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	hartrees
Energy at 0K	-27589.185091
Energy at 298.15K
HF Energy	-27588.966979
Nuclear repulsion energy	2750.360034

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	182	169	0.00
2	E	89	83	0.00
2	E	89	83	0.00
3	T₂	610	568	24.67
3	T₂	610	568	24.67
3	T₂	610	568	24.67
4	T₂	132	123	0.01
4	T₂	132	123	0.01
4	T₂	132	123	0.01

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
I2	1.288	1.288	1.288
I3	-1.288	-1.288	1.288
I4	-1.288	1.288	-1.288
I5	1.288	-1.288	-1.288

	C1	I2	I3	I4	I5
C1		2.2305	2.2305	2.2305	2.2305
I2	2.2305		3.6424	3.6424	3.6424
I3	2.2305	3.6424		3.6424	3.6424
I4	2.2305	3.6424	3.6424		3.6424
I5	2.2305	3.6424	3.6424	3.6424

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
I2	C1	I3	109.471	I2	C1	I4	109.471
I2	C1	I5	109.471	I3	C1	I4	109.471
I3	C1	I5	109.471	I4	C1	I5	109.471

All results from a given calculation for CI₄ (tetraiodomethane)

using model chemistry: CID/3-21G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CI4 (tetraiodomethane)

using model chemistry: CID/3-21G

States and conformations

All results from a given calculation for CI₄ (tetraiodomethane)