1,6-Bis(ferrocenyl)-1,3,5-hexatriyne: Novel Preparation and Structural Study
Xu, Guo-Lin; Xi, Bin; Updegraff, James B.; Protasiewicz, John D.; Ren, Tong; Organometallics 25 (2006) 5213–; doi:10.1021/om0607550

data_4074557
_publ_section_title
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 1,6-Bis(ferrocenyl)-1,3,5-hexatriyne:&#x00A0; Novel Preparation and
 Structural Study
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5213
_journal_paper_doi               10.1021/om0607550
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C26 H18 Br2 Fe2'
_chemical_formula_weight         601.92
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 103.641(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.8530(8)
_cell_length_b                   7.4096(2)
_cell_length_c                   14.3157(5)
_cell_measurement_reflns_used    5788
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35.67
_cell_measurement_theta_min      2.93
_cell_volume                     2149.56(13)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.822
_diffrn_measurement_device_type  'Bruker AXS SMART APEX2 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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0173
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            20206
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         36.16
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    5.078
_exptl_absorpt_correction_T_max  0.5991
_exptl_absorpt_correction_T_min  0.2241
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'AXScale in APEX2 (Bruker, 2004)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.860
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular plate'
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.220
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         4247
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0267
_refine_ls_R_factor_gt           0.0222
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0320P)^2^+2.0450P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0558
_refine_ls_wR_factor_ref         0.0576
_reflns_number_gt                3807
_reflns_number_total             4247
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0607550si20060821_102407.cif
_cod_data_source_block           compd03
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

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      C2/c
_cod_database_code               4074557