Structure Modulated Electronic Contributions to Metalloenediyne Reactivity: Synthesis and Thermal Bergman Cyclization of MLX2 Compounds
Sibaprasad Bhattacharyya; Aurora E. Clark; Maren Pink; Jeffrey M. Zaleski; Inorganic Chemistry 48 (2009) 3916–3925; doi:10.1021/ic801116q

data_4302041
_publ_section_title
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Structure Modulated Electronic Contributions to Metalloenediyne Reactivity:
Synthesis and Thermal Bergman Cyclization of MLX2 Compounds
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3916
_journal_page_last               3925
_journal_paper_doi               10.1021/ic801116q
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C14 H20 I2 N2 Zn'
_chemical_formula_sum            'C14 H20 I2 N2 Zn'
_chemical_formula_weight         535.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6823(11)
_cell_length_b                   11.6397(16)
_cell_length_c                   19.385(3)
_cell_measurement_reflns_used    6518
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.7
_cell_volume                     1733.4(4)
_computing_cell_refinement       'SAINT (Bruker, current version)'
_computing_data_collection       'SMART (Bruker, current version)'
_computing_data_reduction        'SAINT (Bruker, current version)'
_computing_molecular_graphics    'XTEL (local library)'
_computing_publication_material  'XCIF (Bruker, 1999), XTEL (local library)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0577
_diffrn_reflns_av_sigmaI/netI    0.0517
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10994
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    4.969
_exptl_absorpt_correction_T_max  0.5228
_exptl_absorpt_correction_T_min  0.4365
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing (1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.052
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'regular block'
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         3.250
_refine_diff_density_min         -0.742
_refine_diff_density_rms         0.234
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         3070
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0442
_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^)+(0.0668P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1054
_refine_ls_wR_factor_ref         0.1093
_reflns_number_gt                2747
_reflns_number_total             3070
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801116q_si_005.cif
_cod_data_source_block           03194
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4302041