Reductive linear- and cyclo-trimerization of isocyanides using an Al‒Al-bonded compound
Chen, Weixing; Zhao, Yanxia; Xu, Wenhua; Su, Ji-Hu; Shen, Lingyi; Liu, Li; Wu, Biao; Yang, Xiao-Juan; Chemical Communications  (2019) –; doi:10.1039/C9CC04344F

data_7123889
_publ_section_title
;
 Reductive linear- and cyclo-trimerization of isocyanides using an
 Al--Al-bonded compound
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC04344F
_journal_year                    2019
_chemical_formula_sum            'C66 H98 Al2 N6'
_chemical_formula_weight         1029.46
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-02-15 deposited with the CCDC.    2019-07-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.379(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.966(3)
_cell_length_b                   16.053(4)
_cell_length_c                   18.226(4)
_cell_measurement_reflns_used    4347
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      24.22
_cell_measurement_theta_min      2.27
_cell_volume                     3181.9(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 'fine-focus sealed tube'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX II area detector'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.993
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_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5526
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
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_diffrn_reflns_theta_max         25.000
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_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.075
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
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_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.110
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         5526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1299
_refine_ls_R_factor_gt           0.0830
_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^)+(0.0200P)^2^+15.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2053
_refine_ls_wR_factor_ref         0.2209
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3831
_reflns_number_total             5526
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc04344f6.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        3181.7(13)
_cod_database_code               7123889
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.976
_shelx_estimated_absorpt_t_max   0.990
_shelx_res_checksum              76528