2017
DOI: 10.1002/zaac.201700046
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Li4Ba[BN2]2 – Structure and Vibrational Spectra

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Cited by 2 publications
(5 citation statements)
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“…23−26 Moreover, we present first spectroscopic results on the title compound and thermal analyses to assess the suitability of these compounds to act as host structures for sensitized phosphors. 27,29 The local surrounding of both BN 2 3− anions in Sr 6 (BO 3 ) 3 BN 2 is depicted in Figure 2b; it shows that the local surrounding of B3N 2 is very similar to that found in LiMg[BN 2 ] also crystallizing in a tetragonal space group and comprising linear BN 2 dumbbells, 30 in contrast to some others where bent anions were described. Figure 2a displays the arrangement of the BN 2 3− anions in the channel; the B−B distances of 3.51 Å are well beyond covalent interactions.…”
Section: ■ Introductionsupporting
confidence: 75%
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“…23−26 Moreover, we present first spectroscopic results on the title compound and thermal analyses to assess the suitability of these compounds to act as host structures for sensitized phosphors. 27,29 The local surrounding of both BN 2 3− anions in Sr 6 (BO 3 ) 3 BN 2 is depicted in Figure 2b; it shows that the local surrounding of B3N 2 is very similar to that found in LiMg[BN 2 ] also crystallizing in a tetragonal space group and comprising linear BN 2 dumbbells, 30 in contrast to some others where bent anions were described. Figure 2a displays the arrangement of the BN 2 3− anions in the channel; the B−B distances of 3.51 Å are well beyond covalent interactions.…”
Section: ■ Introductionsupporting
confidence: 75%
“…For instance, in Gd 4 (BO 2 )­O 5 F, a B–O bond length of 1.213(1) Å was found . Bonds within the more frequent respective nitride species are somewhat longer, in the regime of those in Li 4 Ba­[BN 2 ] 2 (1.34 Å) or MBa 8 [BN 2 ] 6 (M = Sr, Eu) (1.32 and 1.36 Å) . Recently, Pöttgen et al discussed the coordination polyhedra around BN 2 3– anions of several compounds in comparison to Li 4 Ba­[BN 2 ] 2 . , The local surrounding of both BN 2 3– anions in Sr 6 (BO 3 ) 3 BN 2 is depicted in Figure b; it shows that the local surrounding of B3N 2 is very similar to that found in LiMg­[BN 2 ] also crystallizing in a tetragonal space group and comprising linear BN 2 dumbbells, in contrast to some others where bent anions were described.…”
Section: Resultsmentioning
confidence: 99%
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“…[17][18] The comparison of the wavenumbers of stretching modes for the outermost (N�N) and the inner (NÀ N) bonds shows a slight but significant shift to higher wavenumbers in favor of the Ba compound. These observation are in good accordance with previous reports [37,38] and can be explained by reduction of partial negative charge on the [Au(N 3 ) 4 ] À groups by the positive counterions which in turn will give rise to an increase of the (NÀ N) frequencies and force constants (counterion effect). The effect is more pronounced in presence of strong electropositive small cations with high positive charges.…”
Section: Vibrational Spectroscopysupporting
confidence: 93%