Crystal structures of three functionalized chalcones: 4'-dimethylamino-3-nitrochalcone, 3-dimethylamino-3'-nitrochalcone and 3'-nitrochalcone
Hall, Charlie L.; Hamilton, Victoria; Potticary, Jason; Cremeens, Matthew E.; Pridmore, Natalie E.; Sparkes, Hazel A.; D'ambruoso, Gemma D.; Warren, Stephen D.; Matsumoto, Masaomi; Hall, Simon R.; Acta Crystallographica Section E 76 (2020) 1599–1604; doi:10.1107/S2056989020011858

data_2243575
_publ_section_title
;
 Crystal structures of three functionalized chalcones:
 4'-dimethylamino-3-nitrochalcone, 3-dimethylamino-3'-nitrochalcone and
 3'-nitrochalcone
;
_journal_coeditor_code           DX2030
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1599
_journal_page_last               1604
_journal_paper_doi               10.1107/S2056989020011858
_journal_volume                  76
_journal_year                    2020
_chemical_formula_moiety         'C17 H16 N2 O3'
_chemical_formula_sum            'C17 H16 N2 O3'
_chemical_formula_weight         296.32
_chemical_name_common            4'-Dimethylamino,3-nitrochalcone
_chemical_name_systematic
;
1-[4-(Dimethylamino)phenyl]-3-(3-nitrophenyl)prop-2-en-1-one
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90.761(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.3171(7)
_cell_length_b                   7.0708(3)
_cell_length_c                   11.3487(4)
_cell_measurement_reflns_used    2510
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.67
_cell_measurement_theta_min      2.35
_cell_volume                     1389.48(10)
_computing_cell_refinement
;
SAINT (Bruker, 2016)
;
_computing_data_collection
;
APEX2 (Bruker, 2016)
;
_computing_data_reduction
;
SAINT (Bruker, 2016)
;
_computing_molecular_graphics
;
<i>OLEX2</i> (Dolomanov et al., 2009) and Mercury (Macrae et
al., 2020)
;
_computing_publication_material
;
<i>OLEX2</i> (Dolomanov et al., 2009)
;
_computing_structure_refinement
;
ShelXL (Sheldrick, 2015)
;
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007; Palatinus & van der Lee,
2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100.04
_diffrn_detector                 'Bruker area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Bruker Apex II Kappa CCD area detector'
_diffrn_measurement_device_type  'Bruker APEXII Kappa CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_av_unetI/netI     0.0326
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            12270
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.918
_diffrn_reflns_theta_min         2.352
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6661
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2016)
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_description       plate
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.188
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.283
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3320
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0678P)^2^+0.1379P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1228
_reflns_number_gt                2561
_reflns_number_total             3320
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            dx2030sup1.cif
_cod_data_source_block           Gp8m
_cod_database_code               2243575
_cod_database_fobs_code          2243575
_shelx_estimated_absorpt_t_min   0.963
_shelx_estimated_absorpt_t_max   0.982
_shelx_hkl_checksum              50887
_shelx_res_checksum              60368