Synthesis of a highly reactive form of WO2Cl2, its conversion into nanocrystalline mono-hydrated WO3 and coordination compounds with tetramethylurea.
Bortoluzzi, Marco; Evangelisti, Claudio; Marchetti, Fabio; Pampaloni, Guido; Piccinelli, Fabio; Zacchini, Stefano; Dalton transactions (Cambridge, England : 2003) 45 (2016) 15342–; doi:10.1039/c6dt02997c

data_7040579
_publ_section_title
;
 Synthesis of a highly reactive form of WO2Cl2, its conversion into
 nanocrystalline mono-hydrated WO3 and coordination compounds with
 tetramethylurea.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15342
_journal_paper_doi               10.1039/c6dt02997c
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C10 H24 Cl2 N4 O4 W'
_chemical_formula_weight         519.08
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-07-18 deposited with the CCDC.
2016-08-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 113.063(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   14.211(3)
_cell_length_b                   22.418(5)
_cell_length_c                   18.094(4)
_cell_measurement_reflns_used    9808
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.326
_cell_measurement_theta_min      2.3935
_cell_volume                     5304(2)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1996)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0830
_diffrn_reflns_av_sigmaI/netI    0.0599
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            51807
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    6.854
_exptl_absorpt_correction_T_max  0.5194
_exptl_absorpt_correction_T_min  0.3271
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1525 (selected reflections only, before parameter refinement)
 R(int) =  0.0940 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.950
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3024
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         2.445
_refine_diff_density_min         -3.752
_refine_diff_density_rms         0.283
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     569
_refine_ls_number_reflns         10547
_refine_ls_number_restraints     279
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0646
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0918P)^2^+40.6454P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1461
_refine_ls_wR_factor_ref         0.1576
_reflns_number_gt                9056
_reflns_number_total             10547
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt02997c3.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7040578--7040579.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7040579