(1<i>S</i>,2<i>S</i>,5<i>S</i>,6<i>S</i>)-5,6-Dihydroxy-6-methylcyclohex-3-en-1,2-diyl diacetate
Silvia Russi; Leopoldo Suescun; Alvaro W. Mombrú; Helena Pardo; Raúl A. Mariezcurrena; Margarita Brovetto; Gustavo Seoane; Acta Crystallographica Section C 55 (1999) 1347–1349; doi:10.1107/S0108270199004953

data_2008852
_publ_section_title
;(1<i>S</i>,2<i>S</i>,5<i>S</i>,6<i>S</i>)-5,6-Dihydroxy-6-methylcyclohex-3-en-1,2-diyl
 diacetate
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1347
_journal_page_last               1349
_journal_paper_doi               10.1107/S0108270199004953
_journal_volume                  55
_journal_year                    1999
_chemical_formula_sum            'C11 H16 O6'
_chemical_formula_weight         244.24
_chemical_name_systematic
;
(1S,2S,5S,6S)-6-methyl-5,6-dihydroxycyclohexe-3-en-1,2-diyl diacetate
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.87(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.935(7)
_cell_length_b                   8.656(3)
_cell_length_c                   9.389(3)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      38.71
_cell_measurement_theta_min      29.97
_cell_volume                     638.8(6)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;MSC/AFC Diffractometer Control Software (Molecular Structure Corporation,
 1993)
;
_computing_data_reduction        'MSC/AFC Diffractometer Control Software'
_computing_molecular_graphics    'ZORTEP (Zsolnai & Pritzkow, 1995)'
_computing_publication_material  'PLATON98 (Spek, 1990)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.949
_diffrn_measured_fraction_theta_max 0.949
_diffrn_measurement_device_type  'Rigaku AFC-7S'
_diffrn_measurement_method       \q/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.045
_diffrn_reflns_av_sigmaI/netI    0.052
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            1592
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.19
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.963
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;MSC/AFC Diffractometer Control Software (Molecular Structure Corporation,
 1993)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prismatic
_exptl_crystal_F_000             260
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.165
_refine_ls_extinction_coef       0.088(15)
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         1484
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.060
_refine_ls_R_factor_gt           0.047
_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^)+(0.0782P)^2^+0.1062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.145
_reflns_number_gt                1178
_reflns_number_total             1484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sx1084.cif
_cod_data_source_block           margah
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc w =
1/[\s^2^(Fo^2^)+(0.0782P)^2^+0.1062P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/[\s^2^(Fo^2^)+(0.0782P)^2^+0.1062P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        638.9(6)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2008852
_cod_database_fobs_code          2008852