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	hartrees
Energy at 0K	-156.811200
Energy at 298.15K	-156.820470
HF Energy	-156.133893
Nuclear repulsion energy	127.433786

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3156	2994	0.00
2	A₁	3106	2947	0.00
3	A₁	1543	1464	0.00
4	A₁	1194	1132	0.00
5	A₁	1055	1001	0.00
6	A₁	267	253	0.00
7	A₂	1258	1194	0.00
8	A₂	973	923	0.00
9	B₁	1274	1209	0.00
10	B₁	1173	1113	0.00
11	B₁	966	916	0.00
12	B₂	3184	3021	80.34
13	B₂	3101	2942	13.57
14	B₂	1510	1432	5.95
15	B₂	928	880	0.04
16	B₂	630	597	2.04
17	E	3169	3006	23.74
17	E	3169	3006	23.74
18	E	3102	2943	61.47
18	E	3102	2943	61.47
19	E	1502	1425	0.71
19	E	1502	1425	0.71
20	E	1305	1238	2.73
20	E	1305	1238	2.73
21	E	1268	1203	0.38
21	E	1268	1203	0.38
22	E	940	892	3.01
22	E	940	892	3.01
23	E	776	736	0.41
23	E	776	736	0.41

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.072	0.155
C2	0.000	-1.072	0.155
C3	-1.072	0.000	-0.155
C4	1.072	0.000	-0.155
H5	0.000	1.318	1.221
H6	0.000	1.996	-0.428
H7	0.000	-1.318	1.221
H8	0.000	-1.996	-0.428
H9	-1.318	0.000	-1.221
H10	-1.996	0.000	0.428
H11	1.318	0.000	-1.221
H12	1.996	0.000	0.428

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1438	1.5474	1.5474	1.0941	1.0926	2.6168	3.1225	2.1865	2.2816	2.1865	2.2816
C2	2.1438		1.5474	1.5474	2.6168	3.1225	1.0941	1.0926	2.1865	2.2816	2.1865	2.2816
C3	1.5474	1.5474		2.1438	2.1865	2.2816	2.1865	2.2816	1.0941	1.0926	2.6168	3.1225
C4	1.5474	1.5474	2.1438		2.1865	2.2816	2.1865	2.2816	2.6168	3.1225	1.0941	1.0926
H5	1.0941	2.6168	2.1865	2.1865		1.7834	2.6358	3.7014	3.0725	2.5196	3.0725	2.5196
H6	1.0926	3.1225	2.2816	2.2816	1.7834		3.7014	3.9911	2.5196	2.9493	2.5196	2.9493
H7	2.6168	1.0941	2.1865	2.1865	2.6358	3.7014		1.7834	3.0725	2.5196	3.0725	2.5196
H8	3.1225	1.0926	2.2816	2.2816	3.7014	3.9911	1.7834		2.5196	2.9493	2.5196	2.9493
H9	2.1865	2.1865	1.0941	2.6168	3.0725	2.5196	3.0725	2.5196		1.7834	2.6358	3.7014
H10	2.2816	2.2816	1.0926	3.1225	2.5196	2.9493	2.5196	2.9493	1.7834		3.7014	3.9911
H11	2.1865	2.1865	2.6168	1.0941	3.0725	2.5196	3.0725	2.5196	2.6358	3.7014		1.7834
H12	2.2816	2.2816	3.1225	1.0926	2.5196	2.9493	2.5196	2.9493	3.7014	3.9911	1.7834

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.691	C1	C3	H9	110.569
C1	C3	H10	118.583	C1	C4	C2	87.691
C1	C4	H11	110.569	C1	C4	H12	118.583
C2	C3	H9	110.569	C2	C3	H10	118.583
C2	C4	H11	110.569	C2	C4	H12	118.583
C3	C1	C4	87.691	C3	C1	H5	110.569
C3	C1	H6	118.583	C3	C2	C4	87.691
C3	C2	H7	110.569	C3	C2	H8	118.583
C4	C1	H5	110.569	C4	C1	H6	118.583
C4	C2	H7	110.569	C4	C2	H8	118.583
H5	C1	H6	109.289	H7	C2	H8	109.289
H9	C3	H10	109.289	H11	C4	H12	109.289

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/6-311G**

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/6-311G**

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)