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	hartrees
Energy at 0K	-155.539387
Energy at 298.15K	-155.545593
HF Energy	-154.925641
Nuclear repulsion energy	113.071656

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3239	3068	23.16
2	A₁	3096	2932	39.28
3	A₁	1613	1528	0.23
4	A₁	1528	1447	0.58
5	A₁	1239	1174	3.28
6	A₁	1155	1094	0.24
7	A₁	1023	969	0.03
8	A₁	924	876	1.79
9	A₂	3147	2980	0.00
10	A₂	1189	1126	0.00
11	A₂	1047	991	0.00
12	A₂	888	841	0.00
13	A₂	289	274	0.00
14	B₁	3160	2993	47.98
15	B₁	1120	1060	4.88
16	B₁	885	838	16.18
17	B₁	646	612	56.07
18	B₂	3208	3038	15.49
19	B₂	3091	2928	35.88
20	B₂	1505	1426	1.27
21	B₂	1333	1263	14.74
22	B₂	1244	1178	4.48
23	B₂	926	877	14.29
24	B₂	851	806	0.64

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.674	0.813
C2	0.000	-0.674	0.813
C3	0.000	0.783	-0.699
C4	0.000	-0.783	-0.699
H5	0.000	1.422	1.602
H6	0.000	-1.422	1.602
H7	0.890	1.240	-1.142
H8	-0.890	-1.240	-1.142
H9	-0.890	1.240	-1.142
H10	0.890	-1.240	-1.142

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10
C1		1.3487	1.5167	2.1008	1.0865	2.2395	2.2218	2.8776	2.2218	2.8776
C2	1.3487		2.1008	1.5167	2.2395	1.0865	2.8776	2.2218	2.8776	2.2218
C3	1.5167	2.1008		1.5667	2.3883	3.1873	1.0940	2.2542	1.0940	2.2542
C4	2.1008	1.5167	1.5667		3.1873	2.3883	2.2542	1.0940	2.2542	1.0940
H5	1.0865	2.2395	2.3883	3.1873		2.8435	2.8907	3.9251	2.8907	3.9251
H6	2.2395	1.0865	3.1873	2.3883	2.8435		3.9251	2.8907	3.9251	2.8907
H7	2.2218	2.8776	1.0940	2.2542	2.8907	3.9251		3.0524	1.7802	2.4796
H8	2.8776	2.2218	2.2542	1.0940	3.9251	2.8907	3.0524		2.4796	1.7802
H9	2.2218	2.8776	1.0940	2.2542	2.8907	3.9251	1.7802	2.4796		3.0524
H10	2.8776	2.2218	2.2542	1.0940	3.9251	2.8907	2.4796	1.7802	3.0524

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	94.120	C1	C2	H6	133.462
C1	C3	C4	85.880	C1	C3	H7	115.705
C1	C3	H9	115.705	C2	C1	C3	94.120
C2	C1	H5	133.462	C2	C4	C3	85.880
C2	C4	H8	115.705	C2	C4	H10	115.705
C3	C1	H5	132.418	C3	C4	H8	114.661
C3	C4	H10	114.661	C4	C2	H6	132.418
C4	C3	H7	114.661	C4	C3	H9	114.661
H7	C3	H9	108.909	H8	C4	H10	108.909

All results from a given calculation for C₄H₆ (Cyclobutene)

using model chemistry: MP2=FULL/6-311G*

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 C4H6 (Cyclobutene)

using model chemistry: MP2=FULL/6-311G*

States and conformations

All results from a given calculation for C₄H₆ (Cyclobutene)