Isolation of gravimetrically quantifiable alkali metal arenides using 18-crown-6
Castillo, Maximiliano; Metta-Magaña, Alejandro J.; Fortier, Skye; New J. Chem. 40 (2016) 1923–; doi:10.1039/C5NJ02841H

data_7055228
_publ_section_title
;
 Isolation of gravimetrically quantifiable alkali metal arenides using
 18-crown-6
;
_journal_issue                   3
_journal_name_full               'New J. Chem.'
_journal_page_first              1923
_journal_paper_doi               10.1039/C5NJ02841H
_journal_volume                  40
_journal_year                    2016
_chemical_formula_moiety
;
K H24 C12 O6, 2(C4 H8 O), C14 H10
;
_chemical_formula_sum            'C34 H50 K O8'
_chemical_formula_weight         625.84
_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'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-10-13 deposited with the CCDC.
2015-12-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.4700(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.0082(8)
_cell_length_b                   18.1719(11)
_cell_length_c                   15.3774(10)
_cell_measurement_reflns_used    6599
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.45
_cell_measurement_theta_min      2.24
_cell_volume                     3359.0(4)
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \o scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0433
_diffrn_reflns_av_unetI/netI     0.0705
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            35792
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.534
_diffrn_reflns_theta_min         1.433
_diffrn_source                   'fine-focus tube, MoK\a'
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6643
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue-purple
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_description       block
_exptl_crystal_F_000             1348
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.326
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.42(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     776
_refine_ls_number_reflns         14982
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0754
_refine_ls_R_factor_gt           0.0444
_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^)+(0.0329P)^2^+0.2748P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0767
_refine_ls_wR_factor_ref         0.0878
_reflns_Friedel_coverage         0.939
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                11167
_reflns_number_total             14982
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5nj02841h2.cif
_cod_data_source_block           942SF_0mS_a
_cod_depositor_comments
'Adding full bibliography for 7055227--7055237.cif.'
_cod_database_code               7055228
_shelxl_version_number           2014/6
_shelx_res_checksum              37182