Trialkylamines More Planar at Nitrogen Than Triisopropylamine in the Solid State
Minmin Yang; Thomas Albrecht-Schmitt; Vince Cammarata; Peter Livant; David S. Makhanu; Richard Sykora; Wei Zhu; Journal of Organic Chemistry 74 (2009) 2671–2678; doi:10.1021/jo802086h

data_4024426
_publ_section_title
;
Trialkylamines More Planar at Nitrogen Than Triisopropylamine in the Solid
State
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2671
_journal_page_last               2678
_journal_paper_doi               10.1021/jo802086h
_journal_volume                  74
_journal_year                    2009
_chemical_formula_moiety         'C12 H25 N O2'
_chemical_formula_sum            'C12 H25 N O2'
_chemical_formula_weight         215.33
_chemical_name_systematic
; 
 2-(2,2,6,6-Tetramethyl-1-piperidinyl)propane-1,3-diol 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                65.765(4)
_cell_angle_beta                 85.429(4)
_cell_angle_gamma                83.200(4)
_cell_formula_units_Z            4
_cell_length_a                   7.2537(15)
_cell_length_b                   12.906(3)
_cell_length_c                   14.907(3)
_cell_measurement_reflns_used    4555
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.18
_cell_measurement_theta_min      1.50
_cell_volume                     1262.9(5)
_computing_cell_refinement       'SMART, SAINT'
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '0.3 wide w/ exposures'
_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  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10352
_diffrn_reflns_theta_full        25.18
_diffrn_reflns_theta_max         25.18
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.9918
_exptl_absorpt_correction_T_min  0.9660
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(Bruker, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.133
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.550
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.128
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.025(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4555
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0835P)^2^+0.0686P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1388
_refine_ls_wR_factor_ref         0.1477
_reflns_number_gt                3378
_reflns_number_total             4555
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo802086h_si_005.cif
_cod_data_source_block           cmpd10
_cod_database_code               4024426