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	hartrees
Energy at 0K	-377.986314
Energy at 298.15K	-377.990416
HF Energy	-377.986314
Nuclear repulsion energy	234.352830

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3688	3521	0.00
2	A_g	1877	1792	0.00
3	A_g	1477	1410	0.00
4	A_g	1231	1176	0.00
5	A_g	843	805	0.00
6	A_g	567	541	0.00
7	A_g	408	390	0.00
8	A_u	714	682	218.36
9	A_u	465	444	61.43
10	A_u	126	121	7.15
11	B_g	815	778	0.00
12	B_g	705	673	0.00
13	B_u	3692	3525	284.33
14	B_u	1896	1811	528.26
15	B_u	1352	1291	835.36
16	B_u	1231	1175	8.22
17	B_u	672	642	22.39
18	B_u	261	249	58.10

Atom	x (Å)	y (Å)
C1	-0.050	0.768
C2	0.050	-0.768
O3	1.123	1.370
O4	-1.123	-1.370
O5	-1.123	1.320
O6	1.123	-1.320
H7	1.807	0.674
H8	-1.807	-0.674

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5390	1.3183	2.3922	1.2068	2.3945	1.8593	2.2731
C2	1.5390		2.3922	1.3183	2.3945	1.2068	2.2731	1.8593
O3	1.3183	2.3922		3.5429	2.2466	2.6897	0.9762	3.5725
O4	2.3922	1.3183	3.5429		2.6897	2.2466	3.5725	0.9762
O5	1.2068	2.3945	2.2466	2.6897		3.4657	3.0006	2.1076
O6	2.3945	1.2068	2.6897	2.2466	3.4657		2.1076	3.0006
H7	1.8593	2.2731	0.9762	3.5725	3.0006	2.1076		3.8574
H8	2.2731	1.8593	3.5725	0.9762	2.1076	3.0006	3.8574

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.470	C1	C2	O6	120.916
C1	O3	H7	107.322	C2	C1	O3	113.470
C2	C1	O5	120.916	C2	O4	H8	107.322
O3	C1	O5	125.613	O4	C2	O6	125.613

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

using model chemistry: HSEh1PBE/6-31+G**

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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Number	Element	Mulliken
1	C	0.494
2	C	0.494
3	O	-0.405
4	O	-0.405
5	O	-0.471
6	O	-0.471
7	H	0.382
8	H	0.382

	x	y	z
x	7.144	-0.365	0.000
y	-0.365	5.624	0.000
z	0.000	0.000	3.292

<r²>	134.849
(<r²>)^1/2	11.612

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

using model chemistry: HSEh1PBE/6-31+G**

States and conformations

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