Achieving conformational control over C-C, C-N and C-O bonds in biaryls, N,N'-diarylureas and diaryl ethers: advantages of a relay axis.
Betson, Mark S; Bracegirdle, Ann; Clayden, Jonathan; Helliwell, Madeleine; Lund, Andrew; Pickworth, Mark; Snape, Timothy J; Worrall, Christopher P; Chemical communications (Cambridge, England)  (2007) 754–756; doi:10.1039/b614618j

data_7101709
_publ_section_title
;
 Achieving conformational control over C-C, C-N and C-O bonds in
 biaryls, N,N'-diarylureas and diaryl ethers: advantages of a relay
 axis.
;
_journal_issue                   7
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              754
_journal_page_last               756
_journal_paper_doi               10.1039/b614618j
_journal_year                    2007
_chemical_absolute_configuration UKN
_chemical_formula_sum            'C22 H29 N3 O2'
_chemical_formula_weight         367.48
_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   25.675(3)
_cell_length_b                   39.811(4)
_cell_length_c                   7.9886(8)
_cell_measurement_reflns_used    3901
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.29
_cell_measurement_theta_min      2.59
_cell_volume                     8165.5(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       49
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            11773
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3168
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         2263
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0383P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0656
_refine_ls_wR_factor_ref         0.0672
_reflns_number_gt                2012
_reflns_number_total             2263
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b614618j.txt
_cod_data_source_block           s2228
_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 
;
_cod_original_sg_symbol_H-M      Fdd2
_cod_database_code               7101709