Influence of Ring Methylation in Group 15 Tetramethylcyclopentadienyl Complexes, M(C5Me4H)nI3−n(M = As, Sb)†
Chmely, Stephen C.; Hanusa, Timothy P.; Rheingold, Arnold L.; Organometallics 29 (2010) 5551–; doi:10.1021/om100474m

data_4066471
_publ_section_title
;
 Influence of Ring Methylation in Group 15 Tetramethylcyclopentadienyl
 Complexes, M(C5Me4H)nI3&#x2212;n(M = As, Sb)&#x2020;
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              5551
_journal_paper_doi               10.1021/om100474m
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C27 H39 As'
_chemical_formula_weight         438.50
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.8240(10)
_cell_angle_beta                 106.3050(10)
_cell_angle_gamma                110.2700(10)
_cell_formula_units_Z            2
_cell_length_a                   10.5768(9)
_cell_length_b                   10.9950(10)
_cell_length_c                   11.1954(10)
_cell_measurement_temperature    100(2)
_cell_volume                     1163.14(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12294
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    1.471
_exptl_absorpt_correction_T_max  0.8914
_exptl_absorpt_correction_T_min  0.7100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing (1995)'
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.615
_refine_diff_density_min         -0.532
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         4549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0332
_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^)+(0.0525P)^2^+0.6277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0910
_reflns_number_gt                4057
_reflns_number_total             4549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100474m_si_002.cif
_cod_data_source_block           vand50
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4066471