#------------------------------------------------------------------------------
#$Date: 2016-02-16 02:10:39 +0100 (mar 16 de feb de 2016) $
#$Revision: 176453 $
#$URL: svn://www.crystallography.net/cod/cif/7/02/72/7027232.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the Crystal Eye server at
# http://wwmm.ch.cam.ac.uk/crystaleye/, created by Nick Day at the
# Peter Murray-Rust laboratory.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_7027232
loop_
_publ_author_name
'Davies, Maxwell K.'
'Durrant, Marcus C.'
'Levason, William'
'Reid, Gillian'
'Richards, Raymond L.'
_publ_contact_author
;
    Dr Gillian Reid
    Departmnet of Chemistry
    University of Southampton
    Highfield
    Southampton
    SO17 1BJ
;
_publ_section_title
;
 Synthesis, spectroscopic and structural studies on transition metal
 carbonyl complexes of cyclic di- and tetra-selenoether ligands
;
_journal_issue                   7
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1077
_journal_paper_doi               10.1039/a809853k
_journal_year                    1999
_chemical_compound_source        'cooling a CHCl₃/hexane mixture'
_chemical_formula_moiety         'C10 H12 O4 Se2 W '
_chemical_formula_structural     '[W(CO)~4~([8]aneSe~2~)]'
_chemical_formula_sum            'C10 H12 O4 Se2 W'
_chemical_formula_weight         537.97
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_audit_creation_date             'Tue Jan  5 17:04:31 1999'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.861(2)
_cell_length_b                   9.978(1)
_cell_length_c                   10.715(2)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    150.0
_cell_measurement_theta_max      26.8
_cell_measurement_theta_min      20.5
_cell_volume                     1375.0(4)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        teXsan
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_computing_structure_solution    'DIRDIF92 (PATTY)'
_diffrn_ambient_temperature      150.0
_diffrn_measurement_device       AFC7S
_diffrn_measurement_method       'omega/2-theta scans'
_diffrn_orient_matrix_UB_11      0.06459
_diffrn_orient_matrix_UB_12      0.04341
_diffrn_orient_matrix_UB_13      0.03263
_diffrn_orient_matrix_UB_21      0.01936
_diffrn_orient_matrix_UB_22      -0.08527
_diffrn_orient_matrix_UB_23      0.04317
_diffrn_orient_matrix_UB_31      0.03871
_diffrn_orient_matrix_UB_32      -0.02980
_diffrn_orient_matrix_UB_33      -0.07604
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           MoKalpha
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.00
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1421
_diffrn_reflns_theta_max         24.99
_diffrn_standards_decay_%        -1.58
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    13.705
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.328
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   psi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.599
_exptl_crystal_density_meas      ?
_exptl_crystal_description       rod
_exptl_crystal_F_000             984.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.070
_refine_diff_density_max         1.04
_refine_diff_density_min         -1.83
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.976
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     88
_refine_ls_number_reflns         956
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          0.0352
_refine_ls_shift/esd_max         0.0012
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_obs         0.0398
_reflns_number_observed          956
_reflns_number_total             1421
_reflns_observed_criterion       2.00
_cod_data_source_file            809853ksup1.cif
_cod_data_source_block           mkdw
_cod_depositor_comments
;
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_cell_volume        1375.0(3)
_cod_original_sg_symbol_H-M      'P n m a    '
_cod_original_formula_sum        'C10 H12 O4 Se2 W '
_cod_database_code               7027232
loop_
_symmetry_equiv_pos_as_xyz
'   +x,   +y,   +z'
1/2+x,1/2-y,1/2-z
'   -x,1/2+y,   -z'
'1/2-x,   -y,1/2+z'
'   -x,   -y,   -z'
1/2-x,1/2+y,1/2+z
'   +x,1/2-y,   +z'
'1/2+x,   +y,1/2-z'
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
W(1) 0.0235(4) 0.0346(4) 0.0289(4) 0.0000 0.0029(3) 0.0000
Se(1) 0.0501(9) 0.0378(8) 0.0416(8) -0.0096(7) 0.0108(6) -0.0009(6)
O(1) 0.038(10) 0.11(1) 0.06(1) 0.0000 -0.025(8) 0.0000
O(2) 0.070(8) 0.059(7) 0.069(7) -0.015(6) 0.021(6) 0.017(6)
O(3) 0.07(1) 0.07(1) 0.056(10) 0.0000 -0.044(9) 0.0000
C(1) 0.03(1) 0.06(1) 0.04(1) 0.0000 0.017(9) 0.0000
C(2) 0.049(9) 0.056(9) 0.029(7) -0.003(8) 0.009(6) 0.012(7)
C(3) 0.03(1) 0.05(1) 0.04(1) 0.0000 0.014(10) 0.0000
C(4) 0.037(9) 0.11(1) 0.043(9) -0.037(10) -0.006(7) -0.010(9)
C(5) 0.01(1) 0.18(3) 0.04(1) 0.0000 0.004(9) 0.0000
C(6) 0.03(1) 0.11(2) 0.03(1) 0.0000 -0.005(9) 0.0000
C(7) 0.041(9) 0.059(10) 0.044(8) -0.002(7) 0.004(7) 0.012(7)
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
W(1) 0.11916(6) 0.2500 0.08676(7) 0.0290(2) Uij
Se(1) 0.2311(1) 0.4253(1) -0.0415(1) 0.0431(4) Uij
O(1) -0.084(1) 0.2500 -0.086(1) 0.071(6) Uij
O(2) 0.0008(9) 0.0280(10) 0.237(1) 0.066(4) Uij
O(3) 0.279(1) 0.2500 0.314(1) 0.067(5) Uij
C(1) -0.007(1) 0.2500 -0.034(2) 0.042(6) Uij
C(2) 0.045(1) 0.112(1) 0.181(1) 0.045(4) Uij
C(3) 0.228(1) 0.2500 0.229(2) 0.040(6) Uij
C(4) 0.378(1) 0.381(2) -0.004(1) 0.064(5) Uij
C(5) 0.421(2) 0.2500 -0.055(2) 0.078(9) Uij
C(6) 0.186(2) 0.2500 -0.260(2) 0.056(7) Uij
C(7) 0.232(1) 0.381(1) -0.224(1) 0.048(4) Uij
H(1) 0.4218 0.4520 -0.0360 0.0728 Uiso
H(2) 0.3875 0.3775 0.0842 0.0728 Uiso
H(3) 0.4105 0.2500 -0.1439 0.0801 Uiso
H(4) 0.4965 0.2500 -0.0424 0.0801 Uiso
H(5) 0.1174 0.2500 -0.2243 0.0568 Uiso
H(6) 0.1778 0.2500 -0.3496 0.0568 Uiso
H(7) 0.1969 0.4503 -0.2705 0.0550 Uiso
H(8) 0.3036 0.3798 -0.2544 0.0550 Uiso
loop_
_atom_type_symbol
_atom_type_oxidation_number
_atom_type_number_in_cell
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
W 0 4 -0.849 6.872 'International Tables'
Se 0 8 -0.093 2.226 'International Tables'
O 0 16 0.011 0.006 'International Tables'
C 0 40 0.003 0.002 'International Tables'
H 0 48 0.000 0.000 'International Tables'
loop_
_diffrn_standard_refln_index_h
_diffrn_standard_refln_index_k
_diffrn_standard_refln_index_l
3 -1 -4
0 2 -4
1 -3 -3
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_publ_flag
Se(1) W(1) Se(1) 82.62(6) yes
Se(1) W(1) C(1) 95.9(4) yes
Se(1) W(1) C(2) 176.0(4) yes
Se(1) W(1) C(2) 93.9(4) yes
Se(1) W(1) C(3) 90.8(4) yes
Se(1) W(1) C(1) 95.9(4) yes
Se(1) W(1) C(2) 93.9(4) yes
Se(1) W(1) C(2) 176.0(4) yes
Se(1) W(1) C(3) 90.8(4) yes
C(1) W(1) C(2) 86.4(5) yes
C(1) W(1) C(3) 171.0(7) yes
C(2) W(1) C(2) 89.5(8) yes
C(2) W(1) C(3) 87.2(5) yes
W(1) Se(1) C(4) 105.3(4) yes
W(1) Se(1) C(7) 111.4(4) yes
C(4) Se(1) C(7) 98.4(6) yes
W(1) C(1) O(1) 171(1) yes
W(1) C(2) O(2) 179(1) yes
W(1) C(3) O(3) 173(1) yes
Se(1) C(4) C(5) 118(1) yes
C(4) C(5) C(4) 117(1) yes
C(7) C(6) C(7) 123(1) yes
Se(1) C(7) C(6) 116(1) yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
W(1) Se(1) 2.650(1) yes
W(1) C(1) 2.08(2) yes
W(1) C(2) 1.96(1) yes
W(1) C(2) 1.96(1) yes
W(1) C(3) 2.07(2) yes
Se(1) C(4) 1.98(2) yes
Se(1) C(7) 2.01(1) yes
O(1) C(1) 1.13(2) yes
O(2) C(2) 1.17(1) yes
O(3) C(3) 1.12(2) yes
C(4) C(5) 1.53(2) yes
C(6) C(7) 1.49(2) yes
