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	hartrees
Energy at 0K	-264.614237
Energy at 298.15K	-264.618040
HF Energy	-263.761723
Nuclear repulsion energy	124.028341

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3891	3633	16.40
2	A₁	1914	1787	542.23
3	A₁	1334	1245	31.97
4	A₁	1014	947	16.88
5	A₁	561	523	6.10
6	A₂	541	506	0.00
7	B₁	833	778	58.64
8	B₁	608	567	212.19
9	B₂	3889	3631	190.07
10	B₂	1525	1424	159.36
11	B₂	1210	1130	420.87
12	B₂	622	580	54.13

Atom	y (Å)	z (Å)
C1	0.000	0.099
O2	0.000	1.297
O3	1.083	-0.676
O4	-1.083	-0.676
H5	1.836	-0.079
H6	-1.836	-0.079

	C1	O2	O3	O4	H5	H6
C1		1.1972	1.3319	1.3319	1.8443	1.8443
O2	1.1972		2.2502	2.2502	2.2938	2.2938
O3	1.3319	2.2502		2.1661	0.9607	2.9792
O4	1.3319	2.2502	2.1661		2.9792	0.9607
H5	1.8443	2.2938	0.9607	2.9792		3.6714
H6	1.8443	2.2938	2.9792	0.9607	3.6714

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	105.982	C1	O4	H6	105.982
O2	C1	O3	125.595	O2	C1	O4	125.595
O3	C1	O4	108.809

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

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ

States and conformations

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