Reversible CO2 fixation by N-heterocyclic imines forming water-stable zwitterionic nitrogen-base‒CO2 adducts
Wilm, Lukas F. B.; Eder, Tobias; Mück-Lichtenfeld, Christian; Mehlmann, Paul; Wünsche, Marius; Buß, Florenz; Dielmann, Fabian; Green Chemistry 21 (2019) 640–; doi:10.1039/C8GC02952K

data_7232140
_publ_section_title
;
 Reversible CO2 fixation by N-heterocyclic imines forming water-stable
 zwitterionic nitrogen-base--CO2 adducts
;
_journal_issue                   3
_journal_name_full               'Green Chemistry'
_journal_page_first              640
_journal_paper_doi               10.1039/C8GC02952K
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C23 H29 N3'
_chemical_formula_sum            'C23 H29 N3'
_chemical_formula_weight         347.49
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2016-01-15
_audit_creation_method
;
Olex2 1.2
(compiled 2013.11.15 svn.r2834 for OlexSys, GUI svn.r4720)
;
_audit_update_record
;
2018-09-05 deposited with the CCDC.
2019-01-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.5378(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.5296(2)
_cell_length_b                   8.09390(10)
_cell_length_c                   19.7181(4)
_cell_measurement_reflns_used    5883
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.168
_cell_measurement_theta_min      3.006
_cell_volume                     1977.52(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0407
_diffrn_reflns_av_unetI/netI     0.0315
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            22298
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.295
_diffrn_reflns_theta_min         3.519
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9054
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0808 before and 0.0390 after correction.
The Ratio of minimum to maximum transmission is 0.9054.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.167
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     251
_refine_ls_number_reflns         4895
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0657P)^2^+1.0368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1284
_refine_ls_wR_factor_ref         0.1379
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3833
_reflns_number_total             4895
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8gc02952k2.cif
_cod_data_source_block           p21n
_cod_depositor_comments
'Adding full bibliography for 7232134--7232146.cif.'
_cod_database_code               7232140
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: H1A(0.6) H1B(0.4)
3.a Aromatic/amide H refined with riding coordinates:
 C8(H8), C10(H10), C17(H17), C19(H19)
3.b Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C5(H5A,H5B,H5C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C),
 C14(H14A,H14B,H14C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,H23B,
 H23C)
;
_shelx_res_checksum              47877