Isolation, Structure Elucidation, and Absolute Configuration of Syncarpic Acid-Conjugated Terpenoids from Rhodomyrtus tomentosa.
Zhang, Ya-Long; Zhou, Xu-Wei; Wu, Lin; Wang, Xiao-Bing; Yang, Ming-Hua; Luo, Jun; Luo, Jian-Guang; Kong, Ling-Yi; Journal of natural products 80 (2017) 989–998; doi:10.1021/acs.jnatprod.6b01005

data_1545318
_publ_section_title
;
 Isolation, Structure Elucidation, and Absolute Configuration of Syncarpic
 Acid-Conjugated Terpenoids from Rhodomyrtus tomentosa.
;
_journal_issue                   4
_journal_name_full               'Journal of natural products'
_journal_page_first              989
_journal_page_last               998
_journal_paper_doi               10.1021/acs.jnatprod.6b01005
_journal_volume                  80
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C30 H42 O3'
_chemical_formula_weight         450.63
_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   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.12360(10)
_cell_length_b                   20.4801(2)
_cell_length_c                   21.9533(2)
_cell_measurement_reflns_used    11521
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      69.4900
_cell_measurement_theta_min      4.0260
_cell_volume                     2753.21(6)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-2013
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      291(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Gemini S Ultra, Agilent Technologies'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0229
_diffrn_reflns_av_unetI/netI     0.0162
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            24865
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         69.693
_diffrn_reflns_theta_min         4.027
_diffrn_source                   'Enhance Ultra (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.528
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.81203
_exptl_absorpt_correction_type   multi-scan
_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)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.087
_exptl_crystal_description       block
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.370
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details
;
 Flack x determined using 1995 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.07(6)
_refine_ls_extinction_coef       0.0057(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         5152
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0415
_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^)+(0.0806P)^2^+0.2289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1234
_refine_ls_wR_factor_ref         0.1271
_reflns_Friedel_coverage         0.726
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.984
_reflns_number_gt                4849
_reflns_number_total             5152
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np6b01005_si_002.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 1545317--1545318.cif.'
_cod_database_code               1545318
_shelx_estimated_absorpt_t_min   0.829
_shelx_estimated_absorpt_t_max   0.893
_shelxl_version_number           2013-4
_shelx_res_checksum              25967
_shelx_hkl_checksum              60727