The symmetry of the hydrogen bonds in 6-hydroxy-2-formylfulvene and two N,N Π-diaryl-6aminofulvene-2-aldimines is probed by the NMR technique of isotopic perturbation. Observed deuterium-induced 13 C NMR isotope shifts at several positions can be attributed to a combination of an intrinsic shift and
Isotope effect and hydrogen bonding in crystalline hydrazinium hydrogen oxalate, N2H5HC2O4
β Scribed by J. Lindgren; J. De Villepin; A. Novak
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 293 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Infrared speatra>of hydrazinium hydrogen oxalate, N2H6HC20a, and of its deuterated derivative, N2D6DC20 , have heemstudied at liquid nitrogen temperature in the 3600 to 200 cm-1 range. It appears that t % e symmetric 0.. H.. 0 hydrogen bond of the hydrogen oxslate chains becomes asymmetric
π SIMILAR VOLUMES
The crystal structures of three new diaqua-tetrafluoro-manganate(III) compounds with different organic Ncations have been determined: 2-picoH[MnF 4 (H 2 O) 2 ] 1 (2pico = 2-methyl-pyridine), space group P2 1 /c, a = 9.439, b = 13.662, c = 7.641 A Γ , b = 91.31Β°; R = 0.059; TME-DAH 2 [MnF 4 (H 2 O) 2
## Abstract Hydrogen bonding within the structures of three Schiff bases (**1**β**3**), obtained by condensation of 4βmethoxyβ, 5βmethoxyβ and 4,6βdimethoxysalicylaldehyde with methylamine, was investigated by measuring deuterium and tritium NMR isotope effects. The primary deuterium and tritium is
The tin(II) phosphate, [N(C 2 H 5 NH 3 ) 3 ] 3 Ψ [Sn(PO 4 )(HPO 4 )] 3Ψ 4H 2 O, contains monomeric Sn 2 (PO 4 ) 2 (HPO 4 ) 2 units which form a hydrogen-bonded network with the TREN amine (TREN β«Ψβ¬ N(C 2 H 5 NH 3 ) 3Ψ 3 ); triclinic, space group P1 (no. 2),