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	hartrees
Energy at 0K	-264.303070
Energy at 298.15K	-264.306850
HF Energy	-263.644046
Nuclear repulsion energy	123.106118

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3785	3582	15.49
2	A₁	1933	1829	517.03
3	A₁	1351	1279	39.26
4	A₁	1015	961	15.06
5	A₁	557	527	6.15
6	A₂	550	521	0.00
7	B₁	810	766	85.47
8	B₁	624	591	243.98
9	B₂	3783	3580	164.96
10	B₂	1545	1462	152.47
11	B₂	1223	1158	446.07
12	B₂	615	582	59.24

Atom	y (Å)	z (Å)
C1	0.000	0.100
O2	0.000	1.308
O3	1.088	-0.682
O4	-1.088	-0.682
H5	1.852	-0.079
H6	-1.852	-0.079

	C1	O2	O3	O4	H5	H6
C1		1.2081	1.3398	1.3398	1.8606	1.8606
O2	1.2081		2.2679	2.2679	2.3136	2.3136
O3	1.3398	2.2679		2.1761	0.9734	3.0013
O4	1.3398	2.2679	2.1761		3.0013	0.9734
H5	1.8606	2.3136	0.9734	3.0013		3.7040
H6	1.8606	2.3136	3.0013	0.9734	3.7040

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	106.007	C1	O4	H6	106.007
O2	C1	O3	125.697	O2	C1	O4	125.697
O3	C1	O4	108.605

All results from a given calculation for H₂CO₃ (Carbonic acid)

using model chemistry: CCD/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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All results from a given calculation for H2CO3 (Carbonic acid)

using model chemistry: CCD/6-31G*

States and conformations

All results from a given calculation for H₂CO₃ (Carbonic acid)