Solvent-Free Polymorphism Control in a Covalent Mechanochemical Reaction
Cinčić, Dominik; Brekalo, Ivana; Kaitner, Branko; Crystal Growth & Design 12 (2012) 44–; doi:10.1021/cg2013705

data_4502996
_publ_section_title
;
 Solvent-Free Polymorphism Control in a Covalent Mechanochemical Reaction
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              44
_journal_paper_doi               10.1021/cg2013705
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C18 H12 N2 O'
_chemical_formula_sum            'C18 H12 N2 O'
_chemical_formula_weight         272.30
_chemical_name_systematic
;
N-(2-cyanophenyl)-2-hydroxy-1-naphthaldimine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 114.823(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3537(4)
_cell_length_b                   7.2920(2)
_cell_length_c                   15.1552(5)
_cell_measurement_temperature    293(2)
_cell_volume                     1339.40(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0174
_diffrn_reflns_av_sigmaI/netI    0.0155
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12831
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         4.04
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.78
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2905
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0687P)^2^+0.0462P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1043
_reflns_number_gt                2342
_reflns_number_total             2905
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2013705_si_001.cif
_cod_data_source_block           03_Form_III
_cod_original_cell_volume        1339.39(7)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4502996