Mono-N-Protected Amino Acid Ligands Stabilize Dimeric Palladium(II) Complexes of Importance to C-H Functionalization
Gair, Joe J.; Haines, Brandon E.; Filatov, Alexander S.; Musaev, D. G.; Lewis, Jared C.; Chem. Sci.  (2017) –; doi:10.1039/C7SC01674C

data_1546340
_publ_section_title
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 Mono-N-Protected Amino Acid Ligands Stabilize Dimeric Palladium(II)
 Complexes of Importance to C-H Functionalization
;
_journal_name_full               'Chem. Sci.'
_journal_paper_doi               10.1039/C7SC01674C
_journal_year                    2017
_chemical_formula_moiety         '2(C13 H17.5 Cl0.5 N2 O3 Pd)'
_chemical_formula_sum            'C26 H35 Cl N4 O6 Pd2'
_chemical_formula_weight         747.83
_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   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-12-28
_audit_creation_method
;
Olex2 1.2
(compiled 2016.11.30 svn.r3356 for OlexSys, GUI svn.r5269)
;
_audit_update_record
;
2017-04-15 deposited with the CCDC.
2017-06-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.7390(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.2982(5)
_cell_length_b                   16.4180(5)
_cell_length_c                   19.7030(6)
_cell_measurement_reflns_used    9954
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.45
_cell_measurement_theta_min      2.25
_cell_volume                     6199.5(3)
_computing_cell_refinement       'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 v.2015.9-0 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics
;
OLEX2: a complete structure solution, refinement and analysis program 
Dolomanov et al., 2009

Mercury: visualization and analysis of crystal structures
Macrae, et al., 2006

O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann.
J. Appl. Cryst. (2009). 42, 339-341;

C. F. Macrae, P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
M. Towler and J. van de Streek, J. Appl. Cryst. (2006). 39, 453-457.
;
_computing_publication_material
;
 APEX3 v.2015.5-2 (Bruker AXS Inc., 2015)
 OLEX2 (Dolomanov et al., 2009)
;
_computing_structure_refinement  'XL-2014/7 (Sheldrick, 2015b)'
_computing_structure_solution    'XT 2014/5 (Sheldrick, 2015a)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_detector_type            'APEXII CCD area detector'
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker D8 fixed-chi'
_diffrn_measurement_method       'phi rotation'
_diffrn_radiation_collimation    '0.2 mm sinlge-pinhole'
_diffrn_radiation_monochromator  'Silicon 111'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.41328
_diffrn_reflns_av_R_equivalents  0.1001
_diffrn_reflns_av_unetI/netI     0.0708
_diffrn_reflns_Laue_measured_fraction_full 0.986
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            85500
_diffrn_reflns_point_group_measured_fraction_full 0.986
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        14.357
_diffrn_reflns_theta_max         18.875
_diffrn_reflns_theta_min         1.086
_diffrn_source                   synchrotron
_diffrn_source_type
'Insertion Device, Station 15 ID-B, APS, Argonne Nat'l Lab'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.630
_exptl_absorpt_correction_T_max  0.7443
_exptl_absorpt_correction_T_min  0.6334
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/2 (Bruker,2014/2) was used for absorption correction.
wR2(int) was 0.1561 before and 0.0870 after correction.
The Ratio of minimum to maximum transmission is 0.8510.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.602
_exptl_crystal_description       block
_exptl_crystal_F_000             3008
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.058
_refine_diff_density_min         -1.094
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         12148
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0663
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+2.4065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0831
_refine_ls_wR_factor_ref         0.0921
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8921
_reflns_number_total             12148
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc01674c6.cif
_cod_data_source_block           complex_15
_cod_database_code               1546340
_shelx_estimated_absorpt_t_max   0.968
_shelx_estimated_absorpt_t_min   0.938
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N4-H4A
 0.88 with sigma of 0.02
 N2-H2
 0.88 with sigma of 0.02
3. Others
 Fixed Sof: Cl1(0.5) H5(0.5) Cl2(0.5) H18(0.5)
4.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C11(H11A,H11B), C20(H20A,H20B), C24(H24A,H24B)
4.b Aromatic/amide H refined with riding coordinates:
 C2(H2A), C3(H3), C4(H4), C5(H5), C15(H15), C16(H16), C17(H17), C18(H18)
4.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C13(H13A,H13B,H13C), C21(H21A,H21B,H21C),
 C22(H22A,H22B,H22C), C26(H26A,H26B,H26C)
;
_shelx_res_checksum              86055
_shelx_shelxl_version_number     2016/6
_olex2_submission_special_instructions 'No special instructions were received'