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	hartrees
Energy at 0K	-156.398325
Energy at 298.15K	-156.407579
HF Energy	-156.028341
Nuclear repulsion energy	125.722342

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3139	2982	0.00
2	A₁	3091	2937	0.00
3	A₁	1586	1507	0.00
4	A₁	1238	1176	0.00
5	A₁	1020	969	0.00
6	A₁	245	232	0.00
7	A₂	1320	1254	0.00
8	A₂	990	940	0.00
9	B₁	1307	1241	0.00
10	B₁	1204	1144	0.00
11	B₁	948	901	0.00
12	B₂	3167	3009	96.94
13	B₂	3084	2931	14.80
14	B₂	1571	1493	4.64
15	B₂	947	900	0.00
16	B₂	651	618	2.55
17	E	3149	2992	23.52
17	E	3149	2992	23.52
18	E	3086	2932	61.55
18	E	3086	2932	61.55
19	E	1561	1483	0.85
19	E	1561	1483	0.85
20	E	1341	1274	1.35
20	E	1341	1274	1.35
21	E	1279	1216	0.45
21	E	1279	1216	0.45
22	E	921	875	3.67
22	E	921	875	3.67
23	E	787	748	0.31
23	E	787	748	0.31

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.093	0.140
C2	0.000	-1.093	0.140
C3	-1.093	0.000	-0.140
C4	1.093	0.000	-0.140
H5	0.000	1.391	1.198
H6	0.000	1.996	-0.483
H7	0.000	-1.391	1.198
H8	0.000	-1.996	-0.483
H9	-1.391	0.000	-1.198
H10	-1.996	0.000	0.483
H11	1.391	0.000	-1.198
H12	1.996	0.000	0.483

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1868	1.5715	1.5715	1.0988	1.0967	2.7003	3.1517	2.2183	2.3016	2.2183	2.3016
C2	2.1868		1.5715	1.5715	2.7003	3.1517	1.0988	1.0967	2.2183	2.3016	2.2183	2.3016
C3	1.5715	1.5715		2.1868	2.2183	2.3016	2.2183	2.3016	1.0988	1.0967	2.7003	3.1517
C4	1.5715	1.5715	2.1868		2.2183	2.3016	2.2183	2.3016	2.7003	3.1517	1.0988	1.0967
H5	1.0988	2.7003	2.2183	2.2183		1.7861	2.7822	3.7812	3.1000	2.5360	3.1000	2.5360
H6	1.0967	3.1517	2.3016	2.3016	1.7861		3.7812	3.9923	2.5360	2.9834	2.5360	2.9834
H7	2.7003	1.0988	2.2183	2.2183	2.7822	3.7812		1.7861	3.1000	2.5360	3.1000	2.5360
H8	3.1517	1.0967	2.3016	2.3016	3.7812	3.9923	1.7861		2.5360	2.9834	2.5360	2.9834
H9	2.2183	2.2183	1.0988	2.7003	3.1000	2.5360	3.1000	2.5360		1.7861	2.7822	3.7812
H10	2.3016	2.3016	1.0967	3.1517	2.5360	2.9834	2.5360	2.9834	1.7861		3.7812	3.9923
H11	2.2183	2.2183	2.7003	1.0988	3.1000	2.5360	3.1000	2.5360	2.7822	3.7812		1.7861
H12	2.3016	2.3016	3.1517	1.0967	2.5360	2.9834	2.5360	2.9834	3.7812	3.9923	1.7861

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	88.177	C1	C3	H9	111.111
C1	C3	H10	118.128	C1	C4	C2	88.177
C1	C4	H11	111.111	C1	C4	H12	118.128
C2	C3	H9	111.111	C2	C3	H10	118.128
C2	C4	H11	111.111	C2	C4	H12	118.128
C3	C1	C4	88.177	C3	C1	H5	111.111
C3	C1	H6	118.128	C3	C2	C4	88.177
C3	C2	H7	111.111	C3	C2	H8	118.128
C4	C1	H5	111.111	C4	C1	H6	118.128
C4	C2	H7	111.111	C4	C2	H8	118.128
H5	C1	H6	108.881	H7	C2	H8	108.881
H9	C3	H10	108.881	H11	C4	H12	108.881

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2=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: MP2=FULL/6-31G

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)