Stereoselective synthesis of Z-acrylonitrile derivatives: catalytic and acetylcholinesterase inhibition studies
Parveen, Mehtab; Malla, Ali Mohammed; Alam, Mahboob; Ahmad, Musheer; Rafiq, Shahnawaz; New Journal of Chemistry 38 (2014) 1655–; doi:10.1039/c3nj01384g

data_7054039
_publ_section_title
;
 Stereoselective synthesis of Z-acrylonitrile derivatives: catalytic and
 acetylcholinesterase inhibition studies
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1655
_journal_paper_doi               10.1039/c3nj01384g
_journal_volume                  38
_journal_year                    2014
_chemical_formula_moiety         'C17 H14 N2 O4'
_chemical_formula_sum            'C17 H14 N2 O4'
_chemical_formula_weight         310.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000
_cell_angle_beta                 91.229(5)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   15.634(5)
_cell_length_b                   4.720(2)
_cell_length_c                   19.585(5)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      1.30
_cell_volume                     1444.9(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0370
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7121
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.426
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         2678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0633
_refine_ls_R_factor_gt           0.0494
_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^)+(0.1041P)^2^+0.4073P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1345
_refine_ls_wR_factor_ref         0.1712
_reflns_number_gt                2178
_reflns_number_total             2678
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3nj01384g2.cif
_cod_data_source_block           Compound1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1444.9(16)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7054039