Twisting and planarization in push‒pull ethylenesElectronic supplementary information (ESI) available: tables of X-ray crystallographic bond lengths and angles of compounds 8‒19 (including selected torsional angles and hydrogen bonds), X-ray crystal structures of compounds 10, 11, 13, 16, and 18 (Figs. S1‒S5) and packing diagrams for 17·H2O and 19·H2O (Figs. S6‒S7). See http://www.rsc.org/suppdata/p2/b1/b109624a/
Bernhardt, Paul V.; Koch, Rainer; Moloney, Daniel W. J.; Shtaiwi, Majed; Wentrup, Curt; Journal of the Chemical Society, Perkin Transactions 2  (2002) 515–; doi:10.1039/b109624a

data_7213529
_publ_section_title
;
 Twisting and planarization in push--pull ethylenesElectronic
 supplementary information (ESI) available: tables of X-ray
 crystallographic bond lengths and angles of compounds 8--19 (including
 selected torsional angles and hydrogen bonds), X-ray crystal structures
 of compounds 10, 11, 13, 16, and 18 (Figs. S1--S5) and packing diagrams
 for 17&#x00B7;H2O and 19&#x00B7;H2O (Figs. S6--S7). See
 http://www.rsc.org/suppdata/p2/b1/b109624a/
;
_journal_issue                   3
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 2'
_journal_page_first              515
_journal_paper_doi               10.1039/b109624a
_journal_year                    2002
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C13 H16 N2 O4'
_chemical_formula_structural     'C13 H16 N2 O4'
_chemical_formula_sum            'C14 H16 N2 O4'
_chemical_formula_weight         276.29
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_audit_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1
_audit_creation_date             2001-08-06T13:20:55-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 110.21(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.328(2)
_cell_length_b                   9.1873(9)
_cell_length_c                   13.049(3)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_measurement_wavelength     0.71073
_cell_volume                     1387.0(5)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled omega/2theta scans'
_diffrn_orient_matrix_type
;
x-axis points to radiation source
the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.11316E-1
_diffrn_orient_matrix_UB_12      0.107852
_diffrn_orient_matrix_UB_13      -0.5215E-2
_diffrn_orient_matrix_UB_21      0.08451
_diffrn_orient_matrix_UB_22      0.14451E-1
_diffrn_orient_matrix_UB_23      0.40123E-1
_diffrn_orient_matrix_UB_31      0.14164E-1
_diffrn_orient_matrix_UB_32      0.206E-3
_diffrn_orient_matrix_UB_33      -0.71023E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.048
_diffrn_reflns_av_unetI/netI     0.0875
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            2423
_diffrn_reflns_theta_full        24.96
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         2.77
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        -2
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9806
_exptl_absorpt_correction_T_min  0.9526
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
Number of psi-scan sets used was   1
Theta correction was applied.
Averaged transmission function was used.
No Fourier smoothing was applied.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.967
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         2312
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.967
_refine_ls_R_factor_all          0.1769
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0729P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1162
_refine_ls_wR_factor_ref         0.1642
_reflns_number_gt                889
_reflns_number_total             2312
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b109624asup1.cif
_cod_data_source_block           cw1168
_cod_original_cell_volume        1387.0(4)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7213529
_exptl_absorpt_factor_mur        0.02
_exptl_absorpt_correction_t_ave  0.9483
_diffrn_standards_decay_corr_max 1.001
_diffrn_standards_decay_corr_min 0.962