Soft diphosphine and diarsine complexes of niobium(v) and tantalum(v) fluorides: synthesis, properties, structures and comparisons with the corresponding chlorides.
Levason, William; Light, Mark E.; Reid, Gillian; Zhang, Wenjian; Dalton transactions (Cambridge, England : 2003) 43 (2014) 9557–9566; doi:10.1039/c4dt01029a

data_7030789
_publ_section_title
;
 Soft diphosphine and diarsine complexes of niobium(v) and tantalum(v)
 fluorides: synthesis, properties, structures and comparisons with the
 corresponding chlorides.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9557
_journal_page_last               9566
_journal_paper_doi               10.1039/c4dt01029a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C22 H35 Cl6 N Nb2 O2 P4'
_chemical_formula_sum            'C22 H35 Cl6 N Nb2 O2 P4'
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;
 ?
;
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_space_group_name_Hall           '-P 2ybc'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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;
CrystalClear-SM Expert 3.1 (Rigaku, 2013)
;
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;
CrystalClear-SM Expert 3.1 (Rigaku, 2013)
;
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;
CrystalClear-SM Expert 3.1 (Rigaku, 2013)
;
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;
Jacobson, R.A. (1998). REQAB. Private communication to the 
 Rigaku Corporation, Tokyo, Japan. 
;
_exptl_crystal_colour            colourless
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
w=1/[\s^2^(Fo^2^)+(0.1245P)^2^+17.2850P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2254
_refine_ls_wR_factor_ref         0.2966
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3128
_reflns_number_total             6683
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           2013rwz912b_ml
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7030785--7030792.cif.
;
_cod_database_code               7030789
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.973
_shelxl_version_number           2013-3
_shelx_res_checksum              7778