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	hartrees
Energy at 0K	-156.617991
Energy at 298.15K	-156.627258
HF Energy	-156.096425
Nuclear repulsion energy	127.430063

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3173	2992	0.00
2	A₁	3128	2949	0.00
3	A₁	1587	1496	0.00
4	A₁	1221	1151	0.00
5	A₁	1065	1004	0.00
6	A₁	253	239	0.00
7	A₂	1287	1213	0.00
8	A₂	987	930	0.00
9	B₁	1302	1228	0.00
10	B₁	1200	1132	0.00
11	B₁	983	927	0.00
12	B₂	3200	3017	77.31
13	B₂	3122	2944	9.36
14	B₂	1554	1465	5.25
15	B₂	937	883	0.02
16	B₂	645	608	2.65
17	E	3185	3004	18.25
17	E	3185	3004	18.25
18	E	3123	2945	59.99
18	E	3123	2945	59.99
19	E	1547	1458	0.39
19	E	1547	1458	0.39
20	E	1335	1259	1.75
20	E	1335	1259	1.75
21	E	1287	1214	0.37
21	E	1287	1214	0.37
22	E	955	900	3.01
22	E	955	900	3.01
23	E	787	742	0.79
23	E	787	742	0.79

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.096	0.007
C2	0.000	-1.096	0.007
C3	-1.096	0.000	-0.007
C4	1.096	0.000	-0.007
H5	0.000	1.728	0.900
H6	0.000	1.753	-0.867
H7	0.000	-1.728	0.900
H8	0.000	-1.753	-0.867
H9	-1.728	0.000	-0.900
H10	-1.753	0.000	0.867
H11	1.728	0.000	-0.900
H12	1.753	0.000	0.867

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1912	1.5495	1.5495	1.0942	1.0939	2.9614	2.9794	2.2382	2.2387	2.2382	2.2387
C2	2.1912		1.5495	1.5495	2.9614	2.9794	1.0942	1.0939	2.2382	2.2387	2.2382	2.2387
C3	1.5495	1.5495		2.1912	2.2382	2.2387	2.2382	2.2387	1.0942	1.0939	2.9614	2.9794
C4	1.5495	1.5495	2.1912		2.2382	2.2387	2.2382	2.2387	2.9614	2.9794	1.0942	1.0939
H5	1.0942	2.9614	2.2382	2.2382		1.7677	3.4559	3.9036	3.0352	2.4614	3.0352	2.4614
H6	1.0939	2.9794	2.2387	2.2387	1.7677		3.9036	3.5052	2.4614	3.0254	2.4614	3.0254
H7	2.9614	1.0942	2.2382	2.2382	3.4559	3.9036		1.7677	3.0352	2.4614	3.0352	2.4614
H8	2.9794	1.0939	2.2387	2.2387	3.9036	3.5052	1.7677		2.4614	3.0254	2.4614	3.0254
H9	2.2382	2.2382	1.0942	2.9614	3.0352	2.4614	3.0352	2.4614		1.7677	3.4559	3.9036
H10	2.2387	2.2387	1.0939	2.9794	2.4614	3.0254	2.4614	3.0254	1.7677		3.9036	3.5052
H11	2.2382	2.2382	2.9614	1.0942	3.0352	2.4614	3.0352	2.4614	3.4559	3.9036		1.7677
H12	2.2387	2.2387	2.9794	1.0939	2.4614	3.0254	2.4614	3.0254	3.9036	3.5052	1.7677

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	89.995	C1	C3	H9	114.597
C1	C3	H10	114.660	C1	C4	C2	89.995
C1	C4	H11	114.597	C1	C4	H12	114.660
C2	C3	H9	114.597	C2	C3	H10	114.660
C2	C4	H11	114.597	C2	C4	H12	114.660
C3	C1	C4	89.995	C3	C1	H5	114.597
C3	C1	H6	114.660	C3	C2	C4	89.995
C3	C2	H7	114.597	C3	C2	H8	114.660
C4	C1	H5	114.597	C4	C1	H6	114.660
C4	C2	H7	114.597	C4	C2	H8	114.660
H5	C1	H6	107.781	H7	C2	H8	107.781
H9	C3	H10	107.781	H11	C4	H12	107.781

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2/6-31G*

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: MP2/6-31G*

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)