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	hartrees
Energy at 0K	-156.661455
Energy at 298.15K	-156.670686
HF Energy	-156.096336
Nuclear repulsion energy	127.032115

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3139	2971	0.00
2	A₁	3102	2936	0.00
3	A₁	1581	1497	0.00
4	A₁	1220	1155	0.00
5	A₁	1058	1002	0.00
6	A₁	231	219	0.00
7	A₂	1289	1220	0.00
8	A₂	986	934	0.00
9	B₁	1302	1232	0.00
10	B₁	1203	1138	0.00
11	B₁	981	928	0.00
12	B₂	3165	2996	89.18
13	B₂	3095	2929	10.68
14	B₂	1546	1463	4.44
15	B₂	930	880	0.03
16	B₂	650	615	2.35
17	E	3151	2982	19.82
17	E	3151	2982	19.82
18	E	3095	2930	63.11
18	E	3095	2930	63.11
19	E	1541	1459	0.48
19	E	1541	1459	0.48
20	E	1339	1267	1.31
20	E	1339	1267	1.31
21	E	1282	1214	0.19
21	E	1282	1214	0.19
22	E	951	900	2.94
22	E	951	900	2.94
23	E	782	740	0.52
23	E	782	740	0.52

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.078	0.137
C2	0.000	-1.078	0.137
C3	-1.078	0.000	-0.137
C4	1.078	0.000	-0.137
H5	0.000	1.381	1.191
H6	0.000	1.979	-0.486
H7	0.000	-1.381	1.191
H8	0.000	-1.979	-0.486
H9	-1.381	0.000	-1.191
H10	-1.979	0.000	0.486
H11	1.381	0.000	-1.191
H12	1.979	0.000	0.486

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1558	1.5490	1.5490	1.0968	1.0958	2.6756	3.1200	2.1991	2.2805	2.1991	2.2805
C2	2.1558		1.5490	1.5490	2.6756	3.1200	1.0968	1.0958	2.1991	2.2805	2.1991	2.2805
C3	1.5490	1.5490		2.1558	2.1991	2.2805	2.1991	2.2805	1.0968	1.0958	2.6756	3.1200
C4	1.5490	1.5490	2.1558		2.1991	2.2805	2.1991	2.2805	2.6756	3.1200	1.0968	1.0958
H5	1.0968	2.6756	2.1991	2.1991		1.7805	2.7627	3.7559	3.0813	2.5147	3.0813	2.5147
H6	1.0958	3.1200	2.2805	2.2805	1.7805		3.7559	3.9586	2.5147	2.9629	2.5147	2.9629
H7	2.6756	1.0968	2.1991	2.1991	2.7627	3.7559		1.7805	3.0813	2.5147	3.0813	2.5147
H8	3.1200	1.0958	2.2805	2.2805	3.7559	3.9586	1.7805		2.5147	2.9629	2.5147	2.9629
H9	2.1991	2.1991	1.0968	2.6756	3.0813	2.5147	3.0813	2.5147		1.7805	2.7627	3.7559
H10	2.2805	2.2805	1.0958	3.1200	2.5147	2.9629	2.5147	2.9629	1.7805		3.7559	3.9586
H11	2.1991	2.1991	2.6756	1.0968	3.0813	2.5147	3.0813	2.5147	2.7627	3.7559		1.7805
H12	2.2805	2.2805	3.1200	1.0958	2.5147	2.9629	2.5147	2.9629	3.7559	3.9586	1.7805

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.194	C1	C3	H9	111.293
C1	C3	H10	118.130	C1	C4	C2	88.194
C1	C4	H11	111.293	C1	C4	H12	118.130
C2	C3	H9	111.293	C2	C3	H10	118.130
C2	C4	H11	111.293	C2	C4	H12	118.130
C3	C1	C4	88.194	C3	C1	H5	111.293
C3	C1	H6	118.130	C3	C2	C4	88.194
C3	C2	H7	111.293	C3	C2	H8	118.130
C4	C1	H5	111.293	C4	C1	H6	118.130
C4	C2	H7	111.293	C4	C2	H8	118.130
H5	C1	H6	108.592	H7	C2	H8	108.592
H9	C3	H10	108.592	H11	C4	H12	108.592

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: CCD/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: CCD/6-31G*

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)