The simplest supramolecular helix.
Hanke, Felix; Pugh, Chloe J.; Kay, Ellis F.; Taylor, Joshua B.; Todd, Stephen M.; Robertson, Craig M.; Slater, Benjamin J.; Steiner, Alexander; Chemical communications (Cambridge, England) 54 (2018) 6012–6015; doi:10.1039/c8cc03295e

data_7121729
_publ_section_title
;
 The simplest supramolecular helix.
;
_journal_issue                   47
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              6012
_journal_page_last               6015
_journal_paper_doi               10.1039/c8cc03295e
_journal_volume                  54
_journal_year                    2018
_chemical_formula_moiety         'C5 H13 N'
_chemical_formula_sum            'C5 H13 N'
_chemical_formula_weight         87.16
_chemical_name_common            ethylisopropylamine
_chemical_name_systematic        ethylisopropylamine
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
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_audit_update_record
;
2018-02-28 deposited with the CCDC.
2018-05-24 downloaded from the CCDC.
;
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_diffrn_ambient_temperature      100(2)
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_diffrn_measured_fraction_theta_max 0.903
_diffrn_measurement_device_type  'Bruker Smart Apex'
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_diffrn_reflns_av_R_equivalents  0.0771
_diffrn_reflns_av_unetI/netI     0.0778
_diffrn_reflns_Laue_measured_fraction_full 0.905
_diffrn_reflns_Laue_measured_fraction_max 0.903
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_diffrn_reflns_theta_max         25.515
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_exptl_absorpt_coefficient_mu    0.055
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
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_exptl_crystal_recrystallization_method 'From the Melt'
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.1402
_refine_ls_R_factor_gt           0.0832
_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^)+(0.0708P)^2^+3.4298P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.2534
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_reflns_number_gt                1223
_reflns_number_total             2086
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc03295e2.cif
_cod_data_source_block           NEIPA100K_0m
_cod_depositor_comments
'Adding full bibliography for 7121726--7121736.cif.'
_cod_database_code               7121729
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              97348
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