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Analysis of X-ray structure, dielectric properties and AC conductivity of (4E)-2-amino-3-cyanobenzo[b]oxocin-6-one

H.A.M. Ali
H.A.M. Ali
 y 
Magdy A. Ibrahim
Magdy A. Ibrahim
   | 07 jun 2016
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Article Category: Research Article
Publicado en línea: 07 jun 2016
Páginas: 386 - 392
Recibido: 16 oct 2015
Aceptado: 15 feb 2016
DOI: https://doi.org/10.1515/msp-2016-0044
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© Wroclaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

The proposed mechanism for the formation 4(E)-ACBO.
The proposed mechanism for the formation 4(E)-ACBO.

Fig. 2

IR spectrum for the powder of 4(E)-ACBO.
IR spectrum for the powder of 4(E)-ACBO.

Fig. 3

XRD pattern for the powder of 4(E)-ACBO.
XRD pattern for the powder of 4(E)-ACBO.

Fig. 4

Frequency dependence of dielectric constant, ∊1, for bulk 4(E)-ACBO at different temperatures.
Frequency dependence of dielectric constant, ∊1, for bulk 4(E)-ACBO at different temperatures.

Fig. 5

Frequency dependence of dielectric loss, £2, for bulk 4(E)-ACBO at different temperatures.
Frequency dependence of dielectric loss, £2, for bulk 4(E)-ACBO at different temperatures.

Fig. 6

Frequency dependence of AC conductivity, σAC, for bulk 4(E)-ACBO at different temperatures.
Frequency dependence of AC conductivity, σAC, for bulk 4(E)-ACBO at different temperatures.

Fig. 7

Temperature dependence of the frequency exponent, s.
Temperature dependence of the frequency exponent, s.

Fig. 8

Temperature dependence of AC conductivity, σAC, for bulk 4(E)-ACBO at different frequencies.
Temperature dependence of AC conductivity, σAC, for bulk 4(E)-ACBO at different frequencies.

Value of ∆EAC for bulk 4(E)-ACBO at different frequencies.

f [kHz]0.1151050100
ΔEAC [eV]0.4490.4220.4150.4020.3420.266

Results of XRD data analysis for the powder of 4(E)-ACBO.

No.dmeasured [Å]2θ°measuredInt. %d calculated [Å ]2θ° calculatedhkl
116.030095.5084945.8415.9285.544001
210.864658.131119.2310.868.134010
310.078938.766199.6610.0698.775011
47.9698811.0924696.417.96411.101002
57.2124712.26157100.007.22812.235110
66.5599513.4866538.36.58413.4371 11
75.7667215.3522613.685.76415.358101
85.6716815.6111112.845.66515.63110
95.5688915.9011010.815.52616.024021
105.4190916.3436412.315.4316.31020
115.0344317.601926.525.03417.602022
124.8235218.3781043.694.82418.375021
134.1439121.4251512.464.14821.4052 13
143.9496222.4925419.693.94722.512 14
153.5894424.7836562.813.57724.8722 15
163.4612125.717306.343.46125.721211
173.3887126.2772736.293.38826.2791 3 2
183.2911127.0710711.453.29227.0642 22
193.1413928.387716.423.14928.3181 16
203.0159329.595038.693.01729.589114
212.838831.487236.252.84231.4521 35
222.3894337.612557.082.38937.616321

Values of WM, WH and τ for bulk 4(E)-ACBO at different temperatures.

T [K]WM [eV]WH [eV]τ [s]
3030.6070.1523.334 ×10–10
3130.5390.1351.475 ×10–10
3330.5320.1331.031 × 10–10
3530.5270.1317.591 × 10–11
3630.4880.1224.917 ×10–11
3730.4610.1153.599 ×10–11
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