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	hartrees
Energy at 0K	-156.842538
Energy at 298.15K	-156.851759
HF Energy	-156.149991
Nuclear repulsion energy	127.694432

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3154	2995	0.00
2	A₁	3103	2946	0.00
3	A₁	1533	1455	0.00
4	A₁	1182	1123	0.00
5	A₁	1044	991	0.00
6	A₁	249	237	0.00
7	A₂	1258	1194	0.00
8	A₂	965	917	0.00
9	B₁	1262	1198	0.00
10	B₁	1170	1111	0.00
11	B₁	957	908	0.00
12	B₂	3180	3020	67.06
13	B₂	3100	2943	13.66
14	B₂	1501	1425	5.45
15	B₂	918	872	0.04
16	B₂	620	589	2.07
17	E	3166	3006	22.21
17	E	3166	3006	22.21
18	E	3100	2943	58.05
18	E	3100	2943	58.05
19	E	1492	1417	0.81
19	E	1492	1417	0.81
20	E	1288	1223	2.19
20	E	1288	1223	2.19
21	E	1262	1198	0.39
21	E	1262	1198	0.39
22	E	931	884	2.86
22	E	931	884	2.86
23	E	765	726	0.36
23	E	765	726	0.36

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.071	0.153
C2	0.000	-1.071	0.153
C3	-1.071	0.000	-0.153
C4	1.071	0.000	-0.153
H5	0.000	1.322	1.213
H6	0.000	1.988	-0.432
H7	0.000	-1.322	1.213
H8	0.000	-1.988	-0.432
H9	-1.322	0.000	-1.213
H10	-1.988	0.000	0.432
H11	1.322	0.000	-1.213
H12	1.988	0.000	0.432

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1424	1.5455	1.5455	1.0891	1.0874	2.6174	3.1146	2.1816	2.2755	2.1816	2.2755
C2	2.1424		1.5455	1.5455	2.6174	3.1146	1.0891	1.0874	2.1816	2.2755	2.1816	2.2755
C3	1.5455	1.5455		2.1424	2.1816	2.2755	2.1816	2.2755	1.0891	1.0874	2.6174	3.1146
C4	1.5455	1.5455	2.1424		2.1816	2.2755	2.1816	2.2755	2.6174	3.1146	1.0891	1.0874
H5	1.0891	2.6174	2.1816	2.1816		1.7745	2.6439	3.6961	3.0623	2.5118	3.0623	2.5118
H6	1.0874	3.1146	2.2755	2.2755	1.7745		3.6961	3.9760	2.5118	2.9413	2.5118	2.9413
H7	2.6174	1.0891	2.1816	2.1816	2.6439	3.6961		1.7745	3.0623	2.5118	3.0623	2.5118
H8	3.1146	1.0874	2.2755	2.2755	3.6961	3.9760	1.7745		2.5118	2.9413	2.5118	2.9413
H9	2.1816	2.1816	1.0891	2.6174	3.0623	2.5118	3.0623	2.5118		1.7745	2.6439	3.6961
H10	2.2755	2.2755	1.0874	3.1146	2.5118	2.9413	2.5118	2.9413	1.7745		3.6961	3.9760
H11	2.1816	2.1816	2.6174	1.0891	3.0623	2.5118	3.0623	2.5118	2.6439	3.6961		1.7745
H12	2.2755	2.2755	3.1146	1.0874	2.5118	2.9413	2.5118	2.9413	3.6961	3.9760	1.7745

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.759	C1	C3	H9	110.609
C1	C3	H10	118.556	C1	C4	C2	87.759
C1	C4	H11	110.609	C1	C4	H12	118.556
C2	C3	H9	110.609	C2	C3	H10	118.556
C2	C4	H11	110.609	C2	C4	H12	118.556
C3	C1	C4	87.759	C3	C1	H5	110.609
C3	C1	H6	118.556	C3	C2	C4	87.759
C3	C2	H7	110.609	C3	C2	H8	118.556
C4	C1	H5	110.609	C4	C1	H6	118.556
C4	C2	H7	110.609	C4	C2	H8	118.556
H5	C1	H6	109.227	H7	C2	H8	109.227
H9	C3	H10	109.227	H11	C4	H12	109.227

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)