Table 1 DFT-calculated elastic stiffness tensor values and derived moduli (all values in GPa).

From: Regulating photosalient behavior in dynamic metal-organic crystals

Elastic stiffness constant (GPa)

1

i1

1′

p1

2

2′

c11

17.6

15.7

15.6

15.8

14.6

13.9

c22

23.2

23.3

20.7

12.7

17.4

14.8

c33

16.8

17.4

18.9

21.4

18.8

11.1

c44

2.8

2.1

4.7

4.9

7.5

7.5

c55

7.8

7.2

1.3

1.8

2.9

2.3

c66

0.7

2.0

4.6

3.8

0.5

0.9

Young’s Modulus

9.0 ± 2.7

10.0 ± 1.7

8.1 ± 1.8

11.2 ± 0.4

9.0 ± 3.0

10.1 ± 0.9

Bulk Modulus

11.1 ± 0.1

10.7 ± 0.2

12.0 ± 0.7

9.0 ± 0.7

10.6 ± 0.4

5.7 ± 3.7

Shear Modulus

3.3 ± 1.1

3.7 ± 0.7

2.9 ± 0.7

3.2 ± 0.3

2.8 ± 1.2

2.1 ± 1.4