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

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-190.888348
Energy at 298.15K-190.891278
HF Energy-190.888348
Nuclear repulsion energy69.153778
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/cc-pVDZ
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 3997 3808 108.57      
2 A 3784 3605 205.70      
3 A 3064 2919 57.84      
4 A 2973 2832 58.48      
5 A 1842 1755 104.14      
6 A 1624 1547 117.99      
7 A 1549 1475 23.07      
8 A 1290 1229 8.92      
9 A 1217 1159 6.19      
10 A 515 490 140.70      
11 A 359 342 125.23      
12 A 182 173 40.11      
13 A 173 165 0.06      
14 A 123 117 72.94      
15 A 78 74 184.87      

Unscaled Zero Point Vibrational Energy (zpe) 11384.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 10844.9 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/cc-pVDZ
ABC
1.30241 0.17121 0.15132

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.111 -0.452 -0.082
O2 1.864 0.152 -0.064
O3 -0.960 -0.677 -0.009
H4 2.534 -0.257 0.487
C5 -1.317 0.476 0.019
H6 -0.589 1.308 0.024
H7 -2.390 0.746 0.041

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96572.08421.54532.60162.44943.7024
O20.96572.94340.95953.19852.71284.2962
O32.08422.94343.55401.20792.01982.0184
H41.54530.95953.55403.94853.52405.0451
C52.60163.19851.20793.94851.10551.1064
H62.44942.71282.01983.52401.10551.8867
H73.70244.29622.01845.04511.10641.8867

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 106.773 H1 O3 C5 101.053
O2 H1 O3 147.290 O3 C5 H6 121.576
O3 C5 H7 121.351 H6 C5 H7 117.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.383      
2 O -0.773      
3 O -0.350      
4 H 0.371      
5 C 0.072      
6 H 0.161      
7 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.012 0.479 0.000 1.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.783 -6.725 0.001
y -6.725 -18.887 -0.000
z 0.001 -0.000 -19.469
Traceless
 xyz
x 5.394 -6.725 0.001
y -6.725 -2.260 -0.000
z 0.001 -0.000 -3.134
Polar
3z2-r2-6.268
x2-y25.103
xy-6.725
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.981 -0.347 0.000
y -0.347 3.759 0.000
z 0.000 0.000 2.308


<r2> (average value of r2) Å2
<r2> 74.679
(<r2>)1/2 8.642