
_chemical_formula_sum            'C36 H58 N3 Na O3'
_chemical_formula_weight         603.84
_chemical_name_systematic        '[Na(THF)3(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 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-12-08
_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                 99.173(16)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.105(3)
_cell_length_b                   14.969(5)
_cell_length_c                   24.904(7)
_cell_measurement_reflns_used    1668
_cell_measurement_temperature    150
_cell_measurement_theta_max      19.83
_cell_measurement_theta_min      2.45
_cell_volume                     3719(2)
_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 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.1513
_diffrn_reflns_av_unetI/netI     0.3154
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            21509
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.121
_diffrn_reflns_theta_max         25.121
_diffrn_reflns_theta_min         2.483
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.5418
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2012/1 (Bruker,2012) was used for absorption correction. wR2(int) was 0.1275 before and 0.0692 after correction. The Ratio of minimum to maximum transmission is 0.7262. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_description       plate
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.892
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         6601
_refine_ls_number_restraints     300
_refine_ls_restrained_S_all      0.875
_refine_ls_R_factor_all          0.2305
_refine_ls_R_factor_gt           0.0817
_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^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1968
_refine_ls_wR_factor_ref         0.2909
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2453
_reflns_number_total             6601
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00285b2.cif
_cod_data_source_block           6(THF)3
_cod_depositor_comments
'Adding full bibliography for 7703878--7703902.cif.'
_cod_original_cell_volume        3719.0(19)
_cod_database_code               7703885
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.998
_shelx_estimated_absorpt_t_min   0.988
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
All non-hydrogen atoms have similar U: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08
3. Others
 Sof(H29C)=Sof(H29D)=Sof(H32C)=Sof(H32D)=Sof(C30A)=Sof(H30A)=Sof(H30B)=
 Sof(C31A)=Sof(H31C)=Sof(H31D)=1-FVAR(1)
 Sof(H29A)=Sof(H29B)=Sof(H32A)=Sof(H32B)=Sof(C31B)=Sof(H31A)=Sof(H31B)=
 Sof(C30B)=Sof(H30C)=Sof(H30D)=FVAR(1)
4.a Ternary CH refined with riding coordinates:
 C7(H7), C10(H10), C19(H19), C22(H22)
4.b Secondary CH2 refined with riding coordinates:
 C25(H25A,H25B), C26(H26A,H26B), C27(H27A,H27B), C28(H28A,H28B), C29(H29C,
 H29D), C29(H29A,H29B), C32(H32A,H32B), C32(H32C,H32D), C33(H33A,H33B),
 C34(H34A,H34B), C35(H35A,H35B), C36(H36A,H36B), C30A(H30A,H30B), C31B(H31A,
 H31B), C30B(H30C,H30D), C31A(H31C,H31D)
4.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C15(H15), C16(H16), C17(H17)
4.d Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C),
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C23(H23A,H23B,H23C), C24(H24A,H24B,
 H24C)
;
_shelx_res_checksum              24743
_olex2_submission_special_instructions 'No special instructions were received'