Macrocyclic and acyclic molecules synthesized from dipyrrolylmethanes: receptors for anions.
Mani, Ganesan; Guchhait, Tapas; Kumar, Rajnish; Kumar, Shanish; Organic letters 12 (2010) 3910–3913; doi:10.1021/ol101598e

data_1503164
_publ_section_title
;
 Macrocyclic and acyclic molecules synthesized from dipyrrolylmethanes:
 receptors for anions.
;
_journal_issue                   17
_journal_name_full               'Organic letters'
_journal_page_first              3910
_journal_page_last               3913
_journal_paper_doi               10.1021/ol101598e
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C32 H50 N6 O2'
_chemical_formula_weight         550.78
_chemical_name_common            diazacalix[2]diethyldipyrrolylmethane
_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                78.683(13)
_cell_angle_beta                 88.669(13)
_cell_angle_gamma                73.136(13)
_cell_formula_units_Z            2
_cell_length_a                   6.897(5)
_cell_length_b                   11.772(8)
_cell_length_c                   20.837(14)
_cell_measurement_reflns_used    7426
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.37
_cell_measurement_theta_min      1
_cell_volume                     1586.5(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.933
_diffrn_measurement_device_type  'Bruker-APEX-II CCD area detector'
_diffrn_measurement_method       hemisphere
_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  0.0515
_diffrn_reflns_av_sigmaI/netI    0.0691
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            21890
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         1.00
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.977
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.153
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.312
_exptl_crystal_size_mid          0.280
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.399
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         7426
_refine_ls_number_restraints     360
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.1402
_refine_ls_R_factor_gt           0.0693
_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^)+(0.0568P)^2^+0.6746P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1396
_refine_ls_wR_factor_ref         0.1690
_reflns_number_gt                4082
_reflns_number_total             7426
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ol101598e_si_002.cif
_cod_data_source_block           gmtg072_2a.2H2O
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1503164