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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-190.911172
Energy at 298.15K-190.913974
HF Energy-190.911172
Nuclear repulsion energy67.917783
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 B97D3/TZVP
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 3811 3756 67.29      
2 A 3624 3572 196.94      
3 A 2914 2872 96.48      
4 A 2843 2802 82.46      
5 A 1751 1726 100.50      
6 A 1616 1593 55.15      
7 A 1506 1485 16.52      
8 A 1249 1231 5.44      
9 A 1182 1165 4.16      
10 A 532 524 169.85      
11 A 324 320 101.77      
12 A 178 175 28.53      
13 A 164 162 8.53      
14 A 86 85 38.51      
15 A 72 71 133.06      

Unscaled Zero Point Vibrational Energy (zpe) 10927.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 10769.7 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 B97D3/TZVP
ABC
1.31946 0.15670 0.14087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.092 -0.393 -0.074
O2 1.889 0.165 -0.069
O3 -0.919 -0.670 -0.013
H4 2.502 -0.293 0.518
C5 -1.365 0.456 0.022
H6 -0.704 1.347 0.053
H7 -2.461 0.644 0.023

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.97292.03111.53282.60172.50343.7027
O20.97292.93040.96473.26892.85224.3776
O32.03112.93043.48291.21192.02952.0268
H41.53280.96473.48293.97093.63115.0755
C52.60173.26891.21193.97091.11001.1118
H62.50342.85222.02953.63111.11001.8926
H73.70274.37762.02685.07551.11181.8926

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 104.577 H1 O3 C5 103.803
O2 H1 O3 152.804 O3 C5 H6 121.802
O3 C5 H7 121.378 H6 C5 H7 116.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262      
2 O -0.544      
3 O -0.279      
4 H 0.259      
5 C 0.105      
6 H 0.106      
7 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.600 0.510 1.101 2.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.935 -5.614 2.913
y -5.614 -19.080 -0.350
z 2.913 -0.350 -18.362
Traceless
 xyz
x 2.786 -5.614 2.913
y -5.614 -1.931 -0.350
z 2.913 -0.350 -0.855
Polar
3z2-r2-1.709
x2-y23.145
xy-5.614
xz2.913
yz-0.350


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.261 -0.462 0.134
y -0.462 3.783 -0.023
z 0.134 -0.023 2.161


<r2> (average value of r2) Å2
<r2> 79.464
(<r2>)1/2 8.914