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

using model chemistry: LSDA/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/TZVP
 hartrees
Energy at 0K-152.203887
Energy at 298.15K-152.206908
HF Energy-152.203887
Nuclear repulsion energy37.744507
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/TZVP
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' 3806 3762 54.62      
2 A' 3717 3673 19.84      
3 A' 3444 3404 623.63      
4 A' 1544 1526 24.17      
5 A' 1524 1506 108.84      
6 A' 442 437 71.15      
7 A' 265 262 51.76      
8 A' 163 161 311.97      
9 A" 3829 3785 99.39      
10 A" 780 771 143.52      
11 A" 161 159 211.33      
12 A" 113 111 7.60      

Unscaled Zero Point Vibrational Energy (zpe) 9892.9 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 9778.1 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/TZVP
ABC
7.07507 0.24515 0.24498

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.235 0.510 0.000
O2 0.003 1.461 0.000
O3 0.003 -1.385 0.000
H4 0.852 1.929 0.000
H5 -0.568 -1.524 0.775
H6 -0.568 -1.524 -0.775

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97931.90961.54732.32062.3206
O20.97932.84670.96953.13713.1371
O31.90962.84673.42140.97290.9729
H41.54730.96953.42143.81373.8137
H52.32063.13710.97293.81371.5500
H62.32063.13710.97293.81371.5500

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 105.111 H1 O3 H5 102.309
H1 O3 H6 102.309 O2 H1 O3 159.285
H5 O3 H6 105.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.270      
2 O -0.592      
3 O -0.568      
4 H 0.269      
5 H 0.310      
6 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.085 -3.160 0.000 3.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.979 6.637 0.000
y 6.637 -12.553 0.000
z 0.000 0.000 -11.949
Traceless
 xyz
x 0.271 6.637 0.000
y 6.637 -0.589 0.000
z 0.000 0.000 0.317
Polar
3z2-r20.635
x2-y20.573
xy6.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.948 0.311 0.000
y 0.311 2.583 0.000
z 0.000 0.000 1.930


<r2> (average value of r2) Å2
<r2> 48.048
(<r2>)1/2 6.932