Formation and structural characterization of a five-membered zirconacycloallenoid.
Bender, Georg; Kehr, Gerald; Daniliuc, Constantin G.; Wibbeling, Birgit; Erker, Gerhard; Dalton transactions (Cambridge, England : 2003) 42 (2013) 14673–14676; doi:10.1039/c3dt51497h

data_7021901
_publ_section_title
;
 Formation and structural characterization of a five-membered
 zirconacycloallenoid.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14673
_journal_page_last               14676
_journal_paper_doi               10.1039/c3dt51497h
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C54 H62 Cl4 N2 Zr2'
_chemical_formula_weight         1063.30
_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                96.1130(10)
_cell_angle_beta                 93.6850(10)
_cell_angle_gamma                99.5410(10)
_cell_formula_units_Z            2
_cell_length_a                   8.7664(2)
_cell_length_b                   15.5494(3)
_cell_length_c                   18.6857(6)
_cell_measurement_reflns_used    6368
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      4.08
_cell_volume                     2488.84(11)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.079
_diffrn_reflns_av_sigmaI/netI    0.0707
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23389
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.12
_exptl_absorpt_coefficient_mu    0.671
_exptl_absorpt_correction_T_max  0.9867
_exptl_absorpt_correction_T_min  0.9359
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.443
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     602
_refine_ls_number_reflns         8603
_refine_ls_number_restraints     116
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.1037
_refine_ls_R_factor_gt           0.0715
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+15.2444P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1352
_refine_ls_wR_factor_ref         0.1557
_reflns_number_gt                6393
_reflns_number_total             8603
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51497h.txt
_cod_data_source_block           erk7052
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7021901