Structural diversity in a homologous series of donor free alkali metal complexes bearing a sterically demanding triazenide.
McKay, Alasdair I.; Cole, Marcus L.; Dalton transactions (Cambridge, England : 2003) 48 (2019) 2948–2952; doi:10.1039/c8dt04983a

data_7048890
_publ_section_title
;
 Structural diversity in a homologous series of donor free alkali metal
 complexes bearing a sterically demanding triazenide.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2948
_journal_page_last               2952
_journal_paper_doi               10.1039/c8dt04983a
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C48 H50 Li N3'
_chemical_formula_sum            'C48 H50 Li N3'
_chemical_formula_weight         675.85
_chemical_name_common            '[Li(N3Dmp2)]'
_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'
_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     dual
_audit_creation_date             2018-04-19
_audit_creation_method
;
Olex2 1.2
(compiled 2018.04.18 svn.r3501 for OlexSys, GUI svn.r5488)
;
_audit_update_record
;
2018-04-19 deposited with the CCDC.
2019-01-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.052(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.6536(9)
_cell_length_b                   22.3187(17)
_cell_length_c                   17.0499(12)
_cell_measurement_reflns_used    6813
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      24.31
_cell_measurement_theta_min      2.18
_cell_volume                     4051.4(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 (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.15
_diffrn_measured_fraction_theta_full 0.998
_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  0.0735
_diffrn_reflns_av_unetI/netI     0.0678
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            33461
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.105
_diffrn_reflns_theta_min         1.504
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6584
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1230 before and 0.0780 after correction. The Ratio of minimum to maximum transmission is 0.8832. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.108
_exptl_crystal_description       prism
_exptl_crystal_F_000             1448
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: hexane'
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     481
_refine_ls_number_reflns         8926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0722P)^2^+1.0924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1479
_refine_ls_wR_factor_ref         0.1724
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5656
_reflns_number_total             8926
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt04983a2.cif
_cod_data_source_block           data1
_cod_depositor_comments
'Adding full bibliography for 7048890--7048897.cif.'
_cod_database_code               7048890
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.982
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C29(H29), C44(H44), C5(H5), C27(H27), C28(H28), C4(H4), C42(H42), C3(H3),
 C18(H18), C20(H20), C35(H35), C33(H33), C11(H11), C9(H9)
2.b Idealised Me refined as rotating group:
 C48(H48A,H48B,H48C), C46(H46A,H46B,H46C), C22(H22A,H22B,H22C), C24(H24A,H24B,
 H24C), C15(H15A,H15B,H15C), C13(H13A,H13B,H13C), C39(H39A,H39B,H39C), C23(H23A,
 H23B,H23C), C38(H38A,H38B,H38C), C47(H47A,H47B,H47C), C37(H37A,H37B,H37C),
 C14(H14A,H14B,H14C)
;
_shelx_res_checksum              23117
_olex2_submission_special_instructions 'No special instructions were received'