Graphene oxide grafted with Pd17Se15 nano-particles generated from a single source precursor as a recyclable and efficient catalyst for C-O coupling in O-arylation at room temperature
Hemant Joshi; Kamal Nayan Sharma; Alpesh K. Sharma; Om Prakash; Ajai Kumar Singh; Chem.Commun. 49 (2013) 7483–; doi:10.1039/c3cc42608d

data_7109632
_publ_section_title
;
 Graphene oxide grafted with Pd17Se15 nano-particles generated from a
 single source precursor as a recyclable and efficient catalyst for C-O
 coupling in O-arylation at room temperature
;
_journal_name_full               Chem.Commun.
_journal_page_first              7483
_journal_paper_doi               10.1039/c3cc42608d
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C15 H16 Cl2 O Pd Se2, C2 H3 N'
_chemical_formula_sum            'C17 H19 Cl2 N O Pd Se2'
_chemical_formula_weight         588.55
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 94.451(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.652(9)
_cell_length_b                   8.153(5)
_cell_length_c                   16.180(10)
_cell_measurement_reflns_used    3839
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.47
_cell_measurement_theta_min      2.53
_cell_volume                     2059(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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.1082
_diffrn_reflns_av_sigmaI/netI    0.0793
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15028
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    4.700
_exptl_absorpt_correction_T_max  0.342
_exptl_absorpt_correction_T_min  0.266
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.899
_exptl_crystal_density_meas      1.899
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1136.0
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.23
_refine_diff_density_max         1.090
_refine_diff_density_min         -1.570
_refine_diff_density_rms         0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.930
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3462
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.930
_refine_ls_R_factor_all          0.0784
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0728P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1210
_refine_ls_wR_factor_ref         0.1344
_reflns_number_gt                2392
_reflns_number_total             3462
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc42608d.txt
_cod_data_source_block           fs11m
_cod_original_cell_volume        2058(2)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7109632