Submonomer Synthesis of Peptoids Containing trans-inducing N-imino- and N-alkylamino-glycines
Davern, Carolynn M.; Lowe, Brandon D.; Rosfi, Adam; Ison, Elon A.; Proulx, Caroline; Chemical Science  (2021) –; doi:10.1039/D1SC00717C

data_1562464
_publ_section_title
;
 Submonomer Synthesis of Peptoids Containing trans-inducing N-imino- and
 N-alkylamino-glycines
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC00717C
_journal_year                    2021
_chemical_formula_moiety         'C16 H23 N3 O2'
_chemical_formula_sum            'C16 H23 N3 O2'
_chemical_formula_weight         289.37
_chemical_name_common            CD-1-120
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_audit_update_record
;
2021-02-04 deposited with the CCDC.	2021-05-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.3620(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.0726(3)
_cell_length_b                   9.9182(5)
_cell_length_c                   26.1540(12)
_cell_measurement_reflns_used    217
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      25.7871
_cell_measurement_theta_min      3.9864
_cell_volume                     1572.53(13)
_computing_cell_refinement       'APEX3 v2018.1-0 (Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2013.12.0.0'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker-Nonius X8 Kappa APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0361
_diffrn_reflns_av_unetI/netI     0.0490
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            27709
_diffrn_reflns_theta_full        30.58
_diffrn_reflns_theta_max         30.58
_diffrn_reflns_theta_min         2.20
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction 
 --------------------------------------------------------------------------
 Reference: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10.

;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.222
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.338
_exptl_crystal_size_mid          0.246
_exptl_crystal_size_min          0.096
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.196
_refine_ls_abs_structure_details
;
Absolute structuere determination incocnlusive. Light atom structure, molybdenum source.
Flack x determined using 3174 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         9683
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0569
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0375P)^2^+0.1202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0882
_reflns_number_gt                8040
_reflns_number_total             9683
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc00717c3.cif
_cod_data_source_block           rds834
_cod_database_code               1562464
_shelx_res_checksum              54111
_shelx_hkl_checksum              17723