Structure and photoreactivity of stable zwitterionic group 6 metal allenyls
Alicia Santiago; Mar Gomez-Gallego; Carmen Ramirez de Arellano; Miguel A. Sierra; Chemical communications (Cambridge, England) 49 (2013) 1112–1114; doi:10.1039/c2cc38223g

data_7108818
_publ_section_title
;
 Structure and photoreactivity of stable zwitterionic group 6 metal
 allenyls
;
_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1112
_journal_page_last               1114
_journal_paper_doi               10.1039/c2cc38223g
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C38 H45 Fe N2 O2.5'
_chemical_formula_weight         625.61
_chemical_name_systematic
;
?
;
_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                89.969(2)
_cell_angle_beta                 75.748(2)
_cell_angle_gamma                85.623(2)
_cell_formula_units_Z            2
_cell_length_a                   10.7606(10)
_cell_length_b                   12.5977(12)
_cell_length_c                   12.7837(12)
_cell_measurement_reflns_used    1835
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.00
_cell_measurement_theta_min      2.22
_cell_volume                     1674.4(3)
_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  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  '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  0.0607
_diffrn_reflns_av_sigmaI/netI    0.1193
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12955
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.487
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             666
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.827
_refine_diff_density_min         -0.476
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         5745
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.1275
_refine_ls_R_factor_gt           0.0585
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1436
_refine_ls_wR_factor_ref         0.1655
_reflns_number_gt                2778
_reflns_number_total             5745
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc38223g.txt
_cod_data_source_block           AST317b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

2018-09-06
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C76 H90 Fe2 N4 O5'
_cod_original_formula_weight         1251.22
_cod_original_formula_units_Z            1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7108818