A simple chiral recognition system to investigate substituent effects on π-π interactions.
Snyder, Seth E.; Huang, Bin-Syuan; Chen, Yu-Tzu; Lin, Huei-Shian; Carey, James R.; Organic letters 14 (2012) 3442–3445; doi:10.1021/ol3014057

data_1507877
_publ_section_title
;
 A simple chiral recognition system to investigate substituent effects on
 \p-\p interactions.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3442
_journal_page_last               3445
_journal_paper_doi               10.1021/ol3014057
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C17 H26 N2 O2'
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_cell_angle_alpha                90.00
_cell_angle_beta                 118.669(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3265(5)
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_cell_length_c                   19.3787(8)
_cell_measurement_reflns_used    5071
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      71.5569
_cell_measurement_theta_min      2.5956
_cell_volume                     1744.51(16)
_computing_cell_refinement
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CrysAlis RED, Oxford Diffraction Ltd., 
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET) 
(compiled Jun 10 2008,16:49:55) 
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_computing_data_collection
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CrysAlis CCD, Oxford Diffraction Ltd., 
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET) 
(compiled Jun 10 2008,16:49:55) 
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_computing_data_reduction
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CrysAlis RED, Oxford Diffraction Ltd., 
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET) 
(compiled Jun 10 2008,16:49:55) 
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'CCD detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
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_diffrn_radiation_type           CuK\a
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_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
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_diffrn_reflns_limit_l_max       23
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_diffrn_reflns_number            13273
_diffrn_reflns_theta_full        71.00
_diffrn_reflns_theta_max         71.79
_diffrn_reflns_theta_min         5.15
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.573
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CrysAlisPro, Oxford Diffraction Ltd., 
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Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.106
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.78
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.48
_refine_diff_density_max         0.695
_refine_diff_density_min         -0.635
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_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.463
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         3350
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.465
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_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3522
_refine_ls_wR_factor_ref         0.3757
_reflns_number_gt                2247
_reflns_number_total             3350
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3014057_si_010.cif
_cod_data_source_block           1j
_cod_depositor_comments
'Adding full bibliography for 1507868--1507878.cif.'
_cod_original_cell_volume        1744.50(14)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1507877