Models for incomplete nucleophilic attack on a protonated carbonyl group and electron-deficient alkenes: salts and zwitterions from 1-dimethylamino-naphthalene-8-carbaldehyde.
Lari, Alberth; Pitak, Matuesz B.; Coles, Simon J.; Rees, Gregory J.; Day, Stephen P.; Smith, Mark E.; Hanna, John V.; Wallis, John D.; Organic & biomolecular chemistry 10 (2012) 7763–7779; doi:10.1039/c2ob25929j

data_7152631
_publ_section_title
;
 Models for incomplete nucleophilic attack on a protonated carbonyl group
 and electron-deficient alkenes: salts and zwitterions from
 1-dimethylamino-naphthalene-8-carbaldehyde.
;
_journal_issue                   38
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7763
_journal_page_last               7779
_journal_paper_doi               10.1039/c2ob25929j
_journal_volume                  10
_journal_year                    2012
_chemical_formula_moiety         'C22 H17 N O2'
_chemical_formula_sum            'C22 H17 N O2'
_chemical_formula_weight         327.37
_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                 95.980(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8717(3)
_cell_length_b                   11.5384(3)
_cell_length_c                   15.6190(5)
_cell_measurement_reflns_used    4313
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.04
_cell_measurement_theta_min      3.15
_cell_volume                     1590.14(9)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 15.9832
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.856
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0185
_diffrn_reflns_av_sigmaI/netI    0.0357
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7969
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         29.09
_diffrn_reflns_theta_min         3.16
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov 6 2009,16:24:50)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-89
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'thick plate'
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0482P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0933
_refine_ls_wR_factor_ref         0.0966
_reflns_number_gt                2836
_reflns_number_total             3648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob25929j.txt
_cod_data_source_block           compound_13
_cod_original_cell_volume        1590.14(8)
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7152631