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	hartrees
Energy at 0K	-377.581160
Energy at 298.15K	-377.585348
HF Energy	-376.411769
Nuclear repulsion energy	234.499690

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3674	3470	0.00
2	A_g	1844	1742	0.00
3	A_g	1492	1409	0.00
4	A_g	1254	1185	0.00
5	A_g	843	796	0.00
6	A_g	574	542	0.00
7	A_g	418	395	0.00
8	A_u	739	698	177.37
9	A_u	469	443	47.34
10	A_u	134	126	4.89
11	B_g	838	792	0.00
12	B_g	732	691	0.00
13	B_u	3680	3476	282.75
14	B_u	1874	1770	327.31
15	B_u	1370	1294	790.24
16	B_u	1233	1165	8.64
17	B_u	671	634	21.32
18	B_u	276	260	53.14

Atom	x (Å)	y (Å)
C1	-0.053	0.765
C2	0.053	-0.765
O3	1.127	1.361
O4	-1.127	-1.361
O5	-1.127	1.320
O6	1.127	-1.320
H7	1.780	0.637
H8	-1.780	-0.637

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5333	1.3224	2.3823	1.2091	2.3954	1.8375	2.2247
C2	1.5333		2.3823	1.3224	2.3954	1.2091	2.2247	1.8375
O3	1.3224	2.3823		3.5351	2.2548	2.6812	0.9750	3.5282
O4	2.3823	1.3224	3.5351		2.6812	2.2548	3.5282	0.9750
O5	1.2091	2.3954	2.2548	2.6812		3.4712	2.9863	2.0631
O6	2.3954	1.2091	2.6812	2.2548	3.4712		2.0631	2.9863
H7	1.8375	2.2247	0.9750	3.5282	2.9863	2.0631		3.7816
H8	2.2247	1.8375	3.5282	0.9750	2.0631	2.9863	3.7816

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	112.859	C1	C2	O6	121.279
C1	O3	H7	105.220	C2	C1	O3	112.859
C2	C1	O5	121.279	C2	O4	H8	105.220
O3	C1	O5	125.862	O4	C2	O6	125.862

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

using model chemistry: MP2/6-31G(2df,p)

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: MP2/6-31G(2df,p)

States and conformations

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