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	hartrees
Energy at 0K	-156.811613
Energy at 298.15K	-156.820895
HF Energy	-156.145400
Nuclear repulsion energy	127.754982

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3160	3011	0.00
2	A₁	3109	2962	0.00
3	A₁	1547	1474	0.00
4	A₁	1203	1146	0.00
5	A₁	1048	998	0.00
6	A₁	276	263	0.00
7	A₂	1266	1206	0.00
8	A₂	970	924	0.00
9	B₁	1277	1216	0.00
10	B₁	1156	1101	0.00
11	B₁	956	911	0.00
12	B₂	3187	3037	79.25
13	B₂	3104	2957	14.17
14	B₂	1516	1444	4.89
15	B₂	938	894	0.06
16	B₂	633	603	1.64
17	E	3172	3022	24.83
17	E	3172	3022	24.83
18	E	3105	2958	63.98
18	E	3105	2958	63.98
19	E	1508	1437	0.47
19	E	1508	1437	0.47
20	E	1310	1248	3.43
20	E	1310	1248	3.43
21	E	1265	1206	0.21
21	E	1265	1206	0.21
22	E	935	891	3.22
22	E	935	891	3.22
23	E	778	741	0.20
23	E	778	741	0.20

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.069	0.157
C2	0.000	-1.069	0.157
C3	-1.069	0.000	-0.157
C4	1.069	0.000	-0.157
H5	0.000	1.311	1.220
H6	0.000	1.991	-0.424
H7	0.000	-1.311	1.220
H8	0.000	-1.991	-0.424
H9	-1.311	0.000	-1.220
H10	-1.991	0.000	0.424
H11	1.311	0.000	-1.220
H12	1.991	0.000	0.424

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1386	1.5444	1.5444	1.0902	1.0889	2.6072	3.1146	2.1812	2.2755	2.1812	2.2755
C2	2.1386		1.5444	1.5444	2.6072	3.1146	1.0902	1.0889	2.1812	2.2755	2.1812	2.2755
C3	1.5444	1.5444		2.1386	2.1812	2.2755	2.1812	2.2755	1.0902	1.0889	2.6072	3.1146
C4	1.5444	1.5444	2.1386		2.1812	2.2755	2.1812	2.2755	2.6072	3.1146	1.0902	1.0889
H5	1.0902	2.6072	2.1812	2.1812		1.7781	2.6228	3.6885	3.0643	2.5134	3.0643	2.5134
H6	1.0889	3.1146	2.2755	2.2755	1.7781		3.6885	3.9816	2.5134	2.9401	2.5134	2.9401
H7	2.6072	1.0902	2.1812	2.1812	2.6228	3.6885		1.7781	3.0643	2.5134	3.0643	2.5134
H8	3.1146	1.0889	2.2755	2.2755	3.6885	3.9816	1.7781		2.5134	2.9401	2.5134	2.9401
H9	2.1812	2.1812	1.0902	2.6072	3.0643	2.5134	3.0643	2.5134		1.7781	2.6228	3.6885
H10	2.2755	2.2755	1.0889	3.1146	2.5134	2.9401	2.5134	2.9401	1.7781		3.6885	3.9816
H11	2.1812	2.1812	2.6072	1.0902	3.0643	2.5134	3.0643	2.5134	2.6228	3.6885		1.7781
H12	2.2755	2.2755	3.1146	1.0889	2.5134	2.9401	2.5134	2.9401	3.6885	3.9816	1.7781

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.641	C1	C3	H9	110.583
C1	C3	H10	118.544	C1	C4	C2	87.641
C1	C4	H11	110.583	C1	C4	H12	118.544
C2	C3	H9	110.583	C2	C3	H10	118.544
C2	C4	H11	110.583	C2	C4	H12	118.544
C3	C1	C4	87.641	C3	C1	H5	110.583
C3	C1	H6	118.544	C3	C2	C4	87.641
C3	C2	H7	110.583	C3	C2	H8	118.544
C4	C1	H5	110.583	C4	C1	H6	118.544
C4	C2	H7	110.583	C4	C2	H8	118.544
H5	C1	H6	109.366	H7	C2	H8	109.366
H9	C3	H10	109.366	H11	C4	H12	109.366

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=FULL/TZVP

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/TZVP

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)