Hybrid Synthetic and Computational Study of an Optimized, Solvent-Free Approach to Curcuminoids
Stepanova, Valeria A.; Guerrero, Andres; Schull, Cullen; Christensen, Joshua; Trudeau, Claire; Cook, Joshua; Wolmutt, Kyle; Blochwitz, Jordan; Ismail, Abdelrahman; West, Joseph K.; Wheaton, Amelia M.; Guzei, Ilia A.; Yao, Bin; Kubatova, Alena; ACS Omega 7 (2022) 7257–7277; doi:10.1021/acsomega.1c07006

data_4519347
_publ_section_title
;
 Hybrid Synthetic and Computational Study of an Optimized, Solvent-Free
 Approach to Curcuminoids
;
_journal_issue                   8
_journal_name_full               'ACS Omega'
_journal_page_first              7257
_journal_page_last               7277
_journal_paper_doi               10.1021/acsomega.1c07006
_journal_volume                  7
_journal_year                    2022
_chemical_formula_moiety         'C24 H24 O4'
_chemical_formula_sum            'C24 H24 O4'
_chemical_formula_weight         376.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2020-07-24
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.16 svn.r6f6c53a7 for OlexSys, GUI svn.r6139)
;
_cell_angle_alpha                90
_cell_angle_beta                 97.249(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.6564(9)
_cell_length_b                   7.9370(7)
_cell_length_c                   22.4894(14)
_cell_measurement_reflns_used    9937
_cell_measurement_temperature    100
_cell_measurement_theta_max      79.504
_cell_measurement_theta_min      5.918
_cell_volume                     1886.9(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  Larry
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0194
_diffrn_reflns_av_unetI/netI     0.0162
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            21248
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         79.493
_diffrn_reflns_theta_min         3.963
_diffrn_source_current           1.1
_diffrn_source_power             0.055
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.8646
_exptl_absorpt_correction_T_min  0.8056
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0710 before and 0.0421 after correction.
The Ratio of minimum to maximum transmission is 0.9318.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_description       plank
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.098
_exptl_crystal_size_mid          0.041
_exptl_crystal_size_min          0.038
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         4040
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0350
_refine_ls_R_factor_gt           0.0334
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0418P)^2^+0.7367P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0865
_refine_ls_wR_factor_ref         0.0879
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3813
_reflns_number_total             4040
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao1c07006_si_003.cif
_cod_data_source_block           stepanova03a
_cod_database_code               4519347
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.933
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C13(H13A,H13B), C14(H14A,H14B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6), C7(H7), C8(H8), C16(H16), C17(H17), C19(H19),
 C20(H20), C22(H22), C23(H23)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C24(H24A,H24B,H24C)
;
_shelx_res_checksum              88458
_shelx_hkl_checksum              43398
_olex2_submission_special_instructions 'No special instructions were received'