Infrared studies on BF4− in alkali halide solid solutions

Bonadeo, H.; Silberman, E.

doi:10.1016/0022-2852(69)90215-x

Cited by 43 publications

(14 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…one, an interstitial (in particular, facecentered) incorporation of both the impurity tetrahedrons and the M2+ cations : then the local symmetry of ITA and the frequencies of vibrational absorption bands should vary within large limits. This is confirmed, for instance, by a complex structure of the IR spectra in the vibration region v3(F,) of the monovalent ITA ReO, in the CsI lattice which, however, is not perturbed by the neutralizing anion vacancy or the M2+ cation and by relaxation of this structure with time [17]. Probably, the interstitial incorporation of M2+ cations a t additional doping of CsI + WOi-and CsI + Moo:-single crystals (by means of adding to the batch 0.1 molyo of BaBr, or SrBr,) results in the formation of complex anion-cation complexes of several types which causes an appearance of new spectra with broad and shifted bands (curves I c and I I c in Fig.…”

Section: Resultsmentioning

confidence: 54%

“…lattices ; therefore, probably, isotopic splitting is not registered here. In [17] two possible positions of the impurity tetrahedron in the b.c.c. cell a t substitution of the halide ion were discussed : position I, the local symmetry is T, (tetrahedral bonds are directed long the diagonal of a cube) ; position I1 when the tetrahedral geometry is not broken but the bonds lie in the planes (200) and (020) b.c.c.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Infrared Absorption and Local Symmetry of WO‐ and MoO Impurity Ions in KI and CsI Crystals

Kondilenko¹,

Pasechny²,

Tsyashchenko³

1972

Physica Status Solidi (b)

View full text Add to dashboard Cite

In the temperature range 120 to 800 °K and frequency range 1000 to 300 cm−1 a study has been made of the infrared absorption spectra of the impurity anions WO 42−‐and MoO 42−‐in KI and CsI single crystals. It is shown that W 42− and MOO 42− form neutral complexes W 42− · M2+ and MoO 42− · M2+ in KI lattice with cations M2+ (Ca2+, Sr2+, Ba2+) similar to the complexes SO 42− · M2+, CrO 42− · M2+ and SeO 42− · M2+ observed earlier in the f.c.c. lattices. Here a lowering of the local symmetry to C2v of the impurity tetrahedrons results in the appearance of triplets in their vibration regions v3(A2) and v4(F2). The fine structure in the infrared spectrum of MoO 42− · M2+ + KI was interpreted to be isotopic. A local symmetry of the impurity WO 42− and MoO 42− in CsI lattice was not identified unequivocally from the IR absorption spectra. The latter have doublet and quartet structure in the vibration regions v1(A1) and v3(F2), respectively, and depend on the impurity tetrahedrons and M2+ cation concentration. One, probably, should assume the interstitial formation of impurities into b.c.c. lattice of CsI which results in the existence of complex anion‐cation neutral complexes of different kinds.

show abstract

Section: Resultsmentioning

confidence: 54%

Section: Resultsmentioning

confidence: 99%

Infrared Absorption and Local Symmetry of WO‐ and MoO Impurity Ions in KI and CsI Crystals

Kondilenko¹,

Pasechny²,

Tsyashchenko³

1972

Physica Status Solidi (b)

View full text Add to dashboard Cite

show abstract

“…aromatic), 1197, 1161 cm À1 (B-F str. BF 4 ), 31 1066 cm À1 (C-O str.) and 3200-3400 cm À1 (adsorbed moisture).…”

Section: Synthesis Of Ionic Solid Complex (Scheme 1)mentioning

confidence: 99%

Hydrogen physisorption in ionic solid compounds with exposed metal cations at room temperature

et al. 2014

View full text Add to dashboard Cite

show abstract

“…[3a] Thed ianions 2-4 proved to be kinetically significantly more stable than their respective tetrahalodiborane counterparts at room temperature.B X 3 is the most common decomposition product of B 2 X 4 and the only one that is easily detectable by 11 [16] ;673r [17] 1375 [16] ;1368r [17] 886;6 26r 843;(850r) [a] ca. 780r [18] ca. 1100 [18] Cl 728;4 01r [19] 917 [19] 554/569; 354r 591/601;6 41r 405r [15b] 670 [15b] Br 592 [20] ;2 45r 777 [20] 498 [b] ;2 14r 498 [b] ;(560/576)r 243r [15b] 605 [15b] I4 93 [2c] ;-710/680 [2c] 464 [b] ;2 00r 464 [b] ;(486/517/534)r -5 17 [15a] [a] Not observed,p redicted value (wb97xd/6-311 + g(d,p)-SMD/PCM) supplied instead.…”

mentioning

confidence: 99%

Hexahalodiborate Dianions: A New Family of Binary Boron Halides

Bélanger‐Chabot

Braunschweig

2019

Angew Chem Int Ed

View full text Add to dashboard Cite

The electron‐precise binary boron subhalide species [B2X6]2− X=F, Br, I) were synthesized and their structures confirmed by X‐ray crystallography. The existence of the previously claimed [B2Cl6]2−, which had been questioned, was also confirmed by X‐ray crystallography. The dianions are isoelectronic to hexahaloethanes, are subhalide analogues of the well‐known tetrahaloborate anions (BX4−), and are rare examples of molecular electron‐precise binary boron species beyond B2X4, BX3, and [BX4]−.

show abstract

Infrared studies on BF4− in alkali halide solid solutions

Cited by 43 publications

References 6 publications

Infrared Absorption and Local Symmetry of WO‐ and MoO Impurity Ions in KI and CsI Crystals

Infrared Absorption and Local Symmetry of WO‐ and MoO Impurity Ions in KI and CsI Crystals

Hydrogen physisorption in ionic solid compounds with exposed metal cations at room temperature

Hexahalodiborate Dianions: A New Family of Binary Boron Halides

Contact Info

Product

Resources

About