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	hartrees
Energy at 0K	-156.756890
Energy at 298.15K	-156.766067
HF Energy	-156.105873
Nuclear repulsion energy	126.345419

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3125	3016
2	A₁	3080	2972
3	A₁	1515	1462
4	A₁	1173	1132
5	A₁	1037	1000
6	A₁	243	235
7	A₂	1243	1200
8	A₂	954	920
9	B₁	1261	1217
10	B₁	1161	1121
11	B₁	949	915
12	B₂	3152	3042
13	B₂	3070	2963
14	B₂	1477	1426
15	B₂	913	882
16	B₂	619	598
17	E	3137	3027
17	E	3137	3027
18	E	3072	2965
18	E	3072	2965
19	E	1471	1420
19	E	1471	1420
20	E	1290	1245
20	E	1290	1245
21	E	1246	1202
21	E	1246	1202
22	E	921	889
22	E	921	889
23	E	753	727
23	E	753	727

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	1.081	0.151
C2	0.000	-1.081	0.151
C3	-1.081	0.000	-0.151
C4	1.081	0.000	-0.151
H5	0.000	1.347	1.224
H6	0.000	2.008	-0.449
H7	0.000	-1.347	1.224
H8	0.000	-2.008	-0.449
H9	-1.347	0.000	-1.224
H10	-2.008	0.000	0.449
H11	1.347	0.000	-1.224
H12	2.008	0.000	0.449

	C1	C2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		2.1621	1.5582	1.5582	1.1055	1.1040	2.6549	3.1468	2.2073	2.3001	2.2073	2.3001
C2	2.1621		1.5582	1.5582	2.6549	3.1468	1.1055	1.1040	2.2073	2.3001	2.2073	2.3001
C3	1.5582	1.5582		2.1621	2.2073	2.3001	2.2073	2.3001	1.1055	1.1040	2.6549	3.1468
C4	1.5582	1.5582	2.1621		2.2073	2.3001	2.2073	2.3001	2.6549	3.1468	1.1055	1.1040
H5	1.1055	2.6549	2.2073	2.2073		1.7981	2.6947	3.7492	3.1014	2.5394	3.1014	2.5394
H6	1.1040	3.1468	2.3001	2.3001	1.7981		3.7492	4.0164	2.5394	2.9784	2.5394	2.9784
H7	2.6549	1.1055	2.2073	2.2073	2.6947	3.7492		1.7981	3.1014	2.5394	3.1014	2.5394
H8	3.1468	1.1040	2.3001	2.3001	3.7492	4.0164	1.7981		2.5394	2.9784	2.5394	2.9784
H9	2.2073	2.2073	1.1055	2.6549	3.1014	2.5394	3.1014	2.5394		1.7981	2.6947	3.7492
H10	2.3001	2.3001	1.1040	3.1468	2.5394	2.9784	2.5394	2.9784	1.7981		3.7492	4.0164
H11	2.2073	2.2073	2.6549	1.1055	3.1014	2.5394	3.1014	2.5394	2.6947	3.7492		1.7981
H12	2.3001	2.3001	3.1468	1.1040	2.5394	2.9784	2.5394	2.9784	3.7492	4.0164	1.7981

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C2	87.860	C1	C3	H9	110.772
C1	C3	H10	118.540	C1	C4	C2	87.860
C1	C4	H11	110.772	C1	C4	H12	118.540
C2	C3	H9	110.772	C2	C3	H10	118.540
C2	C4	H11	110.772	C2	C4	H12	118.540
C3	C1	C4	87.860	C3	C1	H5	110.772
C3	C1	H6	118.540	C3	C2	C4	87.860
C3	C2	H7	110.772	C3	C2	H8	118.540
C4	C1	H5	110.772	C4	C1	H6	118.540
C4	C2	H7	110.772	C4	C2	H8	118.540
H5	C1	H6	108.939	H7	C2	H8	108.939
H9	C3	H10	108.939	H11	C4	H12	108.939

All results from a given calculation for C₄H₈ (cyclobutane)

using model chemistry: MP4=FULL/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: MP4=FULL/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₈ (cyclobutane)