Exploring Gem-Dimethyl Effect in the Formation of Imine-Based Macrocycles and Cages
Madhu, Suresh; Rashmi, E.; Gonnade, Rajesh G.; Sanjayan, G. J.; New J. Chem. 41 (2017) 8721–8724; doi:10.1039/C7NJ02069D

data_7056452
_publ_section_title
;
 Exploring Gem-Dimethyl Effect in the Formation of Imine-Based Macrocycles
 and Cages
;
_journal_issue                   17
_journal_name_full               'New J. Chem.'
_journal_page_first              8721
_journal_page_last               8724
_journal_paper_doi               10.1039/C7NJ02069D
_journal_volume                  41
_journal_year                    2017
_chemical_formula_moiety         'C78 H78 N8, 2(C H Cl3)'
_chemical_formula_sum            'C80 H80 Cl6 N8'
_chemical_formula_weight         1366.22
_space_group_crystal_system      monoclinic
_space_group_IT_number           13
_space_group_name_Hall           '-P 2yc'
_space_group_name_H-M_alt        'P 1 2/c 1'
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-03-15 deposited with the CCDC.
2017-07-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.2140(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.2039(9)
_cell_length_b                   14.9856(6)
_cell_length_c                   19.4818(8)
_cell_measurement_reflns_used    9924
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.20
_cell_measurement_theta_min      2.31
_cell_volume                     6993.8(5)
_computing_cell_refinement       'SAINT (Bruker, 2016)'
_computing_data_collection       'APEX3 (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2016)'
_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_detector                 'Photon II CPAD Area Detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE Kappa Duo PHOTON II CPAD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirrors'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0789
_diffrn_reflns_av_unetI/netI     0.0642
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            72317
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         89.698
_diffrn_reflns_theta_min         5.184
_diffrn_source                   'micro-focus sealed tube'
_diffrn_source_type              'Incoatech I\mS HB'
_exptl_absorpt_coefficient_mu    2.635
_exptl_absorpt_correction_T_max  0.797
_exptl_absorpt_correction_T_min  0.582
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Bruker, 2016)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.298
_exptl_crystal_description       block
_exptl_crystal_F_000             2872
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: chloroform'
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.117
_refine_diff_density_min         -0.758
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     861
_refine_ls_number_reflns         15946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.1031
_refine_ls_R_factor_gt           0.0592
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0690P)^2^+8.3715P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1402
_refine_ls_wR_factor_ref         0.1615
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10501
_reflns_number_total             15946
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj02069d2.cif
_cod_data_source_block           mo_MC66_0ma_a
_cod_database_code               7056452
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.582
_shelx_estimated_absorpt_t_max   0.797
_shelx_res_checksum              49571