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	hartrees
Energy at 0K	-377.453860
Energy at 298.15K	-377.457985
HF Energy	-376.404094
Nuclear repulsion energy	232.993915

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3668	3517
2	A_g	1859	1783
3	A_g	1495	1434
4	A_g	1254	1203
5	A_g	834	799
6	A_g	569	545
7	A_g	408	392
8	A_u	704	676
9	A_u	463	444
10	A_u	134	129
11	B_g	825	791
12	B_g	703	674
13	B_u	3673	3522
14	B_u	1867	1791
15	B_u	1378	1321
16	B_u	1218	1169
17	B_u	668	641
18	B_u	261	250

Atom	x (Å)	y (Å)
C1	-0.053	0.770
C2	0.053	-0.770
O3	1.133	1.378
O4	-1.133	-1.378
O5	-1.133	1.325
O6	1.133	-1.325
H7	1.787	0.649
H8	-1.787	-0.649

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5439	1.3332	2.4043	1.2141	2.4079	1.8442	2.2403
C2	1.5439		2.4043	1.3332	2.4079	1.2141	2.2403	1.8442
O3	1.3332	2.4043		3.5683	2.2668	2.7034	0.9793	3.5547
O4	2.4043	1.3332	3.5683		2.7034	2.2668	3.5547	0.9793
O5	1.2141	2.4079	2.2668	2.7034		3.4872	2.9972	2.0797
O6	2.4079	1.2141	2.7034	2.2668	3.4872		2.0797	2.9972
H7	1.8442	2.2403	0.9793	3.5547	2.9972	2.0797		3.8022
H8	2.2403	1.8442	3.5547	0.9793	2.0797	2.9972	3.8022

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.170	C1	C2	O6	121.177
C1	O3	H7	104.746	C2	C1	O3	113.170
C2	C1	O5	121.177	C2	O4	H8	104.746
O3	C1	O5	125.653	O4	C2	O6	125.653

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

using model chemistry: QCISD(T)=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 C2H2O4 (Oxalic Acid)

using model chemistry: QCISD(T)=FULL/cc-pVDZ

States and conformations

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