Pyramidalization/twisting of the amide functional group via remote steric congestion triggered by metal coordination.
Adachi, Shinya; Kumagai, Naoya; Shibasaki, Masakatsu; Chemical science 8 (2017) 85–90; doi:10.1039/c6sc03669d

data_1544198
_publ_section_title
;
 Pyramidalization/twisting of the amide functional group via remote steric
 congestion triggered by metal coordination.
;
_journal_issue                   1
_journal_name_full               'Chemical science'
_journal_page_first              85
_journal_page_last               90
_journal_paper_doi               10.1039/c6sc03669d
_journal_volume                  8
_journal_year                    2017
_chemical_formula_moiety         'C46 H42 N6 O2 Pd'
_chemical_formula_sum            'C46 H42 N6 O2 Pd'
_chemical_formula_weight         817.28
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2016-07-20 deposited with the CCDC.
2016-09-23 downloaded from the CCDC.
;
_cell_angle_alpha                101.284(7)
_cell_angle_beta                 100.453(7)
_cell_angle_gamma                102.182(7)
_cell_formula_units_Z            1
_cell_length_a                   8.88787(16)
_cell_length_b                   10.65997(19)
_cell_length_c                   12.1038(2)
_cell_measurement_reflns_used    10321
_cell_measurement_temperature    93
_cell_measurement_theta_max      68.30
_cell_measurement_theta_min      3.83
_cell_volume                     1069.19(7)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.1'
_computing_publication_material  'CrystalStructure 4.2.1 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0638
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            12558
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.248
_diffrn_reflns_theta_min         3.829
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.832
_exptl_absorpt_correction_T_max  0.465
_exptl_absorpt_correction_T_min  0.336
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             422.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.17
_refine_diff_density_min         -0.76
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3851
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0697P)^2^+0.0302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1382
_refine_ls_wR_factor_ref         0.1453
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3289
_reflns_number_total             3851
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c6sc03669d2.cif
_cod_data_source_block           160330adachi3
_cod_depositor_comments
;Adding full bibliography for 1544197--1544204.cif.

 Adding full bibliography for 1544197--1544204.cif.
;
_cod_database_code               1544198
_shelx_res_checksum              78087
_platon_squeeze_void_probe_radius 1.20