Chiral carboxylic acids and their effects on melting-point behaviour in co-crystals with isonicotinamide
Lemmerer, Andreas; Báthori, Nikoletta B.; Bourne, Susan A.; Acta Crystallographica Section B 64 (2008) 780–790; doi:10.1107/S0108768108034526

data_2104250
_publ_section_title
;
 Chiral carboxylic acids and their effects on melting-point behaviour
 in co-crystals with isonicotinamide
;
_journal_coeditor_code           BS5070
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              780
_journal_page_last               790
_journal_paper_doi               10.1107/S0108768108034526
_journal_volume                  64
_journal_year                    2008
_chemical_formula_moiety         'C9 H10 O2, C6 H6 N2 O'
_chemical_formula_sum            'C15 H16 N2 O3'
_chemical_formula_weight         272.3
_chemical_melting_point          364
_chemical_name_systematic
;
((RS)-2-phenylpropionic acid).(iso-nicotinamide)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 128.319(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   31.899(3)
_cell_length_b                   5.4007(5)
_cell_length_c                   20.8815(16)
_cell_measurement_reflns_used    20822
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      0.41
_cell_volume                     2822.4(4)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics
;
Ortep-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg, 1999)
;
_computing_publication_material
;
WinGX publication routines (Farrugia, 1999) and PLATON (Spek, 2002)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '1.5\% \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0739
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            19532
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.72
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.09
_exptl_absorpt_correction_T_max  0.9944
_exptl_absorpt_correction_T_min  0.9611
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Bruker XPREP (Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.24
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3204
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.1046
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0857P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1312
_refine_ls_wR_factor_ref         0.1545
_reflns_number_gt                1930
_reflns_number_total             3204
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bs5070.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               2104250