Molecule
Name
Water
IUPAC name
(1H2,17O)Water
Secondary names
Hydrogen oxide, Dihydrogen oxide, Water-17O, H2O-17
InChI
InChI=1S/H2O/h1H2/i1+1/hH2
InChI key
XLYOFNOQVPJJNP-BIIPXBNXSA-N
Comments
isotope
Formula
Chemical formula
H2O
Isotopic formula
[1]H2[17]O
Structural formula
[1H][17O][1H]
Charge
0
Unpaired electrons
0
  Atom Name Number
Hydrogen 2
Oxygen 1
Relations
  • no
Isotope mixture type
pure isotope
Spin type
equilibrated
Spin quantum numbers
0, 1
Equilibrium ortho/para ratio
3 (3/1)
Molar mass
19.014782
State STP
liquid
Protic
protic
Polarity
polar
Dipole
1.855
Molecule symmetry
C2v
Case
nonlinear-triatomic
Vibrations number
3
Vibrations
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments
V1 stretching sym. no active active
V2 bending no active active
V3 stretching asym. no active active
Chemical functions
  Function Number
2
Chemical bonds
  Bond Number
2