Highly effective capture and subsequent catalytic transformation of low-concentration CO2 by superbasic guanidines
Zhou, Hui; Chen, Wei; Liu, Ji-Hong; Zhang, Wen-Zhen; Lu, Xiao-Bing; Green Chemistry 22 (2020) 7832–7838; doi:10.1039/D0GC03009K

data_7241409
_publ_section_title
;
 Highly effective capture and subsequent catalytic transformation of
 low-concentration CO2 by superbasic guanidines
;
_journal_issue                   22
_journal_name_full               'Green Chemistry'
_journal_page_first              7832
_journal_page_last               7838
_journal_paper_doi               10.1039/D0GC03009K
_journal_volume                  22
_journal_year                    2020
_chemical_formula_moiety         'C16 H20 N2 O2'
_chemical_formula_sum            'C16 H20 N2 O2'
_chemical_formula_weight         272.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-06-28
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2018.05.18 svn.r3508 for OlexSys, GUI svn.r5497)
;
_audit_update_record
;
2020-10-15 deposited with the CCDC.	2020-10-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.863(4)
_cell_length_b                   7.173(2)
_cell_length_c                   16.464(5)
_cell_measurement_reflns_used    2091
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      22
_cell_measurement_theta_min      2
_cell_volume                     1519.1(8)
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0686
_diffrn_reflns_av_unetI/netI     0.0550
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10022
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.498
_diffrn_reflns_theta_min         2.009
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6120
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2012/1 (Bruker,2012) was used for absorption correction. wR2(int) was 0.1758 before and 0.0609 after correction. The Ratio of minimum to maximum transmission is 0.8208. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_description       block
_exptl_crystal_F_000             584
_refine_diff_density_max         0.138
_refine_diff_density_min         -0.128
_refine_diff_density_rms         0.029
_refine_ls_extinction_coef       0.022(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     131
_refine_ls_number_reflns         1877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0994
_refine_ls_R_factor_gt           0.0472
_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^)+(0.0653P)^2^+0.0692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1486
_reflns_Friedel_coverage         0.000
_reflns_number_gt                983
_reflns_number_total             1877
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0gc03009k2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7241409--7241413.cif.'
_cod_database_code               7241409
_shelx_shelxl_version_number     2014/7
_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: C3(0.5) H3(0.5) C4(0.5) H4A(0.5) H4B(0.5) H4C(0.5) C15(0.5)
 H15A(0.5) H15B(0.5) H15C(0.5)
3.a Ternary CH refined with riding coordinates:
 C3(H3), C13(H13)
3.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C8(H8), C9(H9), C10(H10), C11(H11), C12(H12)
3.c Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              10815
_olex2_submission_special_instructions 'No special instructions were received'