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	hartrees
Energy at 0K	-374.924690
Energy at 298.15K	-374.928744
HF Energy	-374.241585
Nuclear repulsion energy	229.425136

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3453	3318	0.00
2	A_g	1779	1710	0.00
3	A_g	1380	1326	0.00
4	A_g	1209	1162	0.00
5	A_g	765	735	0.00
6	A_g	562	540	0.00
7	A_g	410	394	0.00
8	A_u	672	646	315.40
9	A_u	462	444	46.40
10	A_u	158	152	2.24
11	B_g	797	766	0.00
12	B_g	668	642	0.00
13	B_u	3454	3320	142.57
14	B_u	1803	1733	175.93
15	B_u	1307	1256	730.20
16	B_u	1167	1122	117.50
17	B_u	658	632	22.73
18	B_u	262	252	56.75

Atom	x (Å)	y (Å)
C1	-0.059	0.771
C2	0.059	-0.771
O3	1.154	1.393
O4	-1.154	-1.393
O5	-1.154	1.334
O6	1.154	-1.334
H7	1.865	0.691
H8	-1.865	-0.691

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5458	1.3635	2.4251	1.2321	2.4296	1.9255	2.3232
C2	1.5458		2.4251	1.3635	2.4296	1.2321	2.3232	1.9255
O3	1.3635	2.4251		3.6182	2.3097	2.7272	0.9991	3.6685
O4	2.4251	1.3635	3.6182		2.7272	2.3097	3.6685	0.9991
O5	1.2321	2.4296	2.3097	2.7272		3.5289	3.0873	2.1459
O6	2.4296	1.2321	2.7272	2.3097	3.5289		2.1459	3.0873
H7	1.9255	2.3232	0.9991	3.6685	3.0873	2.1459		3.9775
H8	2.3232	1.9255	3.6685	0.9991	2.1459	3.0873	3.9775

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	112.785	C1	C2	O6	121.587
C1	O3	H7	108.185	C2	C1	O3	112.785
C2	C1	O5	121.587	C2	O4	H8	108.185
O3	C1	O5	125.628	O4	C2	O6	125.628

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

using model chemistry: QCISD/3-21G*

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: QCISD/3-21G*

States and conformations

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