Reaction of sterically encumbered phenols, TEMPO-H, and organocarbonyl insertion reactions with L-AlH2 (L = HC(MeCNDipp)2, Dipp = 2,6-diisopropylphenyl)
Keyes, Lauren K.; Todd, Angela D. K.; Giffin, Nick A.; Veinot, Alex J.; Hendsbee, Arthur D.; Robertson, Katherine N.; Geier, Stephen J.; Masuda, Jason D.; RSC Adv. 7 (2017) 37315–; doi:10.1039/C7RA06526D

data_7228785
_publ_section_title
;
 Reaction of sterically encumbered phenols, TEMPO-H, and organocarbonyl
 insertion reactions with L-AlH2 (L = HC(MeCNDipp)2, Dipp =
 2,6-diisopropylphenyl)
;
_journal_issue                   59
_journal_name_full               'RSC Adv.'
_journal_page_first              37315
_journal_paper_doi               10.1039/C7RA06526D
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C36 H49 Al N2 O'
_chemical_formula_sum            'C36 H49 Al N2 O'
_chemical_formula_weight         552.75
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-08-14
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2017-05-05 deposited with the CCDC.
2017-07-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4049(6)
_cell_length_b                   17.1433(11)
_cell_length_c                   20.5503(13)
_cell_measurement_reflns_used    9934
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      25.71
_cell_measurement_theta_min      2.38
_cell_volume                     3313.3(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      125.07
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0774
_diffrn_reflns_av_unetI/netI     0.0548
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            41740
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.759
_diffrn_reflns_theta_min         1.547
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0942 before and 0.0888 after correction.
The Ratio of minimum to maximum transmission is 0.8968.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.108
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 2886 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.03(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     375
_refine_ls_number_reflns         8415
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0413
_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^)+(0.0430P)^2^+0.5598P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1031
_reflns_Friedel_coverage         0.769
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.956
_reflns_number_gt                7336
_reflns_number_total             8415
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra06526d1.cif
_cod_data_source_block           2016_08_13_at267_nacalhobz_0m_a
_cod_database_code               7228785
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C12(H12), C15(H15), C24(H24), C27(H27)
2.b Secondary CH2 refined with riding coordinates:
 C30(H30A,H30B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C8(H8), C9(H9), C10(H10), C20(H20), C21(H21), C22(H22), C32(H32),
 C33(H33), C34(H34), C35(H35), C36(H36)
2.d Idealised Me refined as rotating group:
 C2(H2A,H2B,H2C), C5(H5A,H5B,H5C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C),
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C25(H25A,H25B,H25C), C26(H26A,H26B,
 H26C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C)
;
_shelx_res_checksum              52504
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'