Mechanochemical synthesis of <i>N</i>-salicylideneaniline: thermosalient effect of polymorphic crystals
Mittapalli, Sudhir; Sravanakumar Perumalla, D.; Nangia, Ashwini; IUCrJ 4 (2017) –; doi:10.1107/S2052252517004043

data_1545682
_publ_section_title
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 Mechanochemical synthesis of <i>N</i>-salicylideneaniline: thermosalient
 effect of polymorphic crystals
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_journal_coeditor_code           LQ5003
_journal_issue                   3
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252517004043
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety         'C14 H10 Cl2 N2 O2'
_chemical_formula_sum            'C14 H10 Cl2 N2 O2'
_chemical_formula_weight         309.14
_chemical_melting_point          523.8
_chemical_name_common
((E)-4-((3,5-Dichloro-2-Hydroxybenzylidene)amino)benzamide
_chemical_name_systematic
((E)-4-((3,5-Dichloro-2-Hydroxybenzylidene)amino)benzamide
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                87.618(7)
_cell_angle_beta                 80.816(7)
_cell_angle_gamma                75.707(10)
_cell_formula_units_Z            4
_cell_length_a                   7.2798(9)
_cell_length_b                   13.2794(15)
_cell_length_c                   14.5473(9)
_cell_measurement_reflns_used    2627
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      66.593
_cell_measurement_theta_min      4.609
_cell_volume                     1345.3(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0550
_diffrn_reflns_av_unetI/netI     0.0800
_diffrn_reflns_Laue_measured_fraction_full 0.986
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8177
_diffrn_reflns_point_group_measured_fraction_full 0.986
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        66.593
_diffrn_reflns_theta_max         66.593
_diffrn_reflns_theta_min         4.609
_exptl_absorpt_coefficient_mu    4.371
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         4683
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.1063
_refine_ls_R_factor_gt           0.0616
_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^)+(0.1033P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1604
_refine_ls_wR_factor_ref         0.2179
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2627
_reflns_number_total             4683
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            lq5003.cif
_cod_data_source_block           AFORMIII
_cod_depositor_comments
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The following automatic conversions were performed:

'_chemical_melting_point' value '523.8K' was changed to '523.8' - the
value should be numeric and without a unit designator.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
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_cod_database_code               1545682
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              92920
_shelx_hkl_checksum              83173