Hemichelation, a Way To Stabilize Electron-Unsaturated Complexes: The Case of T-Shaped Pd and Pt Metallacycles.
Christophe Werlé; Corinne Bailly; Lydia Karmazin-Brelot; Xavier-Frédéric Le Goff; Louis Ricard; Jean-Pierre Djukic; Journal of the American Chemical Society 135 (2013) 17839–17852; doi:10.1021/ja4076327

data_4121199
_publ_contact_author_address
;UMR 7177
Universite de Strasbourg
4 rue Blaise Pascal
67000 Strasbourg
FRANCE
;
_publ_contact_author_email       djukic@unistra.fr
_publ_contact_author_name        'Jean-Pierre DJUKIC'
_publ_contact_author_phone       +33(0)368851523
_publ_section_title
;
 Hemichelation, a Way To Stabilize Electron-Unsaturated Complexes: The
 Case of T-Shaped Pd and Pt Metallacycles.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17839
_journal_page_last               17852
_journal_paper_doi               10.1021/ja4076327
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C13 H10 Cr O3'
_chemical_formula_sum            'C13 H10 Cr O3'
_chemical_formula_weight         266.21
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5819(3)
_cell_length_b                   10.7371(4)
_cell_length_c                   12.1553(5)
_cell_measurement_reflns_used    6572
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.98
_cell_measurement_theta_min      3.04
_cell_volume                     1120.05(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8678
_diffrn_reflns_theta_full        32.00
_diffrn_reflns_theta_max         32.00
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    1.012
_exptl_absorpt_correction_T_max  0.7511
_exptl_absorpt_correction_T_min  0.6877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.579
_exptl_crystal_description       prism
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.392
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         3666
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0282
_refine_ls_R_factor_gt           0.0247
_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^)+(0.0371P)^2^+0.2022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0675
_refine_ls_wR_factor_ref         0.0694
_reflns_number_gt                3430
_reflns_number_total             3666
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja4076327_si_002_11.cif
_cod_data_source_block           pR-1
_cod_database_code               4121199