Mechanism-based design of labile precursors for chromium(I) chemistry
Eser S. Akturk; Glenn P. A. Yap; Klaus H. Theopold; Chem.Commun. 51 (2015) 15402–; doi:10.1039/C5cc05993C

data_7117918
_publ_section_title
;
 Mechanism-based design of labile precursors for chromium(I) chemistry
;
_journal_name_full               Chem.Commun.
_journal_page_first              15402
_journal_paper_doi               10.1039/C5cc05993C
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C68 H124 B2 Cr2 N14 O2'
_chemical_formula_weight         1295.42
_chemical_name_systematic
; 
 ? 
;
_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
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2015-04-07 deposited with the CCDC.
2015-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                75.376(3)
_cell_angle_beta                 73.639(3)
_cell_angle_gamma                68.607(3)
_cell_formula_units_Z            1
_cell_length_a                   9.7601(9)
_cell_length_b                   12.9429(11)
_cell_length_c                   17.3259(15)
_cell_measurement_reflns_used    8897
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.10
_cell_measurement_theta_min      2.28
_cell_volume                     1927.7(3)
_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-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0562
_diffrn_reflns_av_unetI/netI     0.0471
_diffrn_reflns_laue_measured_fraction_full 1.000
_diffrn_reflns_laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            50918
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.050
_diffrn_reflns_theta_min         1.714
_exptl_absorpt_coefficient_mu    0.331
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.7043
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX2 (Bruker, 2007)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.116
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.558
_exptl_crystal_size_mid          0.480
_exptl_crystal_size_min          0.406
_refine_diff_density_max         0.588
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.058
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         9150
_refine_ls_number_restraints     186
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0747
_refine_ls_R_factor_gt           0.0536
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0624P)^2^+1.3211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1292
_refine_ls_wR_factor_ref         0.1435
_reflns_Friedel_coverage         0.000
_reflns_friedel_fraction_full    .
_reflns_friedel_fraction_max     .
_reflns_number_gt                7101
_reflns_number_total             9150
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc05993c2.cif
_cod_data_source_block           kla0596
_cod_database_code               7117918
_shelx_estimated_absorpt_t_min   0.837
_shelx_estimated_absorpt_t_max   0.877
_shelxl_version_number           2013-4
_shelx_res_checksum              8658