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	hartrees
Energy at 0K	-156.699736
Energy at 298.15K	-156.708952
HF Energy	-156.096011
Nuclear repulsion energy	126.981770

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3119	2999
2	A₁	3079	2961
3	A₁	1570	1510
4	A₁	1210	1163
5	A₁	1046	1006
6	A₁	242	232
7	A₂	1275	1226
8	A₂	977	940
9	B₁	1289	1240
10	B₁	1188	1143
11	B₁	966	929
12	B₂	3145	3024
13	B₂	3072	2954
14	B₂	1538	1479
15	B₂	927	891
16	B₂	641	616
17	E	3130	3010
17	E	3130	3010
18	E	3073	2955
18	E	3073	2955
19	E	1532	1473
19	E	1532	1473
20	E	1323	1272
20	E	1323	1272
21	E	1272	1223
21	E	1272	1223
22	E	939	903
22	E	939	903
23	E	776	746
23	E	776	746

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.077	0.144
C2	0.000	-1.077	0.144
C3	-1.077	0.000	-0.144
C4	1.077	0.000	-0.144
H5	0.000	1.363	1.204
H6	0.000	1.989	-0.467
H7	0.000	-1.363	1.204
H8	0.000	-1.989	-0.467
H9	-1.363	0.000	-1.204
H10	-1.989	0.000	0.467
H11	1.363	0.000	-1.204
H12	1.989	0.000	0.467

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1540	1.5500	1.5500	1.0983	1.0973	2.6608	3.1260	2.1988	2.2847	2.1988	2.2847
C2	2.1540		1.5500	1.5500	2.6608	3.1260	1.0983	1.0973	2.1988	2.2847	2.1988	2.2847
C3	1.5500	1.5500		2.1540	2.1988	2.2847	2.1988	2.2847	1.0983	1.0973	2.6608	3.1260
C4	1.5500	1.5500	2.1540		2.1988	2.2847	2.1988	2.2847	2.6608	3.1260	1.0983	1.0973
H5	1.0983	2.6608	2.1988	2.1988		1.7840	2.7268	3.7455	3.0847	2.5214	3.0847	2.5214
H6	1.0973	3.1260	2.2847	2.2847	1.7840		3.7455	3.9776	2.5214	2.9636	2.5214	2.9636
H7	2.6608	1.0983	2.1988	2.1988	2.7268	3.7455		1.7840	3.0847	2.5214	3.0847	2.5214
H8	3.1260	1.0973	2.2847	2.2847	3.7455	3.9776	1.7840		2.5214	2.9636	2.5214	2.9636
H9	2.1988	2.1988	1.0983	2.6608	3.0847	2.5214	3.0847	2.5214		1.7840	2.7268	3.7455
H10	2.2847	2.2847	1.0973	3.1260	2.5214	2.9636	2.5214	2.9636	1.7840		3.7455	3.9776
H11	2.1988	2.1988	2.6608	1.0983	3.0847	2.5214	3.0847	2.5214	2.7268	3.7455		1.7840
H12	2.2847	2.2847	3.1260	1.0973	2.5214	2.9636	2.5214	2.9636	3.7455	3.9776	1.7840

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.032	C1	C3	H9	111.107
C1	C3	H10	118.312	C1	C4	C2	88.032
C1	C4	H11	111.107	C1	C4	H12	118.312
C2	C3	H9	111.107	C2	C3	H10	118.312
C2	C4	H11	111.107	C2	C4	H12	118.312
C3	C1	C4	88.032	C3	C1	H5	111.107
C3	C1	H6	118.312	C3	C2	C4	88.032
C3	C2	H7	111.107	C3	C2	H8	118.312
C4	C1	H5	111.107	C4	C1	H6	118.312
C4	C2	H7	111.107	C4	C2	H8	118.312
H5	C1	H6	108.688	H7	C2	H8	108.688
H9	C3	H10	108.688	H11	C4	H12	108.688

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP4=FULL/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: MP4=FULL/6-31G*

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)