Interactions and reactions in some 2,2′-disubstituted biphenyls—an open or shut case
O'Leary, Jane; Wallis, John D.; Organic & Biomolecular Chemistry 7 (2009) 225–228; doi:10.1039/b814615b

data_7150540
_publ_section_title
;
 Interactions and reactions in some 2,2&#x2032;-disubstituted
 biphenyls---an open or shut case
;
_journal_issue                   2
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              225
_journal_page_last               228
_journal_paper_doi               10.1039/b814615b
_journal_volume                  7
_journal_year                    2009
_chemical_formula_sum            'C19 H18 N2 O2'
_chemical_formula_weight         306.35
_chemical_melting_point          378.0(10)
_chemical_name_common
'Methyl E-2-cyano-3-(2-(Dimethylamino)biphen-2-yl)propenoate'
_chemical_name_systematic
;
Methyl E-2-cyano-3-(2-(Dimethylamino)biphen-2-yl)propenoate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.1770(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2446(2)
_cell_length_b                   17.2928(4)
_cell_length_c                   11.6833(2)
_cell_measurement_reflns_used    7231
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1591.42(6)
_computing_cell_refinement
;
DENZO (Otwinowski and Minor, 1997) and COLLECT (Hooft, 1998)
;
_computing_data_collection
;
DENZO (Otwinowski and Minor, 1997) and COLLECT (Hooft, 1998)
;
_computing_data_reduction
;
DENZO (Otwinowski and Minor, 1997) and COLLECT (Hooft, 1998)
;
_computing_molecular_graphics    'ORTEPIII (Johnson and Burnett, 1996)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Enraf Nonius KappaCCD area detector'
_diffrn_measurement_method       'Phi and Omega scans to fill Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enraf Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0493
_diffrn_reflns_av_sigmaI/netI    0.0408
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            15927
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.96
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
using multiple and symmetry-related data measurements via the program
SORTAV (Blessing, 1995)
See R.H. Blessing, Acta Cryst., (1995), A51, 33-38
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         3568
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0620P)^2^+0.3097P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1070
_refine_ls_wR_factor_ref         0.1142
_reflns_number_gt                2837
_reflns_number_total             3568
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b814615b.txt
_cod_data_source_block           compound4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '377-379' was changed to '378.0(10)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               7150540