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	hartrees
Energy at 0K	-377.670432
Energy at 298.15K	-377.674477
HF Energy	-376.507420
Nuclear repulsion energy	234.229500

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3761	3563	0.00
2	A_g	1892	1793	0.00
3	A_g	1477	1400	0.00
4	A_g	1251	1186	0.00
5	A_g	842	798	0.00
6	A_g	573	543	0.00
7	A_g	414	392	0.00
8	A_u	655	620	214.43
9	A_u	455	431	74.95
10	A_u	109	103	4.88
11	B_g	817	774	0.00
12	B_g	640	606	0.00
13	B_u	3764	3567	255.36
14	B_u	1898	1799	480.71
15	B_u	1363	1291	780.04
16	B_u	1222	1158	27.45
17	B_u	687	651	24.96
18	B_u	264	251	51.04

Atom	x (Å)	y (Å)
C1	-0.053	0.770
C2	0.053	-0.770
O3	1.120	1.384
O4	-1.120	-1.384
O5	-1.120	1.318
O6	1.120	-1.318
H7	1.803	0.695
H8	-1.803	-0.695

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5438	1.3243	2.4043	1.1994	2.3947	1.8579	2.2829
C2	1.5438		2.4043	1.3243	2.3947	1.1994	2.2829	1.8579
O3	1.3243	2.4043		3.5616	2.2413	2.7020	0.9704	3.5878
O4	2.4043	1.3243	3.5616		2.7020	2.2413	3.5878	0.9704
O5	1.1994	2.3947	2.2413	2.7020		3.4588	2.9890	2.1258
O6	2.3947	1.1994	2.7020	2.2413	3.4588		2.1258	2.9890
H7	1.8579	2.2829	0.9704	3.5878	2.9890	2.1258		3.8657
H8	2.2829	1.8579	3.5878	0.9704	2.1258	2.9890	3.8657

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.700	C1	C2	O6	121.100
C1	O3	H7	107.122	C2	C1	O3	113.700
C2	C1	O5	121.100	C2	O4	H8	107.122
O3	C1	O5	125.200	O4	C2	O6	125.200

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

using model chemistry: CCSD=FULL/TZVP

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: CCSD=FULL/TZVP

States and conformations

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