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_4502995
_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           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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6425(9)
_cell_length_b                   12.5079(11)
_cell_length_c                   13.9147(12)
_cell_measurement_temperature    293(2)
_cell_volume                     1330.1(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0187
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10934
_diffrn_reflns_theta_full        26.98
_diffrn_reflns_theta_max         26.98
_diffrn_reflns_theta_min         4.21
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.360
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -10(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         1666
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0343
_refine_ls_R_factor_gt           0.0335
_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^)+(0.0508P)^2^+0.2854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0874
_reflns_number_gt                1626
_reflns_number_total             1666
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2013705_si_001.cif
_cod_data_source_block           02_Form_II
_cod_original_sg_symbol_Hall     'P 2ac 2ab '
_cod_database_code               4502995