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

using model chemistry: HF_cp/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF_cp/6-311+G(3df,2pd)
 hartrees
Energy at 0K-189.977412
Energy at 298.15K-189.970090
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 HF/6-311+G(3df,2pd)
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 4230 3832 150.26      
2 A 4102 3716 131.75      
3 A 3187 2887 64.68      
4 A 3105 2814 58.51      
5 A 1984 1798 156.23      
6 A 1764 1598 97.58      
7 A 1650 1495 32.16      
8 A 1376 1247 19.26      
9 A 1348 1221 3.75      
10 A 472 427 123.27      
11 A 334 303 103.12      
12 A 158 143 29.20      
13 A 148 134 0.00      
14 A 64 58 48.71      
15 A 60 54 154.81      

Unscaled Zero Point Vibrational Energy (zpe) 11991.1 cm-1
Scaled (by 0.906) Zero Point Vibrational Energy (zpe) 10863.9 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 HF/6-311+G(3df,2pd)
ABC
1.42648 0.15041 0.13607

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.162 -0.386 -0.000
O2 1.918 0.179 -0.000
O3 -0.941 -0.651 -0.000
H4 2.673 -0.380 0.003
C5 -1.401 0.436 0.000
H6 -0.771 1.326 0.001
H7 -2.480 0.599 -0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.94412.11931.51092.69202.58293.7731
O20.94412.97690.93923.32942.92414.4184
O32.11932.97693.62371.18051.98441.9828
H41.51090.93923.62374.15513.84385.2453
C52.69203.32941.18054.15511.09051.0912
H62.58292.92411.98443.84381.09051.8573
H73.77314.41841.98285.24531.09121.8573

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 HF/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.221      
2 O -0.338      
3 O -0.625      
4 H 0.117      
5 C 0.513      
6 H 0.070      
7 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.406 0.672 0.006 1.558
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> 0.000
(<r2>)1/2 0.000