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All results from a given calculation for H2OH2CO (water formaldehyde dimer)

using model chemistry: B3LYP_cp/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-191.022302
Energy at 298.15K-191.014986
Nuclear repulsion energy 
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/aug-cc-pVTZ
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 3875 3749 96.36      
2 A 3681 3562 272.98      
3 A 2991 2893 66.65      
4 A 2917 2822 64.95      
5 A 1797 1739 104.04      
6 A 1644 1591 79.69      
7 A 1529 1480 23.06      
8 A 1271 1230 9.83      
9 A 1210 1170 5.95      
10 A 514 497 80.96      
11 A 364 352 104.71      
12 A 179 173 29.86      
13 A 165 159 0.00      
14 A 67 64 39.52      
15 A 31 30 131.94      

Unscaled Zero Point Vibrational Energy (zpe) 11116.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10755.6 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/aug-cc-pVTZ
ABC
1.38351 0.15924 0.14283

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.073 -0.369 -0.006
O2 1.864 0.190 -0.013
O3 -0.886 -0.662 -0.003
H4 2.608 -0.409 0.087
C5 -1.378 0.438 0.005
H6 -0.758 1.349 0.017
H7 -2.473 0.577 -0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96931.98071.53872.58052.51043.6694
O20.96932.87940.96063.25182.86634.3539
O31.98072.87943.50471.20472.01482.0125
H41.53870.96063.50474.07613.79765.1762
C52.58053.25181.20474.07611.10231.1032
H62.51042.86632.01483.79761.10231.8809
H73.66944.35392.01255.17621.10321.8809

picture of water formaldehyde dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.267      
2 O -0.411      
3 O -0.450      
4 H 0.156      
5 C -0.354      
6 H 0.395      
7 H 0.397      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.579 0.470 0.185 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 78.654
(<r2>)1/2 8.869