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	hartrees
Energy at 0K	-264.327891
Energy at 298.15K	-264.331624
HF Energy	-263.642148
Nuclear repulsion energy	122.514373

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3728	3587
2	A₁	1881	1810
3	A₁	1330	1280
4	A₁	987	950
5	A₁	545	524
6	A₂	539	519
7	B₁	785	755
8	B₁	619	596
9	B₂	3725	3584
10	B₂	1517	1459
11	B₂	1197	1152
12	B₂	598	575

Atom	y (Å)	z (Å)
C1	0.000	0.101
O2	0.000	1.317
O3	1.092	-0.687
O4	-1.092	-0.687
H5	1.855	-0.077
H6	-1.855	-0.077

	C1	O2	O3	O4	H5	H6
C1		1.2152	1.3464	1.3464	1.8631	1.8631
O2	1.2152		2.2815	2.2815	2.3197	2.3197
O3	1.3464	2.2815		2.1833	0.9767	3.0087
O4	1.3464	2.2815	2.1833		3.0087	0.9767
H5	1.8631	2.3197	0.9767	3.0087		3.7091
H6	1.8631	2.3197	3.0087	0.9767	3.7091

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	105.529	C1	O4	H6	105.529
O2	C1	O3	125.828	O2	C1	O4	125.828
O3	C1	O4	108.345

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

using model chemistry: CCSD(T)/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: CCSD(T)/6-31G*

States and conformations

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