Supramolecular structures of substituted α,α'-trehalose derivatives
Baddeley, Thomas C.; Glidewell, Christopher; Low, John N.; Skakle, Janet M.S.; Wardell, James L.; Acta Crystallographica Section B 60 (2004) 461–471; doi:10.1107/S0108768104010912

data_2102569
_publ_section_title
;
 Supramolecular structures of substituted \a,\a'-trehalose derivatives
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              461
_journal_page_last               471
_journal_paper_doi               10.1107/S0108768104010912
_journal_volume                  60
_journal_year                    2004
_chemical_formula_moiety         'C24 H36 N2 O15, 2(H2 O)'
_chemical_formula_sum            'C24 H40 N2 O17'
_chemical_formula_weight         628.58
_chemical_name_systematic
;
2,2',3,3'-Tetraacetato-6,6'-bis(N-acetylamino)-\a,\a'-trehalose dihydrate
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.8385(2)
_cell_length_b                   21.8363(8)
_cell_length_c                   8.0831(2)
_cell_measurement_reflns_used    2067
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.49
_cell_volume                     1560.04(8)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD server software (Nonius, 1997)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  Kappa-CCD
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0908
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_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
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_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       10
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_diffrn_reflns_number            13388
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.49
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.960
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_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.338
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_exptl_crystal_description       block
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0967P)^2^+0.0109P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_data_source_file            na5016.cif
_cod_data_source_block           (8)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
;
_cod_database_code               2102569