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	hartrees
Energy at 0K	-277.621288
Energy at 298.15K
HF Energy	-276.939817
Nuclear repulsion energy	125.637843

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3117	2931	0.00
2	A_g	1530	1439	0.00
3	A_g	1488	1400	0.00
4	A_g	1140	1072	0.00
5	A_g	1109	1043	0.00
6	A_g	469	441	0.00
7	A_u	3191	3000	65.56
8	A_u	1255	1180	5.18
9	A_u	822	773	0.21
10	A_u	129	122	13.12
11	B_g	3167	2978	0.00
12	B_g	1312	1234	0.00
13	B_g	1195	1124	0.00
14	B_u	3119	2933	61.10
15	B_u	1540	1448	2.14
16	B_u	1375	1293	21.14
17	B_u	1139	1071	191.41
18	B_u	280	263	18.67

Atom	x (Å)	y (Å)	z (Å)
C1	0.423	0.631	0.000
C2	-0.423	-0.631	0.000
F3	-0.423	1.723	0.000
F4	0.423	-1.723	0.000
H5	1.062	0.665	0.897
H6	1.062	0.665	-0.897
H7	-1.062	-0.665	0.897
H8	-1.062	-0.665	-0.897

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5203	1.3810	2.3542	1.1018	1.1018	2.1662	2.1662
C2	1.5203		2.3542	1.3810	2.1662	2.1662	1.1018	1.1018
F3	1.3810	2.3542		3.5479	2.0318	2.0318	2.6299	2.6299
F4	2.3542	1.3810	3.5479		2.6299	2.6299	2.0318	2.0318
H5	1.1018	2.1662	2.0318	2.6299		1.7942	2.5064	3.0824
H6	1.1018	2.1662	2.0318	2.6299	1.7942		3.0824	2.5064
H7	2.1662	1.1018	2.6299	2.0318	2.5064	3.0824		1.7942
H8	2.1662	1.1018	2.6299	2.0318	3.0824	2.5064	1.7942

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	108.381	C1	C2	H7	110.384
C1	C2	H8	110.384	C2	C1	F3	108.381
C2	C1	H5	110.384	C2	C1	H6	110.384
F3	C1	H5	109.327	F3	C1	H6	109.327
F4	C2	H7	109.327	F4	C2	H8	109.327
H5	C1	H6	109.017	H7	C2	H8	109.017

All results from a given calculation for C₂H₄F₂ (1,2-difluoroethane)

using model chemistry: MP3=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 C2H4F2 (1,2-difluoroethane)

using model chemistry: MP3=FULL/cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄F₂ (1,2-difluoroethane)