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All results from a given calculation for D2O (Deuterium oxide)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-75.291953
Energy at 298.15K-75.289810
Nuclear repulsion energy8.447806
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 BLYP/STO-3G
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 2470 2285 40.58      
2 A1 1437 1329 1.30      
3 B2 2647 2449 32.46      

Unscaled Zero Point Vibrational Energy (zpe) 3276.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3031.4 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 BLYP/STO-3G
ABC
10.76143 6.93046 4.21558

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.140
H2 0.000 0.777 -0.558
H3 0.000 -0.777 -0.558

Atom - Atom Distances (Å)
  O1 H2 H3
O11.04431.0443
H21.04431.5541
H31.04431.5541

picture of Deuterium oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 96.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.275      
2 H 0.138      
3 H 0.138      


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 -1.511 1.511
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.183 0.000 0.000
y 0.000 -4.651 0.000
z 0.000 0.000 -5.282
Traceless
 xyz
x -1.216 0.000 0.000
y 0.000 1.082 0.000
z 0.000 0.000 0.134
Polar
3z2-r20.268
x2-y2-1.532
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.004 0.000 0.000
y 0.000 0.854 0.000
z 0.000 0.000 0.483


<r2> (average value of r2) Å2
<r2> 5.342
(<r2>)1/2 2.311