Synthesis and characterisation of tetramethylpiperidinyloxide (TEMPO) complexes of group 13 metal hydrides
Jones, Cameron; Rose, Richard P.; New Journal of Chemistry 31 (2007) 1484–; doi:10.1039/b702641b

data_7052179
_publ_section_title
;
 Synthesis and characterisation of tetramethylpiperidinyloxide (TEMPO)
 complexes of group 13 metal hydrides
;
_journal_issue                   8
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1484
_journal_paper_doi               10.1039/b702641b
_journal_volume                  31
_journal_year                    2007
_chemical_formula_sum            'C25 H50 Al N3 O2'
_chemical_formula_weight         451.66
_chemical_name_systematic
;
?
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.14(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.707(3)
_cell_length_b                   11.963(2)
_cell_length_c                   17.660(4)
_cell_measurement_temperature    150(2)
_cell_volume                     2673.8(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0763
_diffrn_reflns_av_sigmaI/netI    0.0781
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18772
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.64
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         6103
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0970
_refine_ls_R_factor_gt           0.0599
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0402P)^2^+1.5346P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1197
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                4199
_reflns_number_total             6103
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702641b.txt
_cod_data_source_block           compound3
_cod_original_cell_volume        2673.8(9)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7052179