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	hartrees
Energy at 0K	-156.584777
Energy at 298.15K	-156.594072
HF Energy	-156.096989
Nuclear repulsion energy	127.578033

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3212	2967	0.00
2	A₁	3179	2936	0.00
3	A₁	1620	1496	0.00
4	A₁	1250	1155	0.00
5	A₁	1080	998	0.00
6	A₁	229	211	0.00
7	A₂	1328	1226	0.00
8	A₂	1011	934	0.00
9	B₁	1339	1237	0.00
10	B₁	1237	1142	0.00
11	B₁	1004	928	0.00
12	B₂	3240	2993	97.58
13	B₂	3168	2926	10.66
14	B₂	1581	1460	4.25
15	B₂	948	875	0.05
16	B₂	663	613	2.33
17	E	3224	2978	20.39
17	E	3224	2978	20.39
18	E	3170	2928	69.65
18	E	3170	2928	69.65
19	E	1578	1458	0.39
19	E	1578	1458	0.39
20	E	1379	1273	1.20
20	E	1379	1273	1.20
21	E	1317	1216	0.14
21	E	1317	1216	0.14
22	E	974	900	3.04
22	E	974	900	3.05
23	E	798	737	0.50
23	E	798	737	0.50

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.074	0.135
C2	0.000	-1.074	0.135
C3	-1.074	0.000	-0.135
C4	1.074	0.000	-0.135
H5	0.000	1.382	1.181
H6	0.000	1.967	-0.489
H7	0.000	-1.382	1.181
H8	0.000	-1.967	-0.489
H9	-1.382	0.000	-1.181
H10	-1.967	0.000	0.489
H11	1.382	0.000	-1.181
H12	1.967	0.000	0.489

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1486	1.5431	1.5431	1.0902	1.0894	2.6695	3.1049	2.1898	2.2693	2.1898	2.2693
C2	2.1486		1.5431	1.5431	2.6695	3.1049	1.0902	1.0894	2.1898	2.2693	2.1898	2.2693
C3	1.5431	1.5431		2.1486	2.1898	2.2693	2.1898	2.2693	1.0902	1.0894	2.6695	3.1049
C4	1.5431	1.5431	2.1486		2.1898	2.2693	2.1898	2.2693	2.6695	3.1049	1.0902	1.0894
H5	1.0902	2.6695	2.1898	2.1898		1.7697	2.7634	3.7423	3.0655	2.5016	3.0655	2.5016
H6	1.0894	3.1049	2.2693	2.2693	1.7697		3.7423	3.9345	2.5016	2.9490	2.5016	2.9490
H7	2.6695	1.0902	2.1898	2.1898	2.7634	3.7423		1.7697	3.0655	2.5016	3.0655	2.5016
H8	3.1049	1.0894	2.2693	2.2693	3.7423	3.9345	1.7697		2.5016	2.9490	2.5016	2.9490
H9	2.1898	2.1898	1.0902	2.6695	3.0655	2.5016	3.0655	2.5016		1.7697	2.7634	3.7423
H10	2.2693	2.2693	1.0894	3.1049	2.5016	2.9490	2.5016	2.9490	1.7697		3.7423	3.9345
H11	2.1898	2.1898	2.6695	1.0902	3.0655	2.5016	3.0655	2.5016	2.7634	3.7423		1.7697
H12	2.2693	2.2693	3.1049	1.0894	2.5016	2.9490	2.5016	2.9490	3.7423	3.9345	1.7697

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.246	C1	C3	H9	111.357
C1	C3	H10	118.064	C1	C4	C2	88.246
C1	C4	H11	111.357	C1	C4	H12	118.064
C2	C3	H9	111.357	C2	C3	H10	118.064
C2	C4	H11	111.357	C2	C4	H12	118.064
C3	C1	C4	88.246	C3	C1	H5	111.357
C3	C1	H6	118.064	C3	C2	C4	88.246
C3	C2	H7	111.357	C3	C2	H8	118.064
C4	C1	H5	111.357	C4	C1	H6	118.064
C4	C2	H7	111.357	C4	C2	H8	118.064
H5	C1	H6	108.567	H7	C2	H8	108.567
H9	C3	H10	108.567	H11	C4	H12	108.567

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: CID/6-31G*

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 C4H8 (cyclobutane)

using model chemistry: CID/6-31G*

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)