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	hartrees
Energy at 0K	-156.801200
Energy at 298.15K	-156.810453
HF Energy	-156.116486
Nuclear repulsion energy	127.888003

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3194	3002	0.00
2	A₁	3142	2954	0.00
3	A₁	1556	1462	0.00
4	A₁	1199	1127	0.00
5	A₁	1066	1002	0.00
6	A₁	246	231	0.00
7	A₂	1274	1197	0.00
8	A₂	989	929	0.00
9	B₁	1293	1215	0.00
10	B₁	1188	1117	0.00
11	B₁	982	923	0.00
12	B₂	3220	3027	53.78
13	B₂	3137	2948	8.03
14	B₂	1523	1432	4.95
15	B₂	927	871	0.03
16	B₂	628	590	2.91
17	E	3206	3013	14.01
17	E	3206	3013	14.01
18	E	3138	2949	50.63
18	E	3138	2949	50.63
19	E	1514	1423	0.36
19	E	1514	1423	0.36
20	E	1313	1235	1.25
20	E	1313	1235	1.25
21	E	1286	1208	0.55
21	E	1286	1208	0.55
22	E	953	896	2.56
22	E	953	896	2.56
23	E	777	730	0.77
23	E	777	730	0.77

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.069	0.151
C2	0.000	-1.069	0.151
C3	-1.069	0.000	-0.151
C4	1.069	0.000	-0.151
H5	0.000	1.324	1.210
H6	0.000	1.985	-0.436
H7	0.000	-1.324	1.210
H8	0.000	-1.985	-0.436
H9	-1.324	0.000	-1.210
H10	-1.985	0.000	0.436
H11	1.324	0.000	-1.210
H12	1.985	0.000	0.436

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1379	1.5416	1.5416	1.0893	1.0880	2.6167	3.1099	2.1790	2.2725	2.1790	2.2725
C2	2.1379		1.5416	1.5416	2.6167	3.1099	1.0893	1.0880	2.1790	2.2725	2.1790	2.2725
C3	1.5416	1.5416		2.1379	2.1790	2.2725	2.1790	2.2725	1.0893	1.0880	2.6167	3.1099
C4	1.5416	1.5416	2.1379		2.1790	2.2725	2.1790	2.2725	2.6167	3.1099	1.0893	1.0880
H5	1.0893	2.6167	2.1790	2.1790		1.7738	2.6477	3.6956	3.0598	2.5085	3.0598	2.5085
H6	1.0880	3.1099	2.2725	2.2725	1.7738		3.6956	3.9701	2.5085	2.9395	2.5085	2.9395
H7	2.6167	1.0893	2.1790	2.1790	2.6477	3.6956		1.7738	3.0598	2.5085	3.0598	2.5085
H8	3.1099	1.0880	2.2725	2.2725	3.6956	3.9701	1.7738		2.5085	2.9395	2.5085	2.9395
H9	2.1790	2.1790	1.0893	2.6167	3.0598	2.5085	3.0598	2.5085		1.7738	2.6477	3.6956
H10	2.2725	2.2725	1.0880	3.1099	2.5085	2.9395	2.5085	2.9395	1.7738		3.6956	3.9701
H11	2.1790	2.1790	2.6167	1.0893	3.0598	2.5085	3.0598	2.5085	2.6477	3.6956		1.7738
H12	2.2725	2.2725	3.1099	1.0880	2.5085	2.9395	2.5085	2.9395	3.6956	3.9701	1.7738

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.800	C1	C3	H9	110.656
C1	C3	H10	118.564	C1	C4	C2	87.800
C1	C4	H11	110.656	C1	C4	H12	118.564
C2	C3	H9	110.656	C2	C3	H10	118.564
C2	C4	H11	110.656	C2	C4	H12	118.564
C3	C1	C4	87.800	C3	C1	H5	110.656
C3	C1	H6	118.564	C3	C2	C4	87.800
C3	C2	H7	110.656	C3	C2	H8	118.564
C4	C1	H5	110.656	C4	C1	H6	118.564
C4	C2	H7	110.656	C4	C2	H8	118.564
H5	C1	H6	109.114	H7	C2	H8	109.114
H9	C3	H10	109.114	H11	C4	H12	109.114

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)