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	hartrees
Energy at 0K	-264.478667
Energy at 298.15K	-264.482392
HF Energy	-263.749568
Nuclear repulsion energy	123.174135

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3835	3635	13.96
2	A₁	1854	1757	513.68
3	A₁	1315	1246	22.11
4	A₁	987	936	24.89
5	A₁	559	530	4.56
6	A₂	499	473	0.00
7	B₁	782	741	49.57
8	B₁	594	563	243.77
9	B₂	3833	3633	193.75
10	B₂	1477	1400	140.63
11	B₂	1181	1119	470.97
12	B₂	611	580	47.51

Atom	y (Å)	z (Å)
C1	0.000	0.102
O2	0.000	1.309
O3	1.087	-0.683
O4	-1.087	-0.683
H5	1.843	-0.080
H6	-1.843	-0.080

	C1	O2	O3	O4	H5	H6
C1		1.2072	1.3409	1.3409	1.8523	1.8523
O2	1.2072		2.2694	2.2694	2.3081	2.3081
O3	1.3409	2.2694		2.1743	0.9671	2.9919
O4	1.3409	2.2694	2.1743		2.9919	0.9671
H5	1.8523	2.3081	0.9671	2.9919		3.6866
H6	1.8523	2.3081	2.9919	0.9671	3.6866

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	H5	105.603	C1	O4	H6	105.603
O2	C1	O3	125.826	O2	C1	O4	125.826
O3	C1	O4	108.347

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

using model chemistry: MP2/TZVP

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: MP2/TZVP

States and conformations

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