Crystalline products of CO2capture by piperazine aqueous solutions
Fonari, Marina S.; Antal, Sofia; Castañeda, Raúl; Ordonez, Carlos; Timofeeva, Tatiana V.; CrystEngComm 18 (2016) 6282–; doi:10.1039/C6CE01083K

data_7225859
_publ_section_title
;
 Crystalline products of CO2capture by piperazine aqueous solutions
;
_journal_issue                   33
_journal_name_full               CrystEngComm
_journal_page_first              6282
_journal_paper_doi               10.1039/C6CE01083K
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C5 H9 N2 O2, C4 H11 N2'
_chemical_formula_sum            'C9 H20 N4 O2'
_chemical_formula_weight         216.29
_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   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-04-12 deposited with the CCDC.
2016-07-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.194(3)
_cell_length_b                   9.572(5)
_cell_length_c                   18.884(10)
_cell_measurement_reflns_used    1649
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.26
_cell_measurement_theta_min      4.26
_cell_volume                     1119.6(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_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  0.0612
_diffrn_reflns_av_unetI/netI     0.0502
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            9568
_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         25.996
_diffrn_reflns_theta_min         4.258
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.283
_exptl_crystal_description       prism
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.526
_exptl_crystal_size_mid          0.077
_exptl_crystal_size_min          0.067
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 632 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   1.9(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         2193
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0507P)^2^+0.0647P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.1016
_reflns_Friedel_coverage         0.693
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                1782
_reflns_number_total             2193
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01083k1.cif
_cod_data_source_block           PZH-PZCOO
_cod_depositor_comments
'Adding full bibliography for 7225856--7225859.cif.'
_cod_original_cell_volume        1119.7(10)
_cod_database_code               7225859
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.953
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              28386