Synthesis and Characterization of Group 4 Permethylpentalene Dichloride Complexes
Cooper, Robert T.; Chadwick, F. Mark; Ashley, Andrew E.; O’Hare, Dermot; Organometallics 32 (2013) 2228–; doi:10.1021/om400103g

data_4080585
_publ_section_title
;
 Synthesis and Characterization of Group 4 Permethylpentalene Dichloride
 Complexes
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2228
_journal_paper_doi               10.1021/om400103g
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C28 H36 Cl4 Ti2'
_chemical_formula_sum            'C28 H36 Cl4 Ti2'
_chemical_formula_weight         610.20
_chemical_melting_point          ?
_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   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             13-01-28
_audit_creation_method           CRYSTALS_ver_14.40
_cell_angle_alpha                83.7249(7)
_cell_angle_beta                 75.9084(7)
_cell_angle_gamma                78.9043(8)
_cell_formula_units_Z            4
_cell_length_a                   10.2516(2)
_cell_length_b                   15.1798(3)
_cell_length_c                   18.8164(3)
_cell_measurement_reflns_used    41221
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      5
_cell_volume                     2780.95(9)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.039
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            41221
_diffrn_reflns_theta_full        26.937
_diffrn_reflns_theta_max         27.486
_diffrn_reflns_theta_min         5.096
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.975
_exptl_absorpt_correction_T_max  0.82
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            clear_intense_red
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.14
_refine_diff_density_min         -1.17
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         12640
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0696
_refine_ls_R_factor_gt           0.0520
_refine_ls_shift/su_max          0.0009641
_refine_ls_shift/su_mean         0.0000198
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 23.4 34.6 16.5 4.20 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1373
_refine_ls_wR_factor_gt          0.1191
_refine_ls_wR_factor_ref         0.1373
_reflns_limit_h_max              13
_reflns_limit_h_min              -12
_reflns_limit_k_max              19
_reflns_limit_k_min              -19
_reflns_limit_l_max              24
_reflns_limit_l_min              0
_reflns_number_gt                9638
_reflns_number_total             12640
_reflns_threshold_expression     I>2.0\s(I)
_oxford_refine_ls_r_factor_ref   0.0696
_oxford_refine_ls_scale          0.3017(2)
_oxford_reflns_number_all        12640
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_oxford_structure_analysis_title arc1592
_cod_data_source_file            om400103g_si_001.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

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      'P -1 '
_cod_database_code               4080585
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S 
RIDE C   (   9,X'S) H   (  91,X'S) H   (  92,X'S) H   (  93,X'S) 
RIDE C   (  10,X'S) H   ( 101,X'S) H   ( 102,X'S) H   ( 103,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) H   ( 112,X'S) H   ( 113,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) H   ( 122,X'S) H   ( 123,X'S) 
RIDE C   (  13,X'S) H   ( 131,X'S) H   ( 132,X'S) H   ( 133,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) H   ( 142,X'S) H   ( 143,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) H   ( 232,X'S) H   ( 233,X'S) 
RIDE C   (  24,X'S) H   ( 241,X'S) H   ( 242,X'S) H   ( 243,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) H   ( 252,X'S) H   ( 253,X'S) 
RIDE C   (  26,X'S) H   ( 261,X'S) H   ( 262,X'S) H   ( 263,X'S) 
RIDE C   (  27,X'S) H   ( 271,X'S) H   ( 272,X'S) H   ( 273,X'S) 
RIDE C   (  28,X'S) H   ( 281,X'S) H   ( 282,X'S) H   ( 283,X'S) 
RIDE C   (  37,X'S) H   ( 371,X'S) H   ( 372,X'S) H   ( 373,X'S) 
RIDE C   (  38,X'S) H   ( 381,X'S) H   ( 382,X'S) H   ( 383,X'S) 
RIDE C   (  39,X'S) H   ( 391,X'S) H   ( 392,X'S) H   ( 393,X'S) 
RIDE C   (  40,X'S) H   ( 401,X'S) H   ( 402,X'S) H   ( 403,X'S) 
RIDE C   (  41,X'S) H   ( 411,X'S) H   ( 412,X'S) H   ( 413,X'S) 
RIDE C   (  42,X'S) H   ( 421,X'S) H   ( 422,X'S) H   ( 423,X'S) 
RIDE C   (  51,X'S) H   ( 511,X'S) H   ( 512,X'S) H   ( 513,X'S) 
RIDE C   (  52,X'S) H   ( 521,X'S) H   ( 522,X'S) H   ( 523,X'S) 
RIDE C   (  53,X'S) H   ( 531,X'S) H   ( 532,X'S) H   ( 533,X'S) 
RIDE C   (  54,X'S) H   ( 541,X'S) H   ( 542,X'S) H   ( 543,X'S) 
RIDE C   (  55,X'S) H   ( 551,X'S) H   ( 552,X'S) H   ( 553,X'S) 
RIDE C   (  56,X'S) H   ( 561,X'S) H   ( 562,X'S) H   ( 563,X'S) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;