NH4+

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Species data

Common Formula	NH4+
Stoichiometric Formula	NH4+
Name	Ammonium cation
Mass	18.03383 a.m.u
Charge	1
CAS	14798-03-9
Inchi	InChI=1S/H3N/h1H3/p+1
InchiKey	QGZKDVFQNNGYKY-UHFFFAOYSA-O
State	Ground State

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KIDA NH4+

ISM Abundance

log₁₀ Abundance	Reference	Source Name	Source Type	Link

Polarizability

Evaluation	Definition	Value (Å³)	Method	Origin	Reference
	total	1.159	Calculations	Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE

Definition: total Value (Å³): 1.159 Method: Calculations Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE Reference:

Dipole moment

Evaluation	Value (D)	Method	Origin	Reference
	0	N/A	Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE

Value (D): 0 Method: N/A Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE Reference:

Enthalpy of formation

Evaluation	T (K)	Value (kJ.mol^-1)	Method	Origin	Reference
	0	642.995 ±0.21	Reviews and Evaluations	Database : Burcat
	298	637.9 ±0.21	Reviews and Evaluations	Database : Burcat

T (K): 0 Value (kJ.mol^-1) : 642.995 ±0.21 Method: Reviews and Evaluations Origin: Other database Reference:
T (K): 298 Value (kJ.mol^-1) : 637.9 ±0.21 Method: Reviews and Evaluations Origin: Other database Reference:

Desorption energy

No data

Diffusion energy

No data