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All results from a given calculation for H2OH2O (water dimer)

using model chemistry: LSDA/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
Energy calculated at LSDA/6-311G**
 hartrees
Energy at 0K-152.180561
Energy at 298.15K-152.184138
HF Energy-152.180561
Nuclear repulsion energy39.001300
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3813 3766 38.21      
2 A' 3724 3678 19.43      
3 A' 3485 3442 515.35      
4 A' 1582 1562 44.64      
5 A' 1551 1532 72.85      
6 A' 465 460 21.66      
7 A' 274 270 68.75      
8 A' 91 90 377.77      
9 A" 3828 3781 77.11      
10 A" 786 776 113.10      
11 A" 183 181 202.80      
12 A" 131i 129i 16.20      

Unscaled Zero Point Vibrational Energy (zpe) 9824.9 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 9704.0 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/6-311G**
ABC
6.65518 0.24864 0.24811

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.164 0.424 0.000
O2 0.006 1.397 0.000
O3 0.006 -1.319 0.000
H4 0.895 1.781 0.000
H5 -0.579 -1.416 0.770
H6 -0.579 -1.416 -0.770

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.98571.74981.54062.12882.1288
O20.98572.71560.96792.97482.9748
O31.74982.71563.22400.97150.9715
H41.54060.96793.22403.60333.6033
H52.12882.97480.97153.60331.5390
H62.12882.97480.97153.60331.5390

picture of water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.100 H1 O3 H5 98.905
H1 O3 H6 98.905 O2 H1 O3 165.567
H5 O3 H6 104.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.231      
2 O -0.551      
3 O -0.487      
4 H 0.241      
5 H 0.283      
6 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.341 -2.227 0.000 2.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.069 6.294 0.000
y 6.294 -14.002 0.000
z 0.000 0.000 -11.554
Traceless
 xyz
x 1.709 6.294 0.000
y 6.294 -2.691 0.000
z 0.000 0.000 0.982
Polar
3z2-r21.963
x2-y22.934
xy6.294
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.846 0.377 0.000
y 0.377 2.389 0.000
z 0.000 0.000 1.751


<r2> (average value of r2) Å2
<r2> 47.192
(<r2>)1/2 6.870