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	hartrees
Energy at 0K	-156.750307
Energy at 298.15K	-156.759555
HF Energy	-156.122606
Nuclear repulsion energy	127.369113

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3151	2984	0.00
2	A₁	3105	2941	0.00
3	A₁	1565	1482	0.00
4	A₁	1203	1140	0.00
5	A₁	1057	1001	0.00
6	A₁	253	240	0.00
7	A₂	1264	1197	0.00
8	A₂	979	927	0.00
9	B₁	1278	1211	0.00
10	B₁	1182	1120	0.00
11	B₁	971	920	0.00
12	B₂	3180	3012	86.77
13	B₂	3098	2934	11.02
14	B₂	1530	1449	7.09
15	B₂	923	874	0.00
16	B₂	635	601	2.85
17	E	3164	2997	20.56
17	E	3164	2997	20.56
18	E	3099	2935	68.26
18	E	3099	2935	68.26
19	E	1521	1441	1.92
19	E	1521	1441	1.92
20	E	1310	1241	4.38
20	E	1310	1241	4.38
21	E	1273	1205	0.75
21	E	1273	1205	0.75
22	E	942	892	4.06
22	E	942	892	4.06
23	E	776	735	0.62
23	E	776	735	0.62

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.074	0.149
C2	0.000	-1.074	0.149
C3	-1.074	0.000	-0.149
C4	1.074	0.000	-0.149
H5	0.000	1.343	1.208
H6	0.000	1.988	-0.450
H7	0.000	-1.343	1.208
H8	0.000	-1.988	-0.450
H9	-1.343	0.000	-1.208
H10	-1.988	0.000	0.450
H11	1.343	0.000	-1.208
H12	1.988	0.000	0.450

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1472	1.5471	1.5471	1.0936	1.0926	2.6391	3.1192	2.1905	2.2791	2.1905	2.2791
C2	2.1472		1.5471	1.5471	2.6391	3.1192	1.0936	1.0926	2.1905	2.2791	2.1905	2.2791
C3	1.5471	1.5471		2.1472	2.1905	2.2791	2.1905	2.2791	1.0936	1.0926	2.6391	3.1192
C4	1.5471	1.5471	2.1472		2.1905	2.2791	2.1905	2.2791	2.6391	3.1192	1.0936	1.0926
H5	1.0936	2.6391	2.1905	2.1905		1.7790	2.6868	3.7210	3.0740	2.5161	3.0740	2.5161
H6	1.0926	3.1192	2.2791	2.2791	1.7790		3.7210	3.9754	2.5161	2.9516	2.5161	2.9516
H7	2.6391	1.0936	2.1905	2.1905	2.6868	3.7210		1.7790	3.0740	2.5161	3.0740	2.5161
H8	3.1192	1.0926	2.2791	2.2791	3.7210	3.9754	1.7790		2.5161	2.9516	2.5161	2.9516
H9	2.1905	2.1905	1.0936	2.6391	3.0740	2.5161	3.0740	2.5161		1.7790	2.6868	3.7210
H10	2.2791	2.2791	1.0926	3.1192	2.5161	2.9516	2.5161	2.9516	1.7790		3.7210	3.9754
H11	2.1905	2.1905	2.6391	1.0936	3.0740	2.5161	3.0740	2.5161	2.6868	3.7210		1.7790
H12	2.2791	2.2791	3.1192	1.0926	2.5161	2.9516	2.5161	2.9516	3.7210	3.9754	1.7790

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.887	C1	C3	H9	110.935
C1	C3	H10	118.385	C1	C4	C2	87.887
C1	C4	H11	110.935	C1	C4	H12	118.385
C2	C3	H9	110.935	C2	C3	H10	118.385
C2	C4	H11	110.935	C2	C4	H12	118.385
C3	C1	C4	87.887	C3	C1	H5	110.935
C3	C1	H6	118.385	C3	C2	C4	87.887
C3	C2	H7	110.935	C3	C2	H8	118.385
C4	C1	H5	110.935	C4	C1	H6	118.385
C4	C2	H7	110.935	C4	C2	H8	118.385
H5	C1	H6	108.929	H7	C2	H8	108.929
H9	C3	H10	108.929	H11	C4	H12	108.929

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)