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	hartrees
Energy at 0K	-155.449958
Energy at 298.15K	-155.456207
HF Energy	-154.898271
Nuclear repulsion energy	112.917820

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3242	3062	22.38
2	A₁	3083	2911	39.58
3	A₁	1665	1573	0.51
4	A₁	1550	1463	0.00
5	A₁	1268	1197	1.15
6	A₁	1165	1100	0.05
7	A₁	1031	974	0.01
8	A₁	926	875	1.33
9	A₂	3118	2944	0.00
10	A₂	1204	1137	0.00
11	A₂	1067	1007	0.00
12	A₂	908	857	0.00
13	A₂	309	292	0.00
14	B₁	3132	2958	57.08
15	B₁	1128	1065	4.58
16	B₁	893	843	12.32
17	B₁	661	624	45.60
18	B₂	3212	3033	15.60
19	B₂	3076	2904	40.83
20	B₂	1527	1442	0.02
21	B₂	1360	1284	11.64
22	B₂	1270	1199	2.79
23	B₂	930	878	11.11
24	B₂	871	822	1.18

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.673	0.815
C2	0.000	-0.673	0.815
C3	0.000	0.784	-0.700
C4	0.000	-0.784	-0.700
H5	0.000	1.424	1.603
H6	0.000	-1.424	1.603
H7	0.891	1.245	-1.147
H8	-0.891	-1.245	-1.147
H9	-0.891	1.245	-1.147
H10	0.891	-1.245	-1.147

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10
C1		1.3450	1.5200	2.1025	1.0883	2.2393	2.2297	2.8844	2.2297	2.8844
C2	1.3450		2.1025	1.5200	2.2393	1.0883	2.8844	2.2297	2.8844	2.2297
C3	1.5200	2.1025		1.5687	2.3904	3.1908	1.0978	2.2606	1.0978	2.2606
C4	2.1025	1.5200	1.5687		3.1908	2.3904	2.2606	1.0978	2.2606	1.0978
H5	1.0883	2.2393	2.3904	3.1908		2.8476	2.8958	3.9338	2.8958	3.9338
H6	2.2393	1.0883	3.1908	2.3904	2.8476		3.9338	2.8958	3.9338	2.8958
H7	2.2297	2.8844	1.0978	2.2606	2.8958	3.9338		3.0617	1.7825	2.4893
H8	2.8844	2.2297	2.2606	1.0978	3.9338	2.8958	3.0617		2.4893	1.7825
H9	2.2297	2.8844	1.0978	2.2606	2.8958	3.9338	1.7825	2.4893		3.0617
H10	2.8844	2.2297	2.2606	1.0978	3.9338	2.8958	2.4893	1.7825	3.0617

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	94.218	C1	C2	H6	133.657
C1	C3	C4	85.782	C1	C3	H7	115.859
C1	C3	H9	115.859	C2	C1	C3	94.218
C2	C1	H5	133.657	C2	C4	C3	85.782
C2	C4	H8	115.859	C2	C4	H10	115.859
C3	C1	H5	132.125	C3	C4	H8	114.790
C3	C4	H10	114.790	C4	C2	H6	132.125
C4	C3	H7	114.790	C4	C3	H9	114.790
H7	C3	H9	108.544	H8	C4	H10	108.544

All results from a given calculation for C₄H₆ (Cyclobutene)

using model chemistry: CCSD/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 C4H6 (Cyclobutene)

using model chemistry: CCSD/6-31G*

States and conformations

All results from a given calculation for C₄H₆ (Cyclobutene)