The Nitric acid,mercury(2+) salt, monohydrate (8CI,9CI), with the CAS registry number 7783-34-8 and EINECS registry number 233-152-3, has the systematic name of mercury dinitrate hydrate. It is a kind of white adhering crystalline powder which is very toxic, and always to be used in the organic synthesis and medicine. It also used as Nitrification agent, Pesticide and analytical reagents. And the molecular formula of the chemical is H₂HgN₂O₇.

The characteristics of Nitric acid,mercury(2+) salt, monohydrate (8CI,9CI) are as followings: (1)ACD/LogP: -0.13; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.13; (4)ACD/LogD (pH 7.4): -0.13; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1 ; (7)#H bond acceptors: 4; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 66.05 Ų; (11)Enthalpy of Vaporization: 37.72 kJ/mol; (12)Boiling Point: 83 °C at 760 mmHg; (13)Vapour Pressure: 49.8 mmHg at 25°C.

Preparation of Nitric acid,mercury(2+) salt, monohydrate (8CI,9CI): Add Nitric acid slowly into distilled water, and heat it to 40 ~ 50 °C, then add Mercury to react. After evaporating, concentrating, cooling crystallization and filtering, can get the chemical.  The reaction equation:  Hg+2HNO₃+H₂O→Hg(NO₃)₂^.H₂O+H₂↑

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [Hg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O.O
(2)InChI: InChI=1/Hg.2NO3.H2O/c;2*2-1(3)4;/h;;;1H2/q+2;2*-1;
(3)InChIKey: KVICROHOONHSRH-UHFFFAOYAE