A peroxochromium complex, TpiPr2Cr(O2)2, obtained by oxidative dehydrative condensation between a dihydroxochromium complex and H2O2 [TpiPr2 = hydrotris(3,5-diisopropylpyrazolyl)borato]Electronic supplementary information (ESI) available: Atomic numbering schemes. See http://www.rsc.org/suppdata/dt/b3/b309762e/
Sugawara, Ken-ichiro; Hikichi, Shiro; Akita, Munetaka; Dalton Transactions  (2003) 4346–; doi:10.1039/b309762e

data_7013536
_publ_section_title
;
 A peroxochromium complex, TpiPr2Cr(O2)2, obtained by oxidative
 dehydrative condensation between a dihydroxochromium complex and H2O2
 [TpiPr2 = hydrotris(3,5-diisopropylpyrazolyl)borato]Electronic
 supplementary information (ESI) available: Atomic numbering schemes.
 See http://www.rsc.org/suppdata/dt/b3/b309762e/
;
_journal_issue                   22
_journal_name_full               'Dalton Transactions'
_journal_page_first              4346
_journal_paper_doi               10.1039/b309762e
_journal_year                    2003
_chemical_formula_moiety         'C37 H74 B Cr N6 O3 '
_chemical_formula_sum            'C37 H74 B Cr N6 O3'
_chemical_formula_weight         713.84
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.537(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1187(2)
_cell_length_b                   23.9459(8)
_cell_length_c                   13.5935(4)
_cell_measurement_reflns_used    26914
_cell_measurement_temperature    213
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.3
_cell_volume                     4266.1(2)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'teXsan Ver. 1.11'
_computing_publication_material  'teXsan Ver. 1.11'
_computing_structure_refinement  SHELXL97
_computing_structure_solution    SHELXS86
_diffrn_detector_area_resol_mean 10.00
_diffrn_measurement_device_type  'Rigaku RAXIS-IV Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            31964
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    0.307
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.898
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Higashi, 1995)'
_exptl_crystal_colour            unknown
_exptl_crystal_density_diffrn    1.111
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       unknown
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.23
_refine_diff_density_min         -1.27
_refine_ls_extinction_coef       0.0000
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.885
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     445
_refine_ls_number_reflns         7759
_refine_ls_R_factor_gt           0.0760
_refine_ls_shift/su_max          0.0020
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^) + (0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2409
_reflns_number_gt                7759
_reflns_number_total             8921
_reflns_threshold_expression     >2.0sigma(I)
_cod_data_source_file            b309762e.txt
_cod_data_source_block           compound_10
_cod_original_formula_sum        'C37 H74 B Cr N6 O3 '
_cod_database_code               7013536