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_1546333
_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         'C26 H36 N4 O6 Pd2'
_chemical_formula_sum            'C26 H36 N4 O6 Pd2'
_chemical_formula_weight         713.38
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_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                81.932(7)
_cell_angle_beta                 84.577(7)
_cell_angle_gamma                82.253(7)
_cell_formula_units_Z            4
_cell_length_a                   12.609(3)
_cell_length_b                   12.998(3)
_cell_length_c                   18.154(4)
_cell_measurement_reflns_used    9891
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.18
_cell_measurement_theta_min      2.26
_cell_volume                     2910.3(12)
_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_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0649
_diffrn_reflns_av_unetI/netI     0.0871
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35886
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.959
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.432
_diffrn_reflns_theta_min         2.139
_diffrn_source                   'INCOATEC ImuS micro-focus source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.280
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6477
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction. 
wR2(int) was 0.0671 before and 0.0577 after correction. 
The Ratio of minimum to maximum transmission is 0.8689. 
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.628
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.481
_refine_diff_density_min         -1.045
_refine_diff_density_rms         0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     709
_refine_ls_number_reflns         11497
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0887
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0375P)^2^+11.6691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0998
_refine_ls_wR_factor_ref         0.1112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8251
_reflns_number_total             11497
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc01674c6.cif
_cod_data_source_block           complex_2
_cod_depositor_comments
;

2019-02-08
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C52 H72 N8 O12 Pd4'
_cod_original_formula_weight         1426.77
_cod_original_formula_moiety         '2(C26 H36 N4 O6 Pd2)'
_cod_original_formula_units_Z            2
_cod_original_cell_volume        2910.0(11)
_cod_database_code               1546333
_shelx_estimated_absorpt_t_max   0.841
_shelx_estimated_absorpt_t_min   0.685
_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
 N3-H3
 0.84 with sigma of 0.02
 N4-H4
 0.84 with sigma of 0.02
 N7-H7
 0.84 with sigma of 0.02
 N8-H8
 0.84 with sigma of 0.02
3.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C16(H16A,H16B), C20(H20A,H20B), C24(H24A,H24B), C33(H33A,H33B),
 C42(H42A,H42B), C46(H46A,H46B), C50(H50A,H50B)
3.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3A), C4(H4A), C5(H5), C11(H11), C12(H12), C13(H13), C14(H14),
 C28(H28), C29(H29), C30(H30), C31(H31), C37(H37), C38(H38), C39(H39), C40(H40)
3.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C),
 C22(H22A,H22B,H22C), C26(H26A,H26B,H26C), C34(H34A,H34B,H34C), C35(H35A,H35B,
 H35C), C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C48(H48A,H48B,H48C), C52(H52A,
 H52B,H52C)
;
_shelx_res_checksum              53847
_shelx_shelxl_version_number     2016/6
_olex2_submission_special_instructions 'No special instructions were received'