Pursuing the active species in an aluminium-based Lewis acid system for catalytic Diels-Alder cycloadditions.
Liu, Zhizhou; Ganguly, Rakesh; Vidović, Dragoslav; Dalton transactions (Cambridge, England : 2003) 46 (2017) 753–759; doi:10.1039/c6dt04213a

data_7041439
_publ_section_title
;
 Pursuing the active species in an aluminium-based Lewis acid system for
 catalytic Diels-Alder cycloadditions.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              753
_journal_page_last               759
_journal_paper_doi               10.1039/c6dt04213a
_journal_volume                  46
_journal_year                    2017
_chemical_formula_sum            'C90.8 H95.6 Al2 B Cl17.6 N4 Na'
_chemical_formula_weight         1954.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2016-12-06 deposited with the CCDC.
2016-12-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.6642(16)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.9979(7)
_cell_length_b                   27.9699(11)
_cell_length_c                   20.6231(9)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    153.(2)
_cell_measurement_theta_max      26.2602
_cell_measurement_theta_min      2.3786
_cell_volume                     9794.2(7)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XS, VERSION 2013/1'
_diffrn_ambient_temperature      153.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0711
_diffrn_reflns_av_unetI/netI     0.0998
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            31319
_diffrn_reflns_theta_full        29.19
_diffrn_reflns_theta_max         29.19
_diffrn_reflns_theta_min         2.46
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker KappaCCD'
_exptl_absorpt_coefficient_mu    0.559
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.51
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4038
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.320
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.746
_refine_diff_density_min         -0.667
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     585
_refine_ls_number_reflns         13106
_refine_ls_number_restraints     116
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1093
_refine_ls_R_factor_gt           0.0637
_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^)+(0.0583P)^2^+14.2122P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1443
_refine_ls_wR_factor_ref         0.1686
_reflns_number_gt                8442
_reflns_number_total             13106
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt04213a2.cif
_cod_data_source_block           dv340
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7041437--7041440.cif.
;
_cod_original_formula_sum        'C90.80 H95.60 Al2 B Cl17.60 N4 Na'
_cod_database_code               7041439
_shelx_res_checksum              4031