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	hartrees
Energy at 0K	-378.034108
Energy at 298.15K
HF Energy	-377.697256
Nuclear repulsion energy	232.985017

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3683	3683	0.00
2	A_g	1822	1822	0.00
3	A_g	1450	1450	0.00
4	A_g	1226	1226	0.00
5	A_g	827	827	0.00
6	A_g	561	561	0.00
7	A_g	410	410	0.00
8	A_u	692	692	217.78
9	A_u	460	460	66.25
10	A_u	120	120	6.81
11	B_g	796	796	0.00
12	B_g	679	679	0.00
13	B_u	3686	3686	270.84
14	B_u	1841	1841	459.89
15	B_u	1333	1333	820.60
16	B_u	1209	1209	9.46
17	B_u	664	664	22.04
18	B_u	265	265	53.27

Atom	x (Å)	y (Å)
C1	-0.051	0.769
C2	0.051	-0.769
O3	1.128	1.382
O4	-1.128	-1.382
O5	-1.128	1.328
O6	1.128	-1.328
H7	1.821	0.693
H8	-1.821	-0.693

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5412	1.3287	2.4056	1.2138	2.4053	1.8731	2.2961
C2	1.5412		2.4056	1.3287	2.4053	1.2138	2.2961	1.8731
O3	1.3287	2.4056		3.5678	2.2570	2.7096	0.9767	3.6061
O4	2.4056	1.3287	3.5678		2.7096	2.2570	3.6061	0.9767
O5	1.2138	2.4053	2.2570	2.7096		3.4846	3.0166	2.1365
O6	2.4053	1.2138	2.7096	2.2570	3.4846		2.1365	3.0166
H7	1.8731	2.2961	0.9767	3.6061	3.0166	2.1365		3.8970
H8	2.2961	1.8731	3.6061	0.9767	2.1365	3.0166	3.8970

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.704	C1	C2	O6	121.178
C1	O3	H7	107.705	C2	C1	O3	113.704
C2	C1	O5	121.178	C2	O4	H8	107.705
O3	C1	O5	125.119	O4	C2	O6	125.119

All results from a given calculation for C₂H₂O₄ (Oxalic Acid)

using model chemistry: B2PLYP=FULLultrafine/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 C2H2O4 (Oxalic Acid)

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

States and conformations

All results from a given calculation for C₂H₂O₄ (Oxalic Acid)