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	hartrees
Energy at 0K	-550.136377
Energy at 298.15K
HF Energy	-548.952793
Nuclear repulsion energy	352.843490

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	1716	1596	0.00
2	A_1g	631	587	0.00
3	A_2g	904	841	0.00
4	A_2u	468	435	85.12
5	B_1g	1361	1267	0.00
6	B_1g	535	498	0.00
7	B_2g	259	241	0.00
8	B_2g	3426i	3188i	0.00
9	B_2u	334	311	0.00
10	B_2u	140	130	0.00
11	E_g	704	655	0.00
11	E_g	704	655	0.00
12	E_u	1560	1452	261.49
12	E_u	1560	1452	261.49
13	E_u	994	925	787.71
13	E_u	994	925	787.71
14	E_u	315	293	31.92
14	E_u	315	293	31.92

Atom	x (Å)	y (Å)
C1	0.000	1.013
C2	1.013	0.000
C3	0.000	-1.013
C4	-1.013	0.000
F5	0.000	2.334
F6	2.334	0.000
F7	0.000	-2.334
F8	-2.334	0.000

	C1	C2	C3	C4	F5	F6	F7	F8
C1		1.4326	2.0260	1.4326	1.3209	2.5443	3.3469	2.5443
C2	1.4326		1.4326	2.0260	2.5443	1.3209	2.5443	3.3469
C3	2.0260	1.4326		1.4326	3.3469	2.5443	1.3209	2.5443
C4	1.4326	2.0260	1.4326		2.5443	3.3469	2.5443	1.3209
F5	1.3209	2.5443	3.3469	2.5443		3.3006	4.6678	3.3006
F6	2.5443	1.3209	2.5443	3.3469	3.3006		3.3006	4.6678
F7	3.3469	2.5443	1.3209	2.5443	4.6678	3.3006		3.3006
F8	2.5443	3.3469	2.5443	1.3209	3.3006	4.6678	3.3006

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	90.000	C1	C2	F6	135.000
C1	C4	C3	90.000	C1	C4	F8	135.000
C2	C1	C4	90.000	C2	C1	F5	135.000
C2	C3	C4	90.000	C2	C3	F7	135.000
C3	C2	F6	135.000	C3	C4	F8	135.000
C4	C1	F5	135.000	C4	C3	F7	135.000

All results from a given calculation for C₄F₄ (tetrafluorcyclobutadiene)

using model chemistry: MP3/6-31+G**

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 C4F4 (tetrafluorcyclobutadiene)

using model chemistry: MP3/6-31+G**

States and conformations

All results from a given calculation for C₄F₄ (tetrafluorcyclobutadiene)