Aryl-linked imidazolidin-2-ones as non-peptidic beta-strand mimetics
Charlotte L. Sutherell; Sam Thompson; Richard T. W. Scott; Andrew D. Hamilton; Chem.Commun. 48 (2012) 9834–; doi:10.1039/c2cc34791a

data_7108390
_publ_section_title
;
 Aryl-linked imidazolidin-2-ones as non-peptidic beta-strand mimetics
;
_journal_name_full               Chem.Commun.
_journal_page_first              9834
_journal_paper_doi               10.1039/c2cc34791a
_journal_volume                  48
_journal_year                    2012
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C26 H25 N5 O4'
_chemical_formula_sum            'C26 H25 N5 O4'
_chemical_formula_weight         471.52
_chemical_melting_point          481
_chemical_name_systematic
;
(S)-4-methyl-1-(3-((S)-5-methyl-2-oxo-3-phenylimidazolidin-1-yl)phenyl)-3
-(3-nitrophenyl)imidazolidin-2-one
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 106.0293(7)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.1653(2)
_cell_length_b                   5.43080(10)
_cell_length_c                   19.3601(4)
_cell_measurement_reflns_used    2782
_cell_measurement_temperature    150
_cell_measurement_theta_max      27
_cell_measurement_theta_min      5
_cell_volume                     1128.29(4)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.021
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            4579
_diffrn_reflns_theta_full        27.478
_diffrn_reflns_theta_max         27.478
_diffrn_reflns_theta_min         5.236
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.99
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.18
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.1200
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         2377
_refine_ls_number_restraints     1
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.0003750
_refine_ls_shift/su_mean         0.0000302
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982)
[weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)]
where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax
Method = Robust Weighting (Prince, 1982)
W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^
A~i~ are:
1.14 1.30 1.07 0.412 0.184
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0441
_refine_ls_wR_factor_gt          0.0379
_refine_ls_wR_factor_ref         0.0366
_reflns_limit_h_max              13
_reflns_limit_h_min              -14
_reflns_limit_k_max              7
_reflns_limit_k_min              0
_reflns_limit_l_max              25
_reflns_limit_l_min              0
_reflns_number_gt                2495
_reflns_number_total             2815
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.62
_oxford_diffrn_Wilson_scale      1.69
_oxford_refine_ls_r_factor_ref   0.0348
_oxford_refine_ls_scale          0.8675(16)
_oxford_reflns_number_all        2815
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            c2cc34791a.txt
_cod_data_source_block           RS63
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Direct' changed to 'direct'
according to the built-in table from CIF Core 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_original_sg_symbol_Hall     'P 2yb '
_cod_original_sg_symbol_H-M      'P 1 21 1 '
_cod_database_code               7108390
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S
RIDE C ( 5,X'S) H ( 51,X'S)
RIDE C ( 6,X'S) H ( 61,X'S)
RIDE C ( 7,X'S) H ( 71,X'S)
RIDE C ( 9,X'S) H ( 91,X'S)
RIDE C ( 11,X'S) H ( 111,X'S)
RIDE C ( 12,X'S) H ( 121,X'S) H ( 122,X'S)
RIDE C ( 17,X'S) H ( 171,X'S)
RIDE C ( 18,X'S) H ( 181,X'S)
RIDE C ( 19,X'S) H ( 191,X'S)
RIDE C ( 20,X'S) H ( 201,X'S)
RIDE C ( 21,X'S) H ( 211,X'S)
RIDE C ( 22,X'S) H ( 221,X'S) H ( 222,X'S) H ( 223,X'S)
RIDE C ( 23,X'S) H ( 231,X'S) H ( 232,X'S)
RIDE C ( 24,X'S) H ( 241,X'S)
RIDE C ( 27,X'S) H ( 271,X'S)
RIDE C ( 32,X'S) H ( 321,X'S)
RIDE C ( 33,X'S) H ( 331,X'S)
RIDE C ( 34,X'S) H ( 341,X'S)
RIDE C ( 35,X'S) H ( 351,X'S) H ( 352,X'S) H ( 353,X'S)
END
;
_iucr_refine_instruction_details_restraints
;
NO
REM HREST START (DO NOT REMOVE THIS LINE)
REM HREST END (DO NOT REMOVE THIS LINE)
END
;