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	hartrees
Energy at 0K	-156.676926
Energy at 298.15K	-156.686144
HF Energy	-156.106209
Nuclear repulsion energy	126.766434

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3160	3010	0.00
2	A₁	3108	2961	0.00
3	A₁	1519	1447	0.00
4	A₁	1177	1121	0.00
5	A₁	1053	1003	0.00
6	A₁	255	243	0.00
7	A₂	1248	1188	0.00
8	A₂	960	915	0.00
9	B₁	1264	1204	0.00
10	B₁	1166	1111	0.00
11	B₁	962	916	0.00
12	B₂	3187	3035	71.81
13	B₂	3100	2952	14.56
14	B₂	1481	1410	5.39
15	B₂	920	876	0.03
16	B₂	621	592	2.42
17	E	3172	3022	20.83
17	E	3172	3022	20.83
18	E	3102	2954	60.15
18	E	3102	2954	60.15
19	E	1473	1403	0.40
19	E	1473	1403	0.40
20	E	1292	1231	0.96
20	E	1292	1231	0.96
21	E	1255	1195	0.23
21	E	1255	1195	0.23
22	E	934	890	2.12
22	E	934	890	2.12
23	E	762	726	0.38
23	E	762	726	0.38

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.076	0.155
C2	0.000	-1.076	0.155
C3	-1.076	0.000	-0.155
C4	1.076	0.000	-0.155
H5	0.000	1.327	1.229
H6	0.000	2.009	-0.432
H7	0.000	-1.327	1.229
H8	0.000	-2.009	-0.432
H9	-1.327	0.000	-1.229
H10	-2.009	0.000	0.432
H11	1.327	0.000	-1.229
H12	2.009	0.000	0.432

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1521	1.5530	1.5530	1.1034	1.1020	2.6324	3.1403	2.1989	2.2957	2.1989	2.2957
C2	2.1521		1.5530	1.5530	2.6324	3.1403	1.1034	1.1020	2.1989	2.2957	2.1989	2.2957
C3	1.5530	1.5530		2.1521	2.1989	2.2957	2.1989	2.2957	1.1034	1.1020	2.6324	3.1403
C4	1.5530	1.5530	2.1521		2.1989	2.2957	2.1989	2.2957	2.6324	3.1403	1.1034	1.1020
H5	1.1034	2.6324	2.1989	2.1989		1.7957	2.6541	3.7267	3.0932	2.5363	3.0932	2.5363
H6	1.1020	3.1403	2.2957	2.2957	1.7957		3.7267	4.0178	2.5363	2.9694	2.5363	2.9694
H7	2.6324	1.1034	2.1989	2.1989	2.6541	3.7267		1.7957	3.0932	2.5363	3.0932	2.5363
H8	3.1403	1.1020	2.2957	2.2957	3.7267	4.0178	1.7957		2.5363	2.9694	2.5363	2.9694
H9	2.1989	2.1989	1.1034	2.6324	3.0932	2.5363	3.0932	2.5363		1.7957	2.6541	3.7267
H10	2.2957	2.2957	1.1020	3.1403	2.5363	2.9694	2.5363	2.9694	1.7957		3.7267	4.0178
H11	2.1989	2.1989	2.6324	1.1034	3.0932	2.5363	3.0932	2.5363	2.6541	3.7267		1.7957
H12	2.2957	2.2957	3.1403	1.1020	2.5363	2.9694	2.5363	2.9694	3.7267	4.0178	1.7957

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.719	C1	C3	H9	110.602
C1	C3	H10	118.707	C1	C4	C2	87.719
C1	C4	H11	110.602	C1	C4	H12	118.707
C2	C3	H9	110.602	C2	C3	H10	118.707
C2	C4	H11	110.602	C2	C4	H12	118.707
C3	C1	C4	87.719	C3	C1	H5	110.602
C3	C1	H6	118.707	C3	C2	C4	87.719
C3	C2	H7	110.602	C3	C2	H8	118.707
C4	C1	H5	110.602	C4	C1	H6	118.707
C4	C2	H7	110.602	C4	C2	H8	118.707
H5	C1	H6	109.019	H7	C2	H8	109.019
H9	C3	H10	109.019	H11	C4	H12	109.019

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)