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	hartrees
Energy at 0K	-376.909395
Energy at 298.15K	-376.913192
HF Energy	-376.232063
Nuclear repulsion energy	225.546744

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3571	3447	0.00
2	A_g	1636	1579	0.00
3	A_g	1315	1270	0.00
4	A_g	1169	1129	0.00
5	A_g	750	724	0.00
6	A_g	536	517	0.00
7	A_g	391	378	0.00
8	A_u	643	621	363.97
9	A_u	431	416	79.12
10	A_u	114	110	5.48
11	B_g	768	742	0.00
12	B_g	629	607	0.00
13	B_u	3571	3447	234.13
14	B_u	1671	1613	236.83
15	B_u	1234	1192	725.35
16	B_u	1105	1067	180.40
17	B_u	619	598	23.89
18	B_u	251	242	51.85

Atom	x (Å)	y (Å)
C1	-0.056	0.782
C2	0.056	-0.782
O3	1.164	1.427
O4	-1.164	-1.427
O5	-1.164	1.369
O6	1.164	-1.369
H7	1.925	0.790
H8	-1.925	-0.790

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5677	1.3801	2.4719	1.2547	2.4728	1.9802	2.4425
C2	1.5677		2.4719	1.3801	2.4728	1.2547	2.4425	1.9802
O3	1.3801	2.4719		3.6841	2.3295	2.7964	0.9918	3.8027
O4	2.4719	1.3801	3.6841		2.7964	2.3295	3.8027	0.9918
O5	1.2547	2.4728	2.3295	2.7964		3.5945	3.1428	2.2894
O6	2.4728	1.2547	2.7964	2.3295	3.5945		2.2894	3.1428
H7	1.9802	2.4425	0.9918	3.8027	3.1428	2.2894		4.1613
H8	2.4425	1.9802	3.8027	0.9918	2.2894	3.1428	4.1613

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.822	C1	C2	O6	121.964
C1	O3	H7	112.164	C2	C1	O3	113.822
C2	C1	O5	121.964	C2	O4	H8	112.164
O3	C1	O5	124.214	O4	C2	O6	124.214

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

using model chemistry: MP2/SDD

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: MP2/SDD

States and conformations

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