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

using model chemistry: B3LYP_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 B3LYP_cp/6-311+G(3df,2pd)
 hartrees
Energy at 0K-191.019751
Energy at 298.15K-191.012479
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/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 3902 3762 98.43      
2 A 3714 3581 267.46      
3 A 2993 2886 65.94      
4 A 2916 2812 63.57      
5 A 1805 1741 104.09      
6 A 1647 1588 78.87      
7 A 1531 1476 22.34      
8 A 1274 1229 9.80      
9 A 1212 1168 5.86      
10 A 526 507 91.91      
11 A 365 352 109.12      
12 A 182 176 28.98      
13 A 167 161 0.02      
14 A 68 65 40.20      
15 A 42 40 138.61      

Unscaled Zero Point Vibrational Energy (zpe) 11171.6 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 10771.7 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/6-311+G(3df,2pd)
ABC
1.38722 0.15883 0.14254

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.074 -0.365 -0.007
O2 1.867 0.190 -0.013
O3 -0.888 -0.661 -0.003
H4 2.607 -0.412 0.090
C5 -1.380 0.437 0.005
H6 -0.760 1.348 0.017
H7 -2.474 0.575 0.001

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96831.98361.53692.58132.50983.6705
O20.96832.88320.95963.25622.87114.3584
O31.98362.88323.50471.20312.01352.0113
H41.53690.95963.50474.07693.80005.1769
C52.58133.25621.20314.07691.10241.1032
H62.50982.87112.01353.80001.10241.8808
H73.67054.35842.01135.17691.10321.8808

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/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.261      
2 O -0.436      
3 O -0.487      
4 H 0.166      
5 C 0.315      
6 H 0.103      
7 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.586 0.440 0.195 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> 0.000
(<r2>)1/2 0.000