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

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-191.029135
Energy at 298.15K-191.031978
HF Energy-191.029135
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy68.584049
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/Def2TZVPP
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 3887 3742 83.70      
2 A 3711 3572 212.56      
3 A 2995 2883 68.37      
4 A 2917 2808 66.78      
5 A 1800 1733 102.82      
6 A 1650 1588 65.99      
7 A 1529 1472 19.70      
8 A 1274 1226 9.09      
9 A 1213 1168 4.68      
10 A 532 512 139.21      
11 A 336 323 92.06      
12 A 180 173 31.56      
13 A 177 170 5.07      
14 A 90 87 41.98      
15 A 70 67 121.92      

Unscaled Zero Point Vibrational Energy (zpe) 11180.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 10762.5 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/Def2TZVPP
ABC
1.33084 0.16157 0.14487

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.119 -0.453 -0.066
O2 1.873 0.148 -0.071
O3 -0.963 -0.674 -0.009
H4 2.520 -0.234 0.524
C5 -1.321 0.473 0.019
H6 -0.600 1.308 0.035
H7 -2.393 0.742 0.034

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96472.09401.53652.61142.46223.7108
O20.96472.95350.95873.21262.73364.3089
O32.09402.95353.55111.20212.01462.0127
H41.53650.95873.55113.93893.51475.0334
C52.61143.21261.20213.93891.10301.1049
H62.46222.73362.01463.51471.10301.8804
H73.71084.30892.01275.03341.10491.8804

picture of water formaldehyde dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.034 H1 O3 C5 101.333
O2 H1 O3 147.509 O3 C5 H6 121.790
O3 C5 H7 121.425 H6 C5 H7 116.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.217      
2 O -0.431      
3 O -0.275      
4 H 0.191      
5 C 0.091      
6 H 0.108      
7 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.514 0.688 1.027 1.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.612 -5.353 2.710
y -5.353 -19.039 -0.336
z 2.710 -0.336 -18.512
Traceless
 xyz
x 3.164 -5.353 2.710
y -5.353 -1.977 -0.336
z 2.710 -0.336 -1.187
Polar
3z2-r2-2.374
x2-y23.428
xy-5.353
xz2.710
yz-0.336


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.356 -0.378 0.120
y -0.378 3.863 -0.033
z 0.120 -0.033 2.513


<r2> (average value of r2) Å2
<r2> 77.590
(<r2>)1/2 8.809