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	hartrees
Energy at 0K	-377.504124
Energy at 298.15K	-377.508231
HF Energy	-376.436267
Nuclear repulsion energy	232.844106

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3711	3711	0.00
2	A_g	1859	1859	0.00
3	A_g	1481	1481	0.00
4	A_g	1256	1256	0.00
5	A_g	838	838	0.00
6	A_g	566	566	0.00
7	A_g	412	412	0.00
8	A_u	677	677	181.11
9	A_u	475	475	58.02
10	A_u	120	120	5.75
11	B_g	843	843	0.00
12	B_g	671	671	0.00
13	B_u	3714	3714	242.00
14	B_u	1866	1866	471.51
15	B_u	1363	1363	761.54
16	B_u	1213	1213	35.76
17	B_u	670	670	23.36
18	B_u	265	265	48.28

Atom	x (Å)	y (Å)
C1	-0.052	0.770
C2	0.052	-0.770
O3	1.127	1.391
O4	-1.127	-1.391
O5	-1.127	1.326
O6	1.127	-1.326
H7	1.814	0.699
H8	-1.814	-0.699

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5440	1.3332	2.4138	1.2102	2.4054	1.8677	2.2940
C2	1.5440		2.4138	1.3332	2.4054	1.2102	2.2940	1.8677
O3	1.3332	2.4138		3.5810	2.2558	2.7169	0.9745	3.6085
O4	2.4138	1.3332	3.5810		2.7169	2.2558	3.6085	0.9745
O5	1.2102	2.4054	2.2558	2.7169		3.4810	3.0074	2.1385
O6	2.4054	1.2102	2.7169	2.2558	3.4810		2.1385	3.0074
H7	1.8677	2.2940	0.9745	3.6085	3.0074	2.1385		3.8882
H8	2.2940	1.8677	3.6085	0.9745	2.1385	3.0074	3.8882

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.856	C1	C2	O6	121.231
C1	O3	H7	107.039	C2	C1	O3	113.856
C2	C1	O5	121.231	C2	O4	H8	107.039
O3	C1	O5	124.914	O4	C2	O6	124.914

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

using model chemistry: CCSD=FULL/aug-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: CCSD=FULL/aug-cc-pVDZ

States and conformations

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