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	hartrees
Energy at 0K	-2687.729463
Energy at 298.15K	-2687.731759
HF Energy	-2687.239882
Nuclear repulsion energy	447.717662

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3665	3449	13.52
2	A	1089	1025	105.57
3	A	954	898	39.41
4	A	776	731	62.03
5	A	380	358	79.69
6	A	324	305	54.82
7	A	261	246	6.14
8	A	156	147	59.95
9	B	3662	3447	226.06
10	B	1109	1044	66.08
11	B	1017	957	21.14
12	B	797	750	156.40
13	B	360	339	70.71
14	B	309	291	79.45
15	B	217	205	243.53

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.116
O2	0.000	1.432	0.912
O3	0.000	-1.432	0.912
O4	1.295	-0.063	-1.044
O5	-1.295	0.063	-1.044
H6	1.895	-0.836	-0.924
H7	-1.895	0.836	-0.924

	Se1	O2	O3	O4	O5	H6	H7
Se1		1.6384	1.6384	1.7397	1.7397	2.3179	2.3179
O2	1.6384		2.8639	2.7819	2.7160	3.4796	2.7054
O3	1.6384	2.8639		2.7160	2.7819	2.7054	3.4796
O4	1.7397	2.7819	2.7160		2.5925	0.9858	3.3163
O5	1.7397	2.7160	2.7819	2.5925		3.3163	0.9858
H6	2.3179	3.4796	2.7054	0.9858	3.3163		4.1426
H7	2.3179	2.7054	3.4796	3.3163	0.9858	4.1426

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Se1	O4	H6	113.625	Se1	O5	H7	113.625
O2	Se1	O3	121.860	O2	Se1	O4	110.846
O2	Se1	O5	106.992	O3	Se1	O4	106.992
O3	Se1	O5	110.846	O4	Se1	O5	96.339

All results from a given calculation for H₂SeO₄ (Selenic acid)

using model chemistry: CISD/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 H2SeO4 (Selenic acid)

using model chemistry: CISD/3-21G

States and conformations

All results from a given calculation for H₂SeO₄ (Selenic acid)