A Synthetic Approach to Chrysophaentin F
Harrowven, David; Vendeville, Jean-Baptiste; Matters, Rebecca; Chen, Anqi; Tizzard, Graham J.; Light, Mark E.; Chai, Christina L. L.; Chemical Communications  (2019) –; doi:10.1039/C9CC01666J

data_7123238
_publ_section_title
;
 A Synthetic Approach to Chrysophaentin F
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC01666J
_journal_year                    2019
_chemical_compound_source        'Jean-Baptiste Vendeville'
_chemical_formula_sum            'C20 H22 O7'
_chemical_formula_weight         374.38
_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
_audit_update_record
;
2019-02-21 deposited with the CCDC.    2019-04-01 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.966(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.898(3)
_cell_length_b                   16.287(4)
_cell_length_c                   8.832(2)
_cell_measurement_reflns_used    4223
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.3
_cell_measurement_theta_min      2.9
_cell_volume                     1832.7(7)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_molecular_graphics
;
Images generated using CrystalMaker: a crystal and molecular 
structures program for Mac and Windows. CrystalMaker Software Ltd, 
Oxford, England (www.crystalmaker.com)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMesh'
_diffrn_radiation_collimation    'Confocal mirrors, HF Varimax '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_sigmaI/netI    0.0781
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8404
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.97
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.9918
_exptl_absorpt_correction_T_min  0.9857
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Jacobson, R. (1998). REQAB. Private communication to the 
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Chip
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         4165
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0919
_refine_ls_R_factor_gt           0.0636
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+0.2319P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1134
_refine_ls_wR_factor_ref         0.1265
_reflns_number_gt                3012
_reflns_number_total             4165
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c9cc01666j2.cif
_cod_data_source_block           2012sot0077
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        1832.8(8)
_cod_original_sg_symbol_H-M      'P 21/C'
_cod_database_code               7123238