Hydrogen-bonded DeUG x DAN heterocomplex: structure and stability and a scalable synthesis of DeUG with reactive functionality.
Kuykendall, Darrell W.; Anderson, Cyrus A.; Zimmerman, Steven C.; Organic letters 11 (2009) 61–64; doi:10.1021/ol802344w

data_1503721
_publ_contact_author
; 
Scott R. Wilson 
University of Illinois 
School of Chemical Sciences, Box 59-1 
505 South Mathews Avenue 
Urbana, Illinois  61801 
USA 
;
_publ_section_title
;
 Hydrogen-bonded DeUG x DAN heterocomplex: structure and stability and a
 scalable synthesis of DeUG with reactive functionality.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              61
_journal_page_last               64
_journal_paper_doi               10.1021/ol802344w
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C22 H33 N5 O4'
_chemical_formula_sum            'C22 H33 N5 O4'
_chemical_formula_weight         431.53
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
2008-06-26   text and data added, srw 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.0384(7)
_cell_length_b                   16.6403(15)
_cell_length_c                   33.381(3)
_cell_measurement_reflns_used    626
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      20.73
_cell_measurement_theta_min      2.45
_cell_volume                     4465.1(7)
_computing_cell_refinement       'SAINT V7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 V2.0-1 (Bruker, 2004)'
_computing_data_reduction
; 
SAINT V7.23A, XPREP V2005/2, SADABS V2007/4 (Bruker, 2005 & 2007) 
;
_computing_molecular_graphics    'SHELXTL V6.12 (Bruker, 2005)'
_computing_publication_material  'XCIF V6.12 (Bruker, 2005)'
_computing_structure_refinement  'SHELXTL V6.12 (Bruker, 2005)'
_computing_structure_solution    'SHELXTL V6.12 (Bruker, 2005)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Bruker Kappa/ApexII CCD'
_diffrn_measurement_method       'profile data from \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_wavelength_id  ba77bas
_diffrn_reflns_av_R_equivalents  0.3328
_diffrn_reflns_av_sigmaI/netI    0.1625
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            52171
_diffrn_reflns_theta_full        25.38
_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9982
_exptl_absorpt_correction_T_min  0.9875
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SHELXTL/XPREP V2005/2 (Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             1856
_exptl_crystal_id                ba77bas
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (2 1 1) scattering 
planes roughly normal to the spindle axis. 
;
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         4092
_refine_ls_number_restraints     272
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.1977
_refine_ls_R_factor_gt           0.0618
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0527P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1079
_refine_ls_wR_factor_ref         0.1533
_reflns_number_gt                1727
_reflns_number_total             4092
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol802344w_si_003.cif
_cod_data_source_block           ba77bas
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     '-P 2ac 2ab '
_cod_original_sg_symbol_H-M      'P b c a '
_cod_database_code               1503721