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- W2949644182 abstract "Abstract Pentanedinitrile (NC-CH 2 -CH 2 -CH 2 -CN) has been studied by gas-phase electron diffraction (ED) at 448 K. At this temperature the molecules exist as a mixture of about equal parts [ X =0.5(0.2)] of the two conformers AG (having one CN group anti and the other gauche to the central CCC skeleton) and GG (having both CN groups gauche to the CCC skeleton). Assuming that the two conformers differ in their geometries only in their torsion angels o 2–3 and o 3–4 , some of the important distance ( r a ) and angle ∠ α parameters are: r (CC) = 1.544(5), r (CC) = 1.463(4), r (CN) = 1.161(3), r (CH) = 1.105(9) A, ∠ CCC = 110.5(1.1)° and ∠CCC=111.2 (0.5)°. The torsion angles, relative to o 2–3 =o 3–4 =0° for the AA form, are o 2–3 =0° and o 3–4 =114(6)° for AG , while for GG both torsion angles are equal to 114(6)°. Uncertainties are given as 2σ, where σ includes uncertainty due to correlation among observations and parameters used in the data reduction. A small amount of a third conformer AA , which cannot be ruled out conclusively from the ED data, was not detected in the analysis." @default.
- W2949644182 created "2019-06-27" @default.
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- W2949644182 date "1990-02-13" @default.
- W2949644182 modified "2023-09-25" @default.
- W2949644182 title "ChemInform Abstract: Conformation and Molecular Structure of Pentanedinitrile (1,3-Dicyanopropane) Using Gas-Phase Electron Diffraction." @default.
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- W2949644182 doi "https://doi.org/10.1002/chin.199007074" @default.
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