Lithium and aluminium carbamato derivatives of the utility amide 2,2,6,6-tetramethylpiperidide.
Kennedy, Alan R.; Mulvey, Robert E.; Oliver, David E.; Robertson, Stuart D.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 6190–6197; doi:10.1039/c0dt00118j

data_7026003
_publ_section_title
;
 Lithium and aluminium carbamato derivatives of the utility amide
 2,2,6,6-tetramethylpiperidide.
;
_journal_issue                   27
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6190
_journal_page_last               6197
_journal_paper_doi               10.1039/c0dt00118j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C110 H200 Li12 N8 O29'
_chemical_formula_sum            'C110 H200 Li12 N8 O29'
_chemical_formula_weight         2182.06
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                73.910(4)
_cell_angle_beta                 68.784(5)
_cell_angle_gamma                89.123(4)
_cell_formula_units_Z            1
_cell_length_a                   12.7355(7)
_cell_length_b                   16.5468(7)
_cell_length_c                   17.0019(9)
_cell_measurement_reflns_used    14391
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.7729
_cell_measurement_theta_min      2.8387
_cell_volume                     3194.7(3)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_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  0.0454
_diffrn_reflns_av_sigmaI/netI    0.0587
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            30301
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70931
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.134
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.881
_refine_diff_density_min         -0.422
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     736
_refine_ls_number_reflns         12497
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.1184
_refine_ls_R_factor_gt           0.0849
_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^)+(0.1322P)^2^+2.0738P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2313
_refine_ls_wR_factor_ref         0.2490
_reflns_number_gt                8448
_reflns_number_total             12497
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00118j.txt
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7026003