A monotopic aluminum telluride with an Al=Te double bond stabilized by N-heterocyclic carbenes
Franz, Daniel; Szilvasi, Tibor; Irran, Elisabeth; Inoue, Shigeyoshi; Nature Communications 6 (2015) 10037–; doi:10.1038/ncomms10037

data_1548214
_publ_section_title
;
 A monotopic aluminum telluride with an Al=Te double bond stabilized by
 N-heterocyclic carbenes
;
_journal_name_full               'Nature Communications'
_journal_page_first              10037
_journal_paper_doi               10.1038/ncomms10037
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C45 H68 Al N7 Te'
_chemical_formula_weight         861.64
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 95.069(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.2033(4)
_cell_length_b                   19.6490(7)
_cell_length_c                   19.4970(6)
_cell_measurement_reflns_used    9129
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      73.3790
_cell_measurement_theta_min      3.1930
_cell_volume                     4656.8(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.5435
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0506
_diffrn_reflns_av_sigmaI/netI    0.0568
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            16375
_diffrn_reflns_theta_full        67.49
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         3.20
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    5.499
_exptl_absorpt_correction_T_max  0.6374
_exptl_absorpt_correction_T_min  0.2422
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.09
_refine_diff_density_max         2.328
_refine_diff_density_min         -1.509
_refine_diff_density_rms         0.144
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         8090
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0529
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0877P)^2^+14.2692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1348
_refine_ls_wR_factor_ref         0.1709
_reflns_number_gt                6932
_reflns_number_total             8090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ncomms10037-s3.cif
_cod_data_source_block           cu-1265
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               1548214