Flavonoids from Erythrina schliebenii.
Nyandoro, Stephen S.; Munissi, Joan J. E.; Kombo, Msim; Mgina, Clarence A.; Pan, Fangfang; Gruhonjic, Amra; Fitzpatrick, Paul; Lu, Yu; Wang, Bin; Rissanen, Kari; Erdélyi, Máté; Journal of natural products 80 (2017) 377–383; doi:10.1021/acs.jnatprod.6b00839

data_1545129
_publ_section_title
;
 Flavonoids from Erythrina schliebenii.
;
_journal_issue                   2
_journal_name_full               'Journal of natural products'
_journal_page_first              377
_journal_page_last               383
_journal_paper_doi               10.1021/acs.jnatprod.6b00839
_journal_volume                  80
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C26 H30 O5'
_chemical_formula_sum            'C26 H30 O5'
_chemical_formula_weight         422.50
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-08-11
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.18734(7)
_cell_length_b                   20.1639(2)
_cell_length_c                   21.6358(2)
_cell_measurement_reflns_used    17454
_cell_measurement_temperature    123.01(2)
_cell_measurement_theta_max      76.5490
_cell_measurement_theta_min      4.0580
_cell_volume                     2263.04(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      123.01(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova (Cu) X-ray Source'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0399
_diffrn_reflns_av_unetI/netI     0.0207
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            37765
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.759
_diffrn_reflns_theta_min         2.996
_diffrn_source                   'sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.685
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.905
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_description       plate
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.2241
_exptl_crystal_size_mid          0.0627
_exptl_crystal_size_min          0.0296
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 1834 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.02(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         4761
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0369
_refine_ls_R_factor_gt           0.0348
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0575P)^2^+0.5750P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.0968
_reflns_Friedel_coverage         0.708
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                4524
_reflns_number_total             4761
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np6b00839_si_001.cif
_cod_data_source_block           8
_cod_depositor_comments
'Adding full bibliography for 1545126--1545129.cif.'
_cod_original_cell_volume        2263.04(5)
_cod_database_code               1545129
_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 Ternary CH refined with riding coordinates:
 C9(H9)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C16(H16A,H16B), C21(H21A,H21B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C6(H6), C11(H11), C15(H15), C17(H17), C22(H22)
2.d Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C24(H24A,H24B,H24C), C25(H25A,H25B,
 H25C), C26(H26A,H26B,H26C)
;
_shelx_res_checksum              12900
_shelx_hkl_checksum              54257
_shelx_shelxl_version_number     2016/4
_olex2_submission_special_instructions 'No special instructions were received'