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	hartrees
Energy at 0K	-377.969932
Energy at 298.15K	-377.974078
HF Energy	-377.969932
Nuclear repulsion energy	234.784592

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3674	3506	0.00
2	A_g	1896	1809	0.00
3	A_g	1501	1432	0.00
4	A_g	1249	1192	0.00
5	A_g	850	812	0.00
6	A_g	575	549	0.00
7	A_g	412	393	0.00
8	A_u	736	703	211.26
9	A_u	457	436	54.31
10	A_u	135	129	5.97
11	B_g	804	767	0.00
12	B_g	726	693	0.00
13	B_u	3679	3511	265.51
14	B_u	1917	1829	425.76
15	B_u	1374	1311	862.48
16	B_u	1248	1191	10.40
17	B_u	676	645	22.65
18	B_u	268	256	58.98

Atom	x (Å)	y (Å)
C1	-0.051	0.766
C2	0.051	-0.766
O3	1.125	1.360
O4	-1.125	-1.360
O5	-1.125	1.316
O6	1.125	-1.316
H7	1.791	0.646
H8	-1.791	-0.646

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5356	1.3175	2.3827	1.2071	2.3909	1.8454	2.2408
C2	1.5356		2.3827	1.3175	2.3909	1.2071	2.2408	1.8454
O3	1.3175	2.3827		3.5310	2.2510	2.6761	0.9768	3.5394
O4	2.3827	1.3175	3.5310		2.6761	2.2510	3.5394	0.9768
O5	1.2071	2.3909	2.2510	2.6761		3.4626	2.9922	2.0711
O6	2.3909	1.2071	2.6761	2.2510	3.4626		2.0711	2.9922
H7	1.8454	2.2408	0.9768	3.5394	2.9922	2.0711		3.8073
H8	2.2408	1.8454	3.5394	0.9768	2.0711	2.9922	3.8073

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	113.037	C1	C2	O6	120.861
C1	O3	H7	106.141	C2	C1	O3	113.037
C2	C1	O5	120.861	C2	O4	H8	106.141
O3	C1	O5	126.102	O4	C2	O6	126.102

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

using model chemistry: HSEh1PBE/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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Number	Element	Mulliken
1	C	0.566
2	C	0.566
3	O	-0.471
4	O	-0.471
5	O	-0.461
6	O	-0.461
7	H	0.366
8	H	0.366

	x	y	z
x	6.245	-0.278	0.000
y	-0.278	4.573	0.000
z	0.000	0.000	2.349

<r²>	133.489
(<r²>)^1/2	11.554

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

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

States and conformations

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