Synthesis and Characterization of Free and Coordinated 1,2,3-Tripnictolide Anions
Turbervill, Robert S. P.; Jupp, Andrew R.; McCullough, Phillip S. B.; Ergöçmen, Doruk; Goicoechea, Jose M.; Organometallics 32 (2013) 2234–; doi:10.1021/om4001296

data_4080603
_publ_contact_author
;
 Dr. J. M. Goicoechea           
 Chemistry Research Laboratory
 University of Oxford
 Mansfield Road
 Oxford
 OX1 3TA
 UK
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_publ_section_title
;
 Synthesis and Characterization of Free and Coordinated
 1,2,3-Tripnictolide Anions
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_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2234
_journal_paper_doi               10.1021/om4001296
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C18 H36 K N2 O6, C14 H10 As3'
_chemical_formula_sum            'C32 H46 As3 K N2 O6'
_chemical_formula_weight         818.57
_chemical_name_systematic
; 
[K(2,2,2-crypt)][As3C2Ph2]
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 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                 101.1230(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4018(1)
_cell_length_b                   17.3110(2)
_cell_length_c                   18.7984(3)
_cell_measurement_reflns_used    4005
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      5.097
_cell_volume                     3640.67(8)
_computing_cell_refinement
;
KappaCCD software "DENZO" (Otwinowski & Minor, 1996)
;
_computing_data_collection
;
KappaCCD software "Collect" (Nonius, 2000)
;
_computing_data_reduction
;
KappaCCD software "DENZO" (Otwinowski & Minor, 1996)
;
_computing_molecular_graphics    'WinGX (Farrugia, 2005)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '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  0.0410
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            7274
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         5.18
_exptl_absorpt_coefficient_mu    2.894
_exptl_absorpt_correction_T_max  0.4222
_exptl_absorpt_correction_T_min  0.3255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.508
_refine_diff_density_min         -0.486
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.440(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         7268
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0421P)^2^+7.8034P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0912
_reflns_number_gt                6930
_reflns_number_total             7268
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om4001296_si_002.cif
_cod_data_source_block           4a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4080603