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	hartrees
Energy at 0K	-156.708788
Energy at 298.15K	-156.718059
HF Energy	-156.110546
Nuclear repulsion energy	127.716309

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3194	3000	0.00
2	A₁	3144	2953	0.00
3	A₁	1571	1475	0.00
4	A₁	1209	1136	0.00
5	A₁	1057	993	0.00
6	A₁	260	244	0.00
7	A₂	1280	1203	0.00
8	A₂	972	913	0.00
9	B₁	1287	1209	0.00
10	B₁	1187	1115	0.00
11	B₁	974	914	0.00
12	B₂	3221	3026	84.06
13	B₂	3137	2946	15.07
14	B₂	1535	1442	5.42
15	B₂	935	879	0.06
16	B₂	637	598	1.81
17	E	3207	3012	23.13
17	E	3207	3012	23.13
18	E	3139	2948	71.48
18	E	3139	2948	71.48
19	E	1530	1437	0.36
19	E	1530	1437	0.36
20	E	1325	1244	2.86
20	E	1325	1244	2.86
21	E	1273	1196	0.20
21	E	1273	1196	0.20
22	E	946	889	3.47
22	E	946	889	3.47
23	E	781	734	0.49
23	E	781	734	0.49

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.070	0.152
C2	0.000	-1.070	0.152
C3	-1.070	0.000	-0.152
C4	1.070	0.000	-0.152
H5	0.000	1.330	1.210
H6	0.000	1.986	-0.437
H7	0.000	-1.330	1.210
H8	0.000	-1.986	-0.437
H9	-1.330	0.000	-1.210
H10	-1.986	0.000	0.437
H11	1.330	0.000	-1.210
H12	1.986	0.000	0.437

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1408	1.5438	1.5438	1.0901	1.0889	2.6234	3.1130	2.1837	2.2744	2.1837	2.2744
C2	2.1408		1.5438	1.5438	2.6234	3.1130	1.0901	1.0889	2.1837	2.2744	2.1837	2.2744
C3	1.5438	1.5438		2.1408	2.1837	2.2744	2.1837	2.2744	1.0901	1.0889	2.6234	3.1130
C4	1.5438	1.5438	2.1408		2.1837	2.2744	2.1837	2.2744	2.6234	3.1130	1.0901	1.0889
H5	1.0901	2.6234	2.1837	2.1837		1.7735	2.6597	3.7029	3.0653	2.5123	3.0653	2.5123
H6	1.0889	3.1130	2.2744	2.2744	1.7735		3.7029	3.9728	2.5123	2.9421	2.5123	2.9421
H7	2.6234	1.0901	2.1837	2.1837	2.6597	3.7029		1.7735	3.0653	2.5123	3.0653	2.5123
H8	3.1130	1.0889	2.2744	2.2744	3.7029	3.9728	1.7735		2.5123	2.9421	2.5123	2.9421
H9	2.1837	2.1837	1.0901	2.6234	3.0653	2.5123	3.0653	2.5123		1.7735	2.6597	3.7029
H10	2.2744	2.2744	1.0889	3.1130	2.5123	2.9421	2.5123	2.9421	1.7735		3.7029	3.9728
H11	2.1837	2.1837	2.6234	1.0901	3.0653	2.5123	3.0653	2.5123	2.6597	3.7029		1.7735
H12	2.2744	2.2744	3.1130	1.0889	2.5123	2.9421	2.5123	2.9421	3.7029	3.9728	1.7735

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.792	C1	C3	H9	110.835
C1	C3	H10	118.496	C1	C4	C2	87.792
C1	C4	H11	110.835	C1	C4	H12	118.496
C2	C3	H9	110.835	C2	C3	H10	118.496
C2	C4	H11	110.835	C2	C4	H12	118.496
C3	C1	C4	87.792	C3	C1	H5	110.835
C3	C1	H6	118.496	C3	C2	C4	87.792
C3	C2	H7	110.835	C3	C2	H8	118.496
C4	C1	H5	110.835	C4	C1	H6	118.496
C4	C2	H7	110.835	C4	C2	H8	118.496
H5	C1	H6	108.964	H7	C2	H8	108.964
H9	C3	H10	108.964	H11	C4	H12	108.964

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)