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Table 4 Comparison of eigenvalues and eigenvectors of the temperature and pressure induced strain tensors

From: The effect of temperature and pressure on the crystal structure of piperidine

T (255 K versus 2 K)

P (0.22 GPa versus 0.80 GPa)

Eigenvalue

Eigenvector

Eigenvalue

Eigenvector

−0.026281(14)

[0.113 0.000 0.021]

−0.0213(3)

[0.115 0.000 0.016]

−0.019036(10)

[0.000 0.188 0.000]

−0.0186(2)

[0.000 0.190 0.000]

−0.011088(16)

[−0.016 0.000 0.081]

−0.01725(17)

[−0.009 0.000 0.083]

  1. The volume decrease between 255 and 2 K (31.2 Ã…3) is similar to that between 0.22 and 0.80 GPa (30.3 Ã…3). Eigenvector components are given with respect to the direct crystallographic axes at 2 K and 0.22 GPa.
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BMC Chemistry

ISSN: 2661-801X

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