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

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-190.929113
Energy at 298.15K-190.932370
HF Energy-190.929113
Nuclear repulsion energy69.418608
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 wB97X-D/6-311G**
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 3964 3791 58.20      
2 A 3814 3648 122.40      
3 A 3024 2892 67.00      
4 A 2937 2809 66.45      
5 A 1841 1761 104.54      
6 A 1666 1593 54.21      
7 A 1536 1469 16.68      
8 A 1285 1229 8.56      
9 A 1228 1175 3.57      
10 A 581 556 238.11      
11 A 307 293 69.97      
12 A 228 218 73.73      
13 A 193 184 58.52      
14 A 178 171 48.56      
15 A 166 159 35.78      

Unscaled Zero Point Vibrational Energy (zpe) 11474.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10974.9 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 wB97X-D/6-311G**
ABC
1.24056 0.17235 0.15345

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.100 -0.468 -0.033
O2 1.850 0.131 -0.087
O3 -0.965 -0.674 -0.007
H4 2.446 -0.153 0.604
C5 -1.289 0.482 0.019
H6 -0.536 1.290 0.049
H7 -2.353 0.785 0.018

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96112.07581.52162.57082.40253.6733
O20.96112.92920.95563.15962.65574.2545
O32.07582.92923.50441.20052.01142.0136
H41.52160.95563.50443.83303.35894.9245
C52.57083.15961.20053.83301.10501.1066
H62.40252.65572.01143.35891.10501.8862
H73.67334.25452.01364.92451.10661.8862

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 105.100 H1 O3 C5 99.922
O2 H1 O3 147.029 O3 C5 H6 121.437
O3 C5 H7 121.516 H6 C5 H7 117.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.252      
2 O -0.499      
3 O -0.289      
4 H 0.242      
5 C 0.085      
6 H 0.109      
7 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.543 1.170 1.485 2.440
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.319 -4.094 3.686
y -4.094 -18.560 0.122
z 3.686 0.122 -16.998
Traceless
 xyz
x -0.540 -4.094 3.686
y -4.094 -0.901 0.122
z 3.686 0.122 1.441
Polar
3z2-r22.882
x2-y20.241
xy-4.094
xz3.686
yz0.122


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.565 -0.306 0.138
y -0.306 3.391 -0.000
z 0.138 -0.000 2.064


<r2> (average value of r2) Å2
<r2> 73.728
(<r2>)1/2 8.587