En route to zirconium hydrazides(2−)
Herrmann, Heike; Wadepohl, Hubert; Gade, Lutz H.; Dalton Transactions  (2008) 2111–2119; doi:10.1039/b800682b

data_7003862
_publ_section_title
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 En route to zirconium hydrazides(2&#x2212;)
;
_journal_issue                   16
_journal_name_full               'Dalton Transactions'
_journal_page_first              2111
_journal_page_last               2119
_journal_paper_doi               10.1039/b800682b
_journal_year                    2008
_chemical_formula_sum            'C21 H41 Cl2 N3 Si2 Zr'
_chemical_formula_weight         553.87
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                ga_hh11a
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.690(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.056(2)
_cell_length_b                   21.423(3)
_cell_length_c                   18.016(3)
_cell_measurement_temperature    150(2)
_cell_volume                     5810.5(15)
_computing_cell_refinement       'SAINT (Bruker AXS, 1997-2006)'
_computing_data_collection       'SMART (Bruker AXS, 1997-2003)'
_computing_data_reduction        'SAINT (Bruker AXS, 1997-2006)'
_computing_molecular_graphics    'PLATON (Spek, 1980-2005)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF (Beurskens, 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector (Bruker AXS Smart 1000)'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0557
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            120143
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.35
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.657
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.6838
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2004-2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2320
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.560
_refine_diff_density_min         -0.852
_refine_diff_density_rms         0.105
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     545
_refine_ls_number_reflns         13856
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0804
_refine_ls_R_factor_gt           0.0527
_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^)+(0.0646P)^2^+8.9328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1396
_refine_ls_wR_factor_ref         0.1507
_reflns_number_gt                9446
_reflns_number_total             13856
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800682b.txt
_cod_data_source_block           complex_1
_cod_original_cell_volume        5810.5(14)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7003862
_audit_block_refno               413