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_2007212
_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 O7'
_chemical_formula_sum            'C20 H32 O7'
_chemical_formula_weight         384.46
_chemical_melting_point          579(2)
_chemical_name_common            2-deoxy-3epiryanodol
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9913(5)
_cell_length_b                   13.1001(10)
_cell_length_c                   16.6041(10)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    293.0(10)
_cell_measurement_theta_max      40
_cell_measurement_theta_min      30
_cell_volume                     1955.7(2)
_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 (Hall & du Boulay, 1995)
;
_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       '\q/2\q scan'
_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  0.00
_diffrn_reflns_av_sigmaI/netI    0.00
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2203
_diffrn_reflns_reduction_process
;
Equivalent reflections grouped and averaged (Le Page & Gabe, 1979)
;
_diffrn_reflns_theta_max         71.96
_diffrn_reflns_theta_min         4.30
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.807
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         .210
_refine_diff_density_min         -.142
_refine_ls_extinction_coef       0.0032(3)
_refine_ls_extinction_method     SHELXL93_(Sheldrick,_1993)
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_refine_ls_number_reflns         2203
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_refine_ls_restrained_S_obs      1.059
_refine_ls_R_factor_all          0.0313
_refine_ls_R_factor_obs          .0304
_refine_ls_shift/esd_max         -0.001
_refine_ls_shift/esd_mean        <0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0503P)^2^+0.4105P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_obs         .0832
_reflns_number_observed          2134
_reflns_number_total             2203
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            bs1023.cif
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_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 '304-308\%C' was changed to '579(2)'
- 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 '304-308\%C' was changed to '579(2)'
- 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^)+(0.0503P)^2^+0.4105P] 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^)+(0.0503P)^2^+0.4105P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_database_code               2007212
_cod_database_fobs_code          2007212