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	hartrees
Energy at 0K	-156.905828
Energy at 298.15K	-156.915089
HF Energy	-156.149992
Nuclear repulsion energy	128.239389

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3158	2998	0.00
2	A₁	3112	2955	0.00
3	A₁	1544	1466	0.00
4	A₁	1190	1130	0.00
5	A₁	1054	1001	0.00
6	A₁	260	247	0.00
7	A₂	1265	1201	0.00
8	A₂	976	926	0.00
9	B₁	1271	1207	0.00
10	B₁	1178	1118	0.00
11	B₁	964	915	0.00
12	B₂	3180	3019	62.80
13	B₂	3112	2955	16.54
14	B₂	1514	1437	6.04
15	B₂	929	882	0.04
16	B₂	623	592	2.14
17	E	3167	3007	28.29
17	E	3167	3007	28.29
18	E	3113	2955	50.55
18	E	3113	2955	50.55
19	E	1504	1428	0.94
19	E	1504	1428	0.94
20	E	1297	1231	2.62
20	E	1297	1231	2.62
21	E	1271	1207	0.43
21	E	1271	1207	0.43
22	E	940	893	3.01
22	E	940	893	3.01
23	E	773	734	0.38
23	E	773	734	0.38

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.066	0.155
C2	0.000	-1.066	0.155
C3	-1.066	0.000	-0.155
C4	1.066	0.000	-0.155
H5	0.000	1.305	1.213
H6	0.000	1.984	-0.420
H7	0.000	-1.305	1.213
H8	0.000	-1.984	-0.420
H9	-1.305	0.000	-1.213
H10	-1.984	0.000	0.420
H11	1.305	0.000	-1.213
H12	1.984	0.000	0.420

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1321	1.5391	1.5391	1.0854	1.0833	2.5971	3.1041	2.1708	2.2682	2.1708	2.2682
C2	2.1321		1.5391	1.5391	2.5971	3.1041	1.0854	1.0833	2.1708	2.2682	2.1708	2.2682
C3	1.5391	1.5391		2.1321	2.1708	2.2682	2.1708	2.2682	1.0854	1.0833	2.5971	3.1041
C4	1.5391	1.5391	2.1321		2.1708	2.2682	2.1708	2.2682	2.5971	3.1041	1.0854	1.0833
H5	1.0854	2.5971	2.1708	2.1708		1.7687	2.6109	3.6730	3.0493	2.5044	3.0493	2.5044
H6	1.0833	3.1041	2.2682	2.2682	1.7687		3.6730	3.9689	2.5044	2.9293	2.5044	2.9293
H7	2.5971	1.0854	2.1708	2.1708	2.6109	3.6730		1.7687	3.0493	2.5044	3.0493	2.5044
H8	3.1041	1.0833	2.2682	2.2682	3.6730	3.9689	1.7687		2.5044	2.9293	2.5044	2.9293
H9	2.1708	2.1708	1.0854	2.5971	3.0493	2.5044	3.0493	2.5044		1.7687	2.6109	3.6730
H10	2.2682	2.2682	1.0833	3.1041	2.5044	2.9293	2.5044	2.9293	1.7687		3.6730	3.9689
H11	2.1708	2.1708	2.5971	1.0854	3.0493	2.5044	3.0493	2.5044	2.6109	3.6730		1.7687
H12	2.2682	2.2682	3.1041	1.0833	2.5044	2.9293	2.5044	2.9293	3.6730	3.9689	1.7687

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.683	C1	C3	H9	110.420
C1	C3	H10	118.725	C1	C4	C2	87.683
C1	C4	H11	110.420	C1	C4	H12	118.725
C2	C3	H9	110.420	C2	C3	H10	118.725
C2	C4	H11	110.420	C2	C4	H12	118.725
C3	C1	C4	87.683	C3	C1	H5	110.420
C3	C1	H6	118.725	C3	C2	C4	87.683
C3	C2	H7	110.420	C3	C2	H8	118.725
C4	C1	H5	110.420	C4	C1	H6	118.725
C4	C2	H7	110.420	C4	C2	H8	118.725
H5	C1	H6	109.285	H7	C2	H8	109.285
H9	C3	H10	109.285	H11	C4	H12	109.285

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/cc-pVTZ

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: MP2=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)