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	hartrees
Energy at 0K	-376.854128
Energy at 298.15K	-376.857979
HF Energy	-376.159028
Nuclear repulsion energy	227.940424

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3570	3440	0.00
2	A_g	1746	1682	0.00
3	A_g	1358	1309	0.00
4	A_g	1224	1179	0.00
5	A_g	786	758	0.00
6	A_g	545	525	0.00
7	A_g	411	396	0.00
8	A_u	626	603	357.55
9	A_u	421	405	79.82
10	A_u	115	111	4.99
11	B_g	711	685	0.00
12	B_g	604	582	0.00
13	B_u	3570	3440	178.65
14	B_u	1751	1688	253.79
15	B_u	1274	1228	712.79
16	B_u	1157	1115	119.74
17	B_u	646	623	20.60
18	B_u	268	259	51.46

Atom	x (Å)	y (Å)
C1	-0.052	0.771
C2	0.052	-0.771
O3	1.152	1.422
O4	-1.152	-1.422
O5	-1.152	1.345
O6	1.152	-1.345
H7	1.908	0.789
H8	-1.908	-0.789

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5447	1.3687	2.4528	1.2407	2.4345	1.9598	2.4241
C2	1.5447		2.4528	1.3687	2.4345	1.2407	2.4241	1.9598
O3	1.3687	2.4528		3.6596	2.3046	2.7673	0.9856	3.7747
O4	2.4528	1.3687	3.6596		2.7673	2.3046	3.7747	0.9856
O5	1.2407	2.4345	2.3046	2.7673		3.5420	3.1093	2.2647
O6	2.4345	1.2407	2.7673	2.3046	3.5420		2.2647	3.1093
H7	1.9598	2.4241	0.9856	3.7747	3.1093	2.2647		4.1289
H8	2.4241	1.9598	3.7747	0.9856	2.2647	3.1093	4.1289

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	114.544	C1	C2	O6	121.470
C1	O3	H7	111.662	C2	C1	O3	114.544
C2	C1	O5	121.470	C2	O4	H8	111.662
O3	C1	O5	123.985	O4	C2	O6	123.985

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

using model chemistry: QCISD/6-31G

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/6-31G

States and conformations

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