Catalytic asymmetric hydrogenation using [2.2]paracyclophane based chiral 1,2,3-triazol-5-ylidene-Pd complex under ambient conditions and 1 atmosphere of H2
Sankararaman, Sethuraman; V, Ramkumar; Dasgupta, Ayan; RSC Adv.  (2015) –; doi:10.1039/C5RA03021H

data_7219594
_publ_section_title
;
 Catalytic asymmetric hydrogenation using [2.2]paracyclophane based chiral
 1,2,3-triazol-5-ylidene-Pd complex under ambient conditions and 1
 atmosphere of H2
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA03021H
_journal_year                    2015
_chemical_formula_sum            'C26 H26 I N3'
_chemical_formula_weight         507.40
_chemical_name_systematic
;

?

;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2012-12-10 deposited with the CCDC.
2015-02-17 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.340(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.3226(17)
_cell_length_b                   7.3433(4)
_cell_length_c                   11.8767(6)
_cell_measurement_reflns_used    6004
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.56
_cell_measurement_theta_min      2.35
_cell_volume                     2265.3(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.889
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            15415
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.68
_diffrn_reflns_theta_min         0.78
_exptl_absorpt_coefficient_mu    1.431
_exptl_absorpt_correction_T_max  0.7628
_exptl_absorpt_correction_T_min  0.6901
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.488
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.672
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         5175
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0694
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0224P)^2^+3.6588P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0759
_refine_ls_wR_factor_ref         0.0872
_reflns_number_gt                3635
_reflns_number_total             5175
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra03021h2.cif
_cod_data_source_block           new
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7219594