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	hartrees
Energy at 0K	-74.957344
Energy at 298.15K	-74.961617
HF Energy	-74.957344
Nuclear repulsion energy	127.197942

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	4040	3649	0.00
2	A_g	2036	1840	0.00
3	A_g	1603	1448	0.00
4	A_g	1339	1210	0.00
5	A_g	907	819	0.00
6	A_g	604	546	0.00
7	A_g	448	405	0.00
8	A_u	680	614	280.89
9	A_u	512	463	102.34
10	A_u	113	102	8.01
11	B_g	910	822	0.00
12	B_g	672	607	0.00
13	B_u	4042	3651	323.30
14	B_u	2017	1822	779.79
15	B_u	1461	1320	1029.42
16	B_u	1298	1172	29.37
17	B_u	730	659	34.21
18	B_u	291	263	51.17

Atom	x (Å)	y (Å)
C1	-0.051	0.775
C2	0.051	-0.775
O3	1.111	1.387
O4	-1.111	-1.387
O5	-1.111	1.311
O6	1.111	-1.311
H7	1.816	0.745
H8	-1.816	-0.745

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5530	1.3135	2.4079	1.1878	2.3880	1.8674	2.3290
C2	1.5530		2.4079	1.3135	2.3880	1.1878	2.3290	1.8674
O3	1.3135	2.4079		3.5546	2.2230	2.6988	0.9542	3.6211
O4	2.4079	1.3135	3.5546		2.6988	2.2230	3.6211	0.9542
O5	1.1878	2.3880	2.2230	2.6988		3.4373	2.9813	2.1736
O6	2.3880	1.1878	2.6988	2.2230	3.4373		2.1736	2.9813
H7	1.8674	2.3290	0.9542	3.6211	2.9813	2.1736		3.9257
H8	2.3290	1.8674	3.6211	0.9542	2.1736	2.9813	3.9257

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	114.026	C1	C2	O6	120.627
C1	O3	H7	109.858	C2	C1	O3	114.026
C2	C1	O5	120.627	C2	O4	H8	109.858
O3	C1	O5	125.347	O4	C2	O6	125.347

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

using model chemistry: HF/CEP-121G*

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	0.396
2	C	0.396
3	O	-0.511
4	O	-0.511
5	O	-0.391
6	O	-0.391
7	H	0.507
8	H	0.507

	x	y	z
x	5.906	-0.494	0.000
y	-0.494	4.391	0.000
z	0.000	0.000	2.736

<r²>	107.946
(<r²>)^1/2	10.390

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

using model chemistry: HF/CEP-121G*

States and conformations

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