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	hartrees
Energy at 0K	-154.484398
Energy at 298.15K	-154.493382
HF Energy	-154.270316
Nuclear repulsion energy	124.867280

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3536	3144	0.00
2	A₁	3422	3042	0.00
3	A₁	1722	1531	0.00
4	A₁	1300	1156	0.00
5	A₁	1127	1002	0.00
6	A₁	107	95	0.00
7	A₂	1412	1255	0.00
8	A₂	1090	969	0.00
9	B₁	1425	1267	0.00
10	B₁	1352	1202	0.00
11	B₁	1106	983	0.00
12	B₂	3547	3153	12.20
13	B₂	3411	3032	0.25
14	B₂	1696	1507	0.03
15	B₂	917	815	0.01
16	B₂	744	661	2.14
17	E	3541	3147	0.45
17	E	3541	3147	0.45
18	E	3415	3036	6.33
18	E	3415	3036	6.33
19	E	1698	1509	0.83
19	E	1698	1509	0.83
20	E	1481	1317	2.24
20	E	1481	1317	2.24
21	E	1389	1235	0.00
21	E	1389	1235	0.00
22	E	1047	931	0.00
22	E	1047	931	0.00
23	E	829	737	0.32
23	E	829	737	0.32

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.104	0.119
C2	0.000	-1.104	0.119
C3	-1.104	0.000	-0.119
C4	1.104	0.000	-0.119
H5	0.000	1.457	1.170
H6	0.000	1.984	-0.555
H7	0.000	-1.457	1.170
H8	0.000	-1.984	-0.555
H9	-1.457	0.000	-1.170
H10	-1.984	0.000	0.555
H11	1.457	0.000	-1.170
H12	1.984	0.000	0.555

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.2081	1.5795	1.5795	1.1087	1.1091	2.7684	3.1612	2.2374	2.3122	2.2374	2.3122
C2	2.2081		1.5795	1.5795	2.7684	3.1612	1.1087	1.1091	2.2374	2.3122	2.2374	2.3122
C3	1.5795	1.5795		2.2081	2.2374	2.3122	2.2374	2.3122	1.1087	1.1091	2.7684	3.1612
C4	1.5795	1.5795	2.2081		2.2374	2.3122	2.2374	2.3122	2.7684	3.1612	1.1087	1.1091
H5	1.1087	2.7684	2.2374	2.2374		1.8044	2.9142	3.8498	3.1186	2.5375	3.1186	2.5375
H6	1.1091	3.1612	2.3122	2.3122	1.8044		3.8498	3.9686	2.5375	3.0179	2.5375	3.0179
H7	2.7684	1.1087	2.2374	2.2374	2.9142	3.8498		1.8044	3.1186	2.5375	3.1186	2.5375
H8	3.1612	1.1091	2.3122	2.3122	3.8498	3.9686	1.8044		2.5375	3.0179	2.5375	3.0179
H9	2.2374	2.2374	1.1087	2.7684	3.1186	2.5375	3.1186	2.5375		1.8044	2.9142	3.8498
H10	2.3122	2.3122	1.1091	3.1612	2.5375	3.0179	2.5375	3.0179	1.8044		3.8498	3.9686
H11	2.2374	2.2374	2.7684	1.1087	3.1186	2.5375	3.1186	2.5375	2.9142	3.8498		1.8044
H12	2.3122	2.3122	3.1612	1.1091	2.5375	3.0179	2.5375	3.0179	3.8498	3.9686	1.8044

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.689	C1	C3	H9	111.468
C1	C3	H10	117.566	C1	C4	C2	88.689
C1	C4	H11	111.468	C1	C4	H12	117.566
C2	C3	H9	111.468	C2	C3	H10	117.566
C2	C4	H11	111.468	C2	C4	H12	117.566
C3	C1	C4	88.689	C3	C1	H5	111.468
C3	C1	H6	117.566	C3	C2	C4	88.689
C3	C2	H7	111.468	C3	C2	H8	117.566
C4	C1	H5	111.468	C4	C1	H6	117.566
C4	C2	H7	111.468	C4	C2	H8	117.566
H5	C1	H6	108.897	H7	C2	H8	108.897
H9	C3	H10	108.897	H11	C4	H12	108.897

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)