1970
DOI: 10.1002/cber.19701030906
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Molekül‐ und Kristallstruktur einer Al— N‐Käfigverbindung

Abstract: Die von NGth und Kunrad dargestellte Al-N-Verbindung A14C14[N(CH3)2]4(NCH3)2 kristallisiert in der tetragonalen Raumgruppe Pz21c niit a = 9.81, c = 12.23 a und Z = 2. Die Struktur wurde rontgenographisch bestimmt und bis zu R = 12.4% verfeinert. Das Molekul besitzt Kafiggestalt und hat die Eigensymmetrie 4. Es enthalt sowohl spzals auch sp3hybridisierte an Al gcbundene N-Atome. The Crystal and Molecular Structure of an AI-N Cage CompoundThe A1 -N compound A14C14[N(CH~)*]4(NCH3)*, which was recently prepared by… Show more

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Cited by 18 publications
(8 citation statements)
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“…The shortest Al−N bond in 3 is 1.905(2) Å for Al(1)−N(4). This bond length could be considered a normal covalent bond when compared to the corresponding Al−N bond distances in [AlEt 2 ] 2 [C 10 H 22 N 4 ][AlEt 3 ] 2 (1.906(4) Å), [AlMe 2 ] 2 [C 10 H 20 N 4 ][AlMe 3 ] 2 (1.886(4) Å), and AlCl 4 (μ-NMe 2 ) 2 (μ-NMe 2 ) 4 (1.76 and 1.92 Å) . The Al(1)−N(1) and Al(1)−N(2) bond lengths are 1.925(2) and 1.927(2) Å, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…The shortest Al−N bond in 3 is 1.905(2) Å for Al(1)−N(4). This bond length could be considered a normal covalent bond when compared to the corresponding Al−N bond distances in [AlEt 2 ] 2 [C 10 H 22 N 4 ][AlEt 3 ] 2 (1.906(4) Å), [AlMe 2 ] 2 [C 10 H 20 N 4 ][AlMe 3 ] 2 (1.886(4) Å), and AlCl 4 (μ-NMe 2 ) 2 (μ-NMe 2 ) 4 (1.76 and 1.92 Å) . The Al(1)−N(1) and Al(1)−N(2) bond lengths are 1.925(2) and 1.927(2) Å, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…In addition, mixed imides add further variety to the cage structures. For example, the cores of the compounds (ClAl) 4 (NMe) 2 (NMe 2 ) 4 and (ClAl) 2 (OAl)(MeNAl)(NMe 2 ) 6 are Al 4 N 6 and Al 4 N 5 O cages, respectively, each with an adamantane-like structure ( V ); the structure of (MeNAlMe) 6 (Me 2 AlNHMe) 2 can be derived from a hexagonal prism with two edges being broken to insert two Me 2 AlNHMe bridges ( VI ); and ( i PrNAlH) 2 ( i PrHNAlH 2 ) 3 presents an Al 5 N 5 cage with the structure VII 1 Cages formed by known imidoalanes …”
Section: Introductionmentioning
confidence: 99%
“…143 ± 1 ( /2 = 3600 Hz). LRMS (El): m/z (ion, relative intensity) 327 (M+, 2), 312 (M -CH3+, 1), 226 (M -NH-!-Pr2+, 28), 211 (45), 183 (20), 169 (9), 142 (10), 128 (29), 127 (19), 126 (40), 112 (9), 100 (N-i-Pr2+, 10), 98 (6), 86 (34), 84 (19), 70 (11), 58…”
mentioning
confidence: 99%
“…-4.7 (qqd, Si(CH3)2, Vch = 118.0 Hz, Vcsích = Vcsinh = 1.8 Hz, Vs¡c = 55.3 Hz, 29Si satellites), 18.7 (s, C(CH3)3, Vcc = 31.2 Hz, l3C satellites, Vs¡c = 60.7 Hz, 29Si satellites), 26.8 (q sept., C(CH3)3, Vch = 124.6 Hz, VCH = 5.6 Hz, Vcc = 31.2 Hz, 13C satellites), 41.0 (ttd, SiNCH2, VCH = 133.1 Hz, VCch = Vcnh = 2.5 Hz, Vcc = 39.2 Hz, 13C satellites), 59.4 (tm,N(CH2)3,VCH = 132.3 Hz, Vcc = 38.7 Hz, 13C satellites). 29Si NMR (benzene-*): 7.50; LRMS (El): m/z (ion, relative intensity) 489 ( + H+, 0.05), 473 (M -CH3+, 0.3), 431 (Mí-Bu+, 0.1), 344 (11), 226 (5), 213 (35), 199 (11), 187 (38), 158 (34), 144 (29), 129 (6), 115 (SiMe2-f-Bu+, 7), 100 (13), 88 (10), 73 (SiMe3+, 100), 59 (18), 58 (SiMe2+, 7), 57 11), 44 (10), 43 (10). CIMS (positive ion detection): m/z (ion, relative intensity) 489 ( + H+, 100), 375 (10), 344 (12), 332 (8), 299 (11), Method B.…”
mentioning
confidence: 99%