Water soluble hydrophobic peptoids via a minor backbone modification.
Darapaneni, Chandra Mohan; Kaniraj, Prathap Jeya; Maayan, Galia; Organic & biomolecular chemistry 16 (2018) 1480–1488; doi:10.1039/c7ob02928d

data_7157204
_publ_section_title
;
 Water soluble hydrophobic peptoids via a minor backbone modification.
;
_journal_issue                   9
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1480
_journal_page_last               1488
_journal_paper_doi               10.1039/c7ob02928d
_journal_volume                  16
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C24 H32 N4 O2'
_chemical_formula_sum            'C24 H32 N4 O2'
_chemical_formula_weight         408.53
_chemical_name_common            'Galai6 (Prathap)'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-01-31
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-01-31 deposited with the CCDC.
2018-02-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.8300(2)
_cell_length_b                   14.3780(9)
_cell_length_c                   17.6690(10)
_cell_measurement_reflns_used    1895
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.15
_cell_measurement_theta_min      1.826
_cell_volume                     2243.2(2)
_computing_cell_refinement       'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2006)'
_computing_data_reduction        'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      293.15
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0560
_diffrn_reflns_av_unetI/netI     0.0269
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1895
_diffrn_reflns_point_group_measured_fraction_full 0.571
_diffrn_reflns_point_group_measured_fraction_max 0.571
_diffrn_reflns_theta_full        24.15
_diffrn_reflns_theta_max         24.15
_diffrn_reflns_theta_min         1.826
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.952
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Nonius KappaCCD'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_description       needle
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.106
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
No quotients, so Flack parameter determined by classical intensity fit
;
_refine_ls_abs_structure_Flack   0.0
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         1895
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0576P)^2^+0.3046P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.0961
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    0.000
_reflns_Friedel_fraction_max     0.000
_reflns_number_gt                1714
_reflns_number_total             1895
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob02928d2.cif
_cod_data_source_block           Galai6
_cod_database_code               7157204
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.966
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C17(H17)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B), C13(H13A,H13B), C14(H14A,
 H14B), C15(H15A,H15B)
2.c Me refined with riding coordinates:
 C8(H8A,H8B,H8C), C18(H18A,H18B,H18C)
2.d Aromatic/amide H refined with riding coordinates:
 N1(H1), N4(H4), C1(H1A), C2(H2), C3(H3), C4(H4A), C5(H5), C20(H20), C21(H21),
 C22(H22), C23(H23), C24(H24)
;
_olex2_submission_special_instructions 'No special instructions were received'