Normal and abnormal NHC coordination in cationic hydride iodide complexes of aluminium.
Trose, Michael; Burnett, Stuart; Bonyhady, Simon J.; Jones, Cameron; Cordes, David B.; Slawin, Alexandra M. Z.; Stasch, Andreas; Dalton transactions (Cambridge, England : 2003) 47 (2018) 10281–10287; doi:10.1039/c8dt01798k

data_7046998
_publ_section_title
;
 Normal and abnormal NHC coordination in cationic hydride iodide complexes
 of aluminium.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10281
_journal_page_last               10287
_journal_paper_doi               10.1039/c8dt01798k
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C54 H74 Al N4, I'
_chemical_formula_sum            'C54 H74 Al I N4'
_chemical_formula_weight         933.09
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-01-18
_audit_creation_method           'by CrystalStructure 4.2'
_audit_update_record
;
2018-04-30 deposited with the CCDC.
2018-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 92.055(2)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   10.9058(8)
_cell_length_b                   22.4121(13)
_cell_length_c                   21.6328(14)
_cell_measurement_reflns_used    16093
_cell_measurement_temperature    173
_cell_measurement_theta_max      27.60
_cell_measurement_theta_min      1.90
_cell_volume                     5284.1(6)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b45'
_computing_data_collection
'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b45'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL Version 2016/6 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF99-PATTY (Gould, et al., 1999)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            107445
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.413
_diffrn_reflns_theta_min         1.817
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.659
_exptl_absorpt_correction_T_max  0.949
_exptl_absorpt_correction_T_min  0.897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.173
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1968.00
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.23
_refine_diff_density_min         -1.31
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     565
_refine_ls_number_reflns         9698
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0393
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0350P)^2^+5.9175P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0854
_refine_ls_wR_factor_ref         0.0880
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8896
_reflns_number_total             9698
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c8dt01798k2.cif
_cod_data_source_block           cmpd_9
_cod_depositor_comments
'Adding full bibliography for 7046996--7046999.cif.'
_cod_database_code               7046998
_shelx_res_checksum              91081