Cation binding resorcinarene bis-crowns: the effect of lower rim alkyl chain length on crystal packing and solid lipid nanoparticles
Helttunen, Kaisa; Salorinne, Kirsi; Barboza, Tahnie; Barbosa, Hélène Campos; Suhonen, Aku; Nissinen, Maija; New Journal of Chemistry 36 (2012) 789–; doi:10.1039/c2nj20981k

data_7052863
_publ_section_title
;
 Cation binding resorcinarene bis-crowns: the effect of lower rim alkyl
 chain length on crystal packing and solid lipid nanoparticles
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              789
_journal_paper_doi               10.1039/c2nj20981k
_journal_volume                  36
_journal_year                    2012
_chemical_formula_sum            'C68 H100 O14'
_chemical_formula_weight         1141.48
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                99.948(2)
_cell_angle_beta                 104.812(2)
_cell_angle_gamma                112.067(2)
_cell_formula_units_Z            2
_cell_length_a                   14.0441(5)
_cell_length_b                   16.3664(6)
_cell_length_c                   16.5780(6)
_cell_measurement_reflns_used    6783
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      67.13
_cell_measurement_theta_min      2.89
_cell_volume                     3256.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.909
_diffrn_measured_fraction_theta_max 0.909
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0593
_diffrn_reflns_av_sigmaI/netI    0.0576
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15745
_diffrn_reflns_theta_full        67.13
_diffrn_reflns_theta_max         67.13
_diffrn_reflns_theta_min         2.89
_exptl_absorpt_coefficient_mu    0.641
_exptl_absorpt_correction_T_max  0.9387
_exptl_absorpt_correction_T_min  0.8511
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.335
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     839
_refine_ls_number_reflns         10590
_refine_ls_number_restraints     216
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1294
_refine_ls_R_factor_gt           0.0852
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1171P)^2^+3.9391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2238
_refine_ls_wR_factor_ref         0.2614
_reflns_number_gt                6783
_reflns_number_total             10590
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2nj20981k.txt
_cod_data_source_block           C5
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7052863