Reversible Phase Transition of the 1:1 Complexes of 18-Crown-6 with 4-Ethoxyanilinium Perchlorate
Ge, Jia-Zhen; Fu, Xue-Qun; Hang, Tian; Ye, Qiong; Xiong, Ren-Gen; Crystal Growth & Design 10 (2010) 3632–; doi:10.1021/cg100523b

data_4501831
_publ_section_title
;
 Reversible Phase Transition of the 1:1 Complexes of 18-Crown-6 with
 4-Ethoxyanilinium Perchlorate
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3632
_journal_paper_doi               10.1021/cg100523b
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C2.54 H4.57 Cl0.13 N0.13 O1.4'
_chemical_formula_weight         63.74
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.073(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            63
_cell_length_a                   21.183(9)
_cell_length_b                   14.357(6)
_cell_length_c                   17.091(8)
_cell_measurement_reflns_used    11151
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.5010
_cell_measurement_theta_min      3.1072
_cell_volume                     4882(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0665
_diffrn_reflns_av_sigmaI/netI    0.0553
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            52420
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    0.214
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8543
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         0.479
_refine_diff_density_min         -0.675
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         11176
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0926
_refine_ls_R_factor_gt           0.0774
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0507P)^2^+8.6675P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1573
_refine_ls_wR_factor_ref         0.1656
_reflns_number_gt                9659
_reflns_number_total             11176
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100523b_si_002.cif
_cod_data_source_block           new
_cod_original_formula_sum        'C2.54 H4.57 Cl0.13 N0.13 O1.40'
_cod_database_code               4501831