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	hartrees
Energy at 0K	-156.913623
Energy at 298.15K	-156.922793
HF Energy	-156.149839
Nuclear repulsion energy	127.113592

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3105	3027
2	A₁	3064	2987
3	A₁	1526	1487
4	A₁	1180	1150
5	A₁	1026	1000
6	A₁	231	225
7	A₂	1255	1223
8	A₂	959	935
9	B₁	1259	1228
10	B₁	1168	1139
11	B₁	943	919
12	B₂	3132	3053
13	B₂	3058	2981
14	B₂	1493	1456
15	B₂	910	887
16	B₂	620	604
17	E	3116	3037
17	E	3116	3037
18	E	3059	2982
18	E	3059	2982
19	E	1486	1449
19	E	1486	1449
20	E	1288	1256
20	E	1288	1256
21	E	1254	1222
21	E	1254	1222
22	E	917	894
22	E	917	894
23	E	755	736
23	E	755	736

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.078	0.145
C2	0.000	-1.078	0.145
C3	-1.078	0.000	-0.145
C4	1.078	0.000	-0.145
H5	0.000	1.353	1.202
H6	0.000	1.985	-0.460
H7	0.000	-1.353	1.202
H8	0.000	-1.985	-0.460
H9	-1.353	0.000	-1.202
H10	-1.985	0.000	0.460
H11	1.353	0.000	-1.202
H12	1.985	0.000	0.460

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1566	1.5524	1.5524	1.0920	1.0901	2.6513	3.1225	2.1932	2.2807	2.1932	2.2807
C2	2.1566		1.5524	1.5524	2.6513	3.1225	1.0920	1.0901	2.1932	2.2807	2.1932	2.2807
C3	1.5524	1.5524		2.1566	2.1932	2.2807	2.1932	2.2807	1.0920	1.0901	2.6513	3.1225
C4	1.5524	1.5524	2.1566		2.1932	2.2807	2.1932	2.2807	2.6513	3.1225	1.0920	1.0901
H5	1.0920	2.6513	2.1932	2.1932		1.7780	2.7065	3.7291	3.0730	2.5145	3.0730	2.5145
H6	1.0901	3.1225	2.2807	2.2807	1.7780		3.7291	3.9700	2.5145	2.9540	2.5145	2.9540
H7	2.6513	1.0920	2.1932	2.1932	2.7065	3.7291		1.7780	3.0730	2.5145	3.0730	2.5145
H8	3.1225	1.0901	2.2807	2.2807	3.7291	3.9700	1.7780		2.5145	2.9540	2.5145	2.9540
H9	2.1932	2.1932	1.0920	2.6513	3.0730	2.5145	3.0730	2.5145		1.7780	2.7065	3.7291
H10	2.2807	2.2807	1.0901	3.1225	2.5145	2.9540	2.5145	2.9540	1.7780		3.7291	3.9700
H11	2.1932	2.1932	2.6513	1.0920	3.0730	2.5145	3.0730	2.5145	2.7065	3.7291		1.7780
H12	2.2807	2.2807	3.1225	1.0901	2.5145	2.9540	2.5145	2.9540	3.7291	3.9700	1.7780

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.990	C1	C3	H9	110.865
C1	C3	H10	118.277	C1	C4	C2	87.990
C1	C4	H11	110.865	C1	C4	H12	118.277
C2	C3	H9	110.865	C2	C3	H10	118.277
C2	C4	H11	110.865	C2	C4	H12	118.277
C3	C1	C4	87.990	C3	C1	H5	110.865
C3	C1	H6	118.277	C3	C2	C4	87.990
C3	C2	H7	110.865	C3	C2	H8	118.277
C4	C1	H5	110.865	C4	C1	H6	118.277
C4	C2	H7	110.865	C4	C2	H8	118.277
H5	C1	H6	109.138	H7	C2	H8	109.138
H9	C3	H10	109.138	H11	C4	H12	109.138

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: CCSD(T)/cc-pVTZ

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: CCSD(T)/cc-pVTZ

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)