O- vs. N-protonation of 1-dimethylaminonaphthalene-8-ketones: formation of a peri N–C bond or a hydrogen bond to the pi-electron density of a carbonyl group
Mercadal, Nerea; Day, Stephen P.; Jarmyn, Andrew; Pitak, Mateusz B.; Coles, Simon J.; Wilson, Claire; Rees, Gregory J.; Hanna, John V.; Wallis, John D.; CrystEngComm 16 (2014) 8363–; doi:10.1039/C4CE00981A

data_7217133
_publ_section_title
;
 O- vs. N-protonation of 1-dimethylaminonaphthalene-8-ketones: formation
 of a peri N--C bond or a hydrogen bond to the pi-electron density of a
 carbonyl group
;
_journal_issue                   36
_journal_name_full               CrystEngComm
_journal_page_first              8363
_journal_paper_doi               10.1039/C4CE00981A
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C14 H12 F3 N O'
_chemical_formula_weight         267.25
_chemical_name_systematic
; 
 1-Dimethylamino-4-trifluoroacetylnaphthalene  13
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2319(13)
_cell_length_b                   8.6574(13)
_cell_length_c                   19.901(3)
_cell_measurement_reflns_used    790
_cell_measurement_temperature    294(1)
_cell_measurement_theta_max      29.0323
_cell_measurement_theta_min      2.9901
_cell_volume                     1246.0(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(1)
_diffrn_detector_area_resol_mean 15.9832
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.855
_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_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            3862
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         29.10
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.4483
_exptl_crystal_size_mid          0.2415
_exptl_crystal_size_min          0.0983
_refine_diff_density_max         0.133
_refine_diff_density_min         -0.136
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0920
_refine_ls_R_factor_gt           0.0602
_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^)+(0.0499P)^2^+0.0287P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1140
_refine_ls_wR_factor_ref         0.1298
_reflns_number_gt                1760
_reflns_number_total             2549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00981a2.cif
_cod_data_source_block           ketone13
_cod_depositor_comments
'Adding full bibliography for 7217128--7217139.cif.'
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7217133