The Chloromethylgermyl Complexes (η5-C5H5)M(CO)nGeR2CH2Cl [M = Fe (n= 2), Mo, W (n= 3)]: Rearrangements, Transformations to 1-Germa-3-metallacyclobutanes (η5-C5H4)M(CO)nCH2GeR2, and their Ring-Opening Polymerizations
Apodaca, Paula; Kumar, Mukesh; Cervantes-Lee, Francisco; Sharma, Hemant K.; Pannell, Keith H.; Organometallics 27 (2008) 3136–; doi:10.1021/om800059r

data_4071246
_publ_section_title
;
 The Chloromethylgermyl Complexes (\h5-C5H5)M(CO)nGeR2CH2Cl [M = Fe (n=
 2), Mo, W (n= 3)]: Rearrangements, Transformations to
 1-Germa-3-metallacyclobutanes (\h5-C5H4)M(CO)nCH2GeR2, and their
 Ring-Opening Polymerizations
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3136
_journal_paper_doi               10.1021/om800059r
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C11 H12 Ge Mo O3'
_chemical_formula_weight         360.74
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_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                82.528(2)
_cell_angle_beta                 79.887(2)
_cell_angle_gamma                81.766(2)
_cell_formula_units_Z            4
_cell_length_a                   6.8366(7)
_cell_length_b                   13.3860(15)
_cell_length_c                   14.6784(16)
_cell_measurement_temperature    296(2)
_cell_volume                     1301.2(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0298
_diffrn_reflns_av_sigmaI/netI    0.0593
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5948
_diffrn_reflns_theta_full        23.27
_diffrn_reflns_theta_max         23.27
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    3.262
_exptl_absorpt_correction_T_max  0.8283
_exptl_absorpt_correction_T_min  0.3553
_exptl_crystal_density_diffrn    1.841
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.758
_refine_diff_density_min         -0.485
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.747
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3730
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.747
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0527
_refine_ls_shift/su_max          0.152
_refine_ls_shift/su_mean         0.032
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0701P)^2^+18.1447P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1200
_refine_ls_wR_factor_ref         0.1318
_reflns_number_gt                3107
_reflns_number_total             3730
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800059r-file001.cif
_cod_data_source_block           c:\frames\88pa\work\88pa1m
_cod_database_code               4071246