Table 2 Some examples of materials with low IR-modes.

From: High-throughput density functional perturbation theory and machine learning predictions of infrared, piezoelectric, and dielectric responses

Formula

Dimensionality

JID

Spg.

Min. mode (cm−1)

BaSr2I6

3D

JVASP-50964

162

3.4

TlSbSe2

3D

JVASP-56763

4

9.4

Ca2SnS4

3D

JVASP-40157

189

9.9

RbCaI3

3D

JVASP-36914

6

5.1

K3ClO

3D

JVASP-53363

38

18.8

HgI2

2D

JVASP-5224

137

8.4

Nb2Te6I

2D

JVASP-5575

14

14.3

Bi2Se3

2D

JVASP-5215

62

22.5

Ag3SI

2D

JVASP-29974

4

28.3

Sb2S2O

2D

JVASP-30438

12

29.0

Mn(SbS2)2

1D

JVASP-32156

12

13.9

AlTlSe2

1D

JVASP-8210

140

22.5

NbI5

1D

JVASP-5845

14

24.0

BiSeCl

1D

JVASP-32942

62

28.1

SnICl

1D

JVASP-32820

62

29.6

P2Se5

0D

JVASP-5590

14

16.3

Ta(TeBr3)2

0D

JVASP-5662

2

25.3

HgIBr

0D

JVASP-22656

36

28.4

Ga2PdI8

0D

JVASP-5815

12

30.7

AlTeI7

0D

JVASP-5653

7

32.9

  1. Complete data is available in the Supplementary Information. Here Spg. and JID denote spacegroup and JARVIS-ID respectively.