Thermomechanical effect in molecular crystals: the role of halogen-bonding interactions
Mittapalli, Sudhir; Perumalla, D. Sravanakumar; Nanubolu, Jagadeesh Babu; Nangia, Ashwini; IUCrJ 4 (2017) 812–823; doi:10.1107/S2052252517014658

data_1547809
_publ_section_title
;
 Thermomechanical effect in molecular crystals: the role of
 halogen-bonding interactions
;
_journal_coeditor_code           ED5012
_journal_issue                   6
_journal_name_full               IUCrJ
_journal_page_first              812
_journal_page_last               823
_journal_paper_doi               10.1107/S2052252517014658
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety         'C13 H9 Cl2 N3 O2'
_chemical_formula_sum            'C13 H9 Cl2 N3 O2'
_chemical_formula_weight         310.13
_chemical_melting_point          523.1
_chemical_name_common
(E)-N'-(3,5-dichloro-2-hydroxybenzylidene)isonicotinohydrazide
_chemical_name_systematic
(E)-N'-(3,5-dichloro-2-hydroxybenzylidene)isonicotinohydrazide
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.441(3)
_cell_length_b                   8.3179(16)
_cell_length_c                   10.6014(18)
_cell_measurement_reflns_used    2279
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.034
_cell_measurement_theta_min      2.449
_cell_volume                     1361.6(4)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_unetI/netI     0.0212
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8992
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.034
_diffrn_reflns_theta_max         25.034
_diffrn_reflns_theta_min         2.449
_exptl_absorpt_coefficient_mu    0.480
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.513
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.124
_refine_diff_density_min         -0.169
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details
;
 Flack x determined using 1021 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.021(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2379
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0263
_refine_ls_R_factor_gt           0.0245
_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^)+(0.0360P)^2^+0.1165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0616
_refine_ls_wR_factor_ref         0.0626
_reflns_Friedel_coverage         0.879
_reflns_Friedel_fraction_full    0.983
_reflns_Friedel_fraction_max     0.983
_reflns_number_gt                2279
_reflns_number_total             2379
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ed5012.cif
_cod_data_source_block           Compound-A-Form-II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '523.1K' was changed to '523.1' - 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 
;
_cod_original_cell_volume        1361.6(5)
_cod_database_code               1547809
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              57072
_shelx_hkl_checksum              36896