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	hartrees
Energy at 0K	-155.588727
Energy at 298.15K	-155.597953
HF Energy	-155.230625
Nuclear repulsion energy	125.661927

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3196	2978	0.00
2	A₁	3158	2942	0.00
3	A₁	1616	1505	0.00
4	A₁	1224	1140	0.00
5	A₁	1000	931	0.00
6	A₁	216	201	0.00
7	A₂	1338	1247	0.00
8	A₂	1035	964	0.00
9	B₁	1331	1240	0.00
10	B₁	1224	1141	0.00
11	B₁	928	865	0.00
12	B₂	3225	3004	67.74
13	B₂	3147	2932	9.27
14	B₂	1591	1482	5.07
15	B₂	949	884	0.03
16	B₂	658	613	3.13
17	E	3207	2988	14.88
17	E	3207	2988	14.88
18	E	3148	2933	49.98
18	E	3148	2933	49.98
19	E	1585	1476	1.94
19	E	1585	1476	1.94
20	E	1360	1267	3.15
20	E	1360	1267	3.15
21	E	1303	1214	1.22
21	E	1303	1214	1.22
22	E	904	842	3.67
22	E	904	842	3.67
23	E	781	728	0.22
23	E	781	728	0.22

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.100	0.133
C2	0.000	-1.100	0.133
C3	-1.100	0.000	-0.133
C4	1.100	0.000	-0.133
H5	0.000	1.402	1.181
H6	0.000	1.978	-0.511
H7	0.000	-1.402	1.181
H8	0.000	-1.978	-0.511
H9	-1.402	0.000	-1.181
H10	-1.978	0.000	0.511
H11	1.402	0.000	-1.181
H12	1.978	0.000	0.511

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1994	1.5777	1.5777	1.0910	1.0887	2.7128	3.1443	2.2138	2.2946	2.2138	2.2946
C2	2.1994		1.5777	1.5777	2.7128	3.1443	1.0910	1.0887	2.2138	2.2946	2.2138	2.2946
C3	1.5777	1.5777		2.1994	2.2138	2.2946	2.2138	2.2946	1.0910	1.0887	2.7128	3.1443
C4	1.5777	1.5777	2.1994		2.2138	2.2946	2.2138	2.2946	2.7128	3.1443	1.0910	1.0887
H5	1.0910	2.7128	2.2138	2.2138		1.7867	2.8048	3.7801	3.0839	2.5157	3.0839	2.5157
H6	1.0887	3.1443	2.2946	2.2946	1.7867		3.7801	3.9563	2.5157	2.9781	2.5157	2.9781
H7	2.7128	1.0910	2.2138	2.2138	2.8048	3.7801		1.7867	3.0839	2.5157	3.0839	2.5157
H8	3.1443	1.0887	2.2946	2.2946	3.7801	3.9563	1.7867		2.5157	2.9781	2.5157	2.9781
H9	2.2138	2.2138	1.0910	2.7128	3.0839	2.5157	3.0839	2.5157		1.7867	2.8048	3.7801
H10	2.2946	2.2946	1.0887	3.1443	2.5157	2.9781	2.5157	2.9781	1.7867		3.7801	3.9563
H11	2.2138	2.2138	2.7128	1.0910	3.0839	2.5157	3.0839	2.5157	2.8048	3.7801		1.7867
H12	2.2946	2.2946	3.1443	1.0887	2.5157	2.9781	2.5157	2.9781	3.7801	3.9563	1.7867

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.381	C1	C3	H9	110.785
C1	C3	H10	117.588	C1	C4	C2	88.381
C1	C4	H11	110.785	C1	C4	H12	117.588
C2	C3	H9	110.785	C2	C3	H10	117.588
C2	C4	H11	110.785	C2	C4	H12	117.588
C3	C1	C4	88.381	C3	C1	H5	110.785
C3	C1	H6	117.588	C3	C2	C4	88.381
C3	C2	H7	110.785	C3	C2	H8	117.588
C4	C1	H5	110.785	C4	C1	H6	117.588
C4	C2	H7	110.785	C4	C2	H8	117.588
H5	C1	H6	110.103	H7	C2	H8	110.103
H9	C3	H10	110.103	H11	C4	H12	110.103

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: CID/3-21G

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: CID/3-21G

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)