Trans-keto* form detection in non photochromic N-salicylidene aminomethylpyridines
Robert, François; Jacquemin, Pierre-Loïc; Tinant, Bernard; Garcia, Yann; CrystEngComm 14 (2012) 4396–; doi:10.1039/c2ce00006g

data_7208043
_publ_section_title
;
 Trans-keto* form detection in non photochromic N-salicylidene
 aminomethylpyridines
;
_journal_issue                   13
_journal_name_full               CrystEngComm
_journal_page_first              4396
_journal_paper_doi               10.1039/c2ce00006g
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C13 H11 Cl N2 O'
_chemical_formula_weight         246.69
_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                 103.95(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.864(4)
_cell_length_b                   6.004(2)
_cell_length_c                   14.041(4)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.4
_cell_measurement_theta_min      3.
_cell_volume                     1134.3(6)
_computing_cell_refinement       MAR
_computing_data_collection       MAR
_computing_data_reduction        MARHKL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 6.66
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'MAR345 image plate'
_diffrn_measurement_method       '143 images, \D\F 3\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'RU200 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.053
_diffrn_reflns_av_sigmaI/netI    0.0311
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            19898
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.320
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelike
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.075
_refine_ls_extinction_coef       0.056(6)
_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   1.139
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         2257
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0524P)^2^+0.8238P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1126
_refine_ls_wR_factor_ref         0.1135
_reflns_number_gt                2167
_reflns_number_total             2257
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce00006g.txt
_cod_data_source_block           plj14or1
_cod_original_sg_symbol_H-M      ' P21/c '
_cod_database_code               7208043