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All results from a given calculation for H2O (Water)

using model chemistry: LSDA/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/LANL2DZ
 hartrees
Energy at 0K-76.044109
Energy at 298.15K-76.045201
HF Energy-76.044109
Nuclear repulsion energy8.935619
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3610 3610 2.54      
2 A1 1491 1491 95.04      
3 B2 3818 3818 25.16      

Unscaled Zero Point Vibrational Energy (zpe) 4459.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4459.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/LANL2DZ
ABC
30.15135 12.76887 8.97010

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.112
H2 0.000 0.809 -0.447
H3 0.000 -0.809 -0.447

Atom - Atom Distances (Å)
  O1 H2 H3
O10.98350.9835
H20.98351.6186
H30.98351.6186

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 110.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.736      
2 H 0.368      
3 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.521 2.521
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.491 0.000 0.000
y 0.000 -3.904 0.000
z 0.000 0.000 -6.475
Traceless
 xyz
x -2.301 0.000 0.000
y 0.000 3.078 0.000
z 0.000 0.000 -0.778
Polar
3z2-r2-1.555
x2-y2-3.586
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.225 0.000 0.000
y 0.000 1.155 0.000
z 0.000 0.000 0.730


<r2> (average value of r2) Å2
<r2> 5.530
(<r2>)1/2 2.352