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

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-152.930791
Energy at 298.15K-152.933589
HF Energy-152.930791
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy36.597066
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 B3LYP/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' 3870 3736 64.36      
2 A' 3792 3660 12.29      
3 A' 3680 3553 302.68      
4 A' 1630 1574 46.48      
5 A' 1609 1553 87.08      
6 A' 369 356 110.28      
7 A' 194 188 53.71      
8 A' 158 153 249.54      
9 A" 3897 3762 70.57      
10 A" 652 629 173.95      
11 A" 145 140 178.34      
12 A" 131 127 17.21      

Unscaled Zero Point Vibrational Energy (zpe) 10062.8 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 9714.6 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 B3LYP/TZVP
ABC
7.36562 0.21526 0.21502

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.172 0.536 0.000
O2 0.004 1.493 0.000
O3 0.004 -1.404 0.000
H4 0.876 1.900 0.000
H5 -0.559 -1.575 0.766
H6 -0.559 -1.575 -0.766

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.97181.94641.53572.36092.3609
O20.97182.89630.96263.21143.2114
O31.94642.89633.41690.96590.9659
H41.53570.96263.41693.83683.8368
H52.36093.21140.96593.83681.5323
H62.36093.21140.96593.83681.5323

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 105.103 H1 O3 H5 103.105
H1 O3 H6 103.105 O2 H1 O3 165.120
H5 O3 H6 104.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.280      
2 O -0.566      
3 O -0.551      
4 H 0.258      
5 H 0.289      
6 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.072 -3.193 0.000 3.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.019 6.557 0.000
y 6.557 -11.859 0.000
z 0.000 0.000 -11.861
Traceless
 xyz
x -0.159 6.557 0.000
y 6.557 0.081 0.000
z 0.000 0.000 0.078
Polar
3z2-r20.156
x2-y2-0.160
xy6.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.863 0.281 0.000
y 0.281 2.383 0.000
z 0.000 0.000 1.875


<r2> (average value of r2) Å2
<r2> 53.258
(<r2>)1/2 7.298