3D/2D Hydrogen-Bond Network Preferences for Five New Ryanoid Derivatives
Drouin, Marc; Dodier, Marco; Ruest, Luc; Acta Crystallographica Section C 54 (1998) 687–693; doi:10.1107/S0108270197016843

data_2007213
_publ_section_title
;
 3D/2D Hydrogen-Bond Network Preferences for Five New Ryanoid
 Derivatives
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              687
_journal_page_last               693
_journal_paper_doi               10.1107/S0108270197016843
_journal_volume                  54
_journal_year                    1998
_chemical_formula_moiety         'C20 H32 O6, 1.5H2 O'
_chemical_formula_sum            'C20 H35 O7.5'
_chemical_formula_weight         395.49
_chemical_melting_point          491.6(15)
_chemical_name_common            2,3-dideoxy-2,3-dihydroryanodol
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           23
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'I 2 2'
_symmetry_space_group_name_H-M   'I 2 2 2'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.9140(5)
_cell_length_b                   18.1678(13)
_cell_length_c                   25.326(2)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      40
_cell_measurement_theta_min      30
_cell_volume                     4101.5(5)
_computing_cell_refinement       'NRCCAD TRUANG'
_computing_data_collection
;
NRCCAD DATCOL (NRCCAD: Le Page, White & Gabe, 1986)
;
_computing_data_reduction
;
NRCVAX DATRD2  (NRCVAX: Gabe, Le Page, Charland, Lee & White, 1989)
;
_computing_molecular_graphics    'NRCVAX ORTEP, Xtal_GX ORTEP'
_computing_publication_material  'SHELXL-93 ACTA'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution
;
SIR92 (Altomare, Cascarano, Giacovazzo & Guagliardi, 1993)
;
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Nonius CAD-4'
_diffrn_measurement_method       '2\q/\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.020
_diffrn_reflns_av_sigmaI/netI    0.020
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            5597
_diffrn_reflns_reduction_process
;
Equivalent reflections grouped and averaged (Le Page & Gabe, 1979)
;
_diffrn_reflns_theta_max         71.87
_diffrn_reflns_theta_min         2.99
_diffrn_standards_decay_%        <1%
_diffrn_standards_interval_time  60
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.80
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.886
_exptl_absorpt_correction_type
;
empirical via \y scans on 9 azumital reflections
(NRCCAD: Le Page, White & Gabe, 1986)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_meas      ?
_exptl_crystal_description       'thin plate'
_exptl_crystal_F_000             1720
_exptl_crystal_size_max          .40
_exptl_crystal_size_mid          .30
_exptl_crystal_size_min          .02
_refine_diff_density_max         .239
_refine_diff_density_min         -.201
_refine_ls_extinction_coef       0.00025(6)
_refine_ls_extinction_method     SHELXL93_(Sheldrick,_1993)
_refine_ls_goodness_of_fit_all   1.024
_refine_ls_goodness_of_fit_obs   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4020
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_restrained_S_obs      1.035
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_obs          .0390
_refine_ls_shift/esd_max         0.006
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0754P)^2^+0.3481P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1080
_refine_ls_wR_factor_obs         .1039
_reflns_number_observed          3665
_reflns_number_total             4020
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            bs1023.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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:

'_chemical_melting_point' value '217-220\%C' was changed to
'491.6(15)' - it was converted from degrees Celsius(C) to Kelvins(K),
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '217-220\%C' was changed to
'491.6(15)' - it was converted from degrees Celsius(C) to Kelvins(K),
the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc w =
1/[\s^2^(Fo^2^)+(0.0754P)^2^+0.3481P] 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^)+(0.0754P)^2^+0.3481P] 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        4101.3(5)
_cod_database_code               2007213
_cod_database_fobs_code          2007213