HCOOH

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Species data

Common Formula	HCOOH
Stoichiometric Formula	CH2O2
Name	Formic acid
Mass	46.00548 a.m.u
Charge	0
CAS	64-18-6
Inchi	InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
InchiKey	BDAGIHXWWSANSR-UHFFFAOYSA-N
State	Ground State

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KIDA HCOOH

ISM Abundance

log₁₀ Abundance	Reference	Source Name	Source Type	Link

Polarizability

Evaluation	Definition	Value (Å³)	Method	Origin	Reference
	total	3.4	Measurements	Bibliography	Lide, D. R.. ;2000;

Definition: total Value (Å³): 3.4 Method: Measurements Origin: Bibliography Reference: Lide, D. R.. ;2000;

Dipole moment

Evaluation	Value (D)	Method	Origin	Reference
	1.41	Measurements	Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE

Value (D): 1.41 Method: Measurements Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE Reference:

Enthalpy of formation

Evaluation	T (K)	Value (kJ.mol^-1)	Method	Origin	Reference
	0	371.196 ±0.25	Reviews and Evaluations	Database : Burcat
	298	-378.49 ±0.25	Reviews and Evaluations	Database : Burcat
	298	-378.8 ±0.5	Measurements	Database : CCCBDB (http://cccbdb.nist.gov/)
	0	-371.51 ±0.5	Measurements	Database : CCCBDB (http://cccbdb.nist.gov/)

T (K): 0 Value (kJ.mol^-1) : 371.196 ±0.25 Method: Reviews and Evaluations Origin: Other database Reference:
T (K): 298 Value (kJ.mol^-1) : -378.49 ±0.25 Method: Reviews and Evaluations Origin: Other database Reference:
T (K): 298 Value (kJ.mol^-1) : -378.8 ±0.5 Method: Measurements Origin: Other database Reference:
T (K): 0 Value (kJ.mol^-1) : -371.51 ±0.5 Method: Measurements Origin: Other database Reference:

Desorption energy

Evaluation	E_mean (K)	E_min (K)	E_max (K)	Pre-exponential factor (s^-1)	Order factor	Method	Origin	Reference	Type of surface	Description
	5570	0	0	0.00E+0	1	Estimation	Database : OSU		H2O	This value was deduced from Collings et al. (2004). This binding energy was listed in the original OSU gas-grain code from Eric Herbst group in 2006. The pre-exponential factor is not given. It can be computed using the formula given in Hasegawa et al. (1992).

E_mean (K): 5570 E _min (K): 0 E _max (K): 0 Pre-exponential factor (s^-1): 0.00E+0 Method: Estimation Origin: Other database Reference: Type of surface: H2O Description: This value was deduced from Collings et al. (2004). This binding energy was listed in the original OSU gas-grain code from Eric Herbst group in 2006. The pre-exponential factor is not given. It can be computed using the formula given in Hasegawa et al. (1992). Evaluation:

Diffusion energy

No data