Hydrogen-bonded chains in racemic 2-benzyl-3-(2-bromophenyl)propiononitrile and hydrogen-bonded sheets in methyl 2-benzyl-2-cyano-3-phenylpropionate
Calderón, Guillermo; Jaramillo-Gómez, Luz Marina; Torre, José M. de la; Cobo, Justo; Low, John N.; Glidewell, Christopher; Acta Crystallographica Section C 62 (2006) o583–o586; doi:10.1107/S0108270106032689

data_2015562
_publ_section_title
;
 Hydrogen-bonded chains in racemic
 2-benzyl-3-(2-bromophenyl)propiononitrile and hydrogen-bonded sheets
 in methyl 2-benzyl-2-cyano-3-phenylpropionate
;
_journal_coeditor_code           GG3038
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o583
_journal_page_last               o586
_journal_paper_doi               10.1107/S0108270106032689
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C18 H17 N O2'
_chemical_formula_moiety         'C18 H17 N O2'
_chemical_formula_sum            'C18 H17 N O2'
_chemical_formula_weight         279.33
_chemical_name_systematic
;
Methyl 2-benzyl-2-cyano-3-phenylpropionate
;
_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                   9.2000(3)
_cell_length_b                   9.3280(2)
_cell_length_c                   18.3031(5)
_cell_measurement_reflns_used    2053
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.11
_cell_volume                     1570.73(7)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) and COLLECT'
_computing_data_collection       'COLLECT (Hooft, 1999)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement
'OSCAIL (McArdle, 2003) and SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2004 (Burla <i>et al.</i>,  2005)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker--Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13755
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.11
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.938
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.181
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.129
_refine_ls_extinction_coef       0.036(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.140
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2053
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.140
_refine_ls_R_factor_all          0.0368
_refine_ls_R_factor_gt           0.0307
_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^)+(0.0366P)^2^+0.1369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0759
_reflns_number_gt                1845
_reflns_number_total             2053
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg3038.cif
_cod_data_source_block           II
_cod_database_code               2015562
_cod_database_fobs_code          2015562