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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-191.025277
Energy at 298.15K-191.028043
Counterpoise corrected energy-191.025179
CP Energy at 298.15K-191.027920
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy68.413449
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 B3LYPultrafine/aug-cc-pVTZ
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 3875 3749 96.43      
2 A 3681 3561 274.11      
3 A 2990 2893 66.73      
4 A 2916 2821 64.90      
5 A 1797 1739 104.04      
6 A 1644 1591 79.74      
7 A 1529 1479 23.09      
8 A 1271 1230 9.82      
9 A 1209 1170 5.96      
10 A 520 503 80.02      
11 A 365 353 105.11      
12 A 179 173 29.89      
13 A 165 159 0.06      
14 A 65 63 38.47      
15 A 49 47 133.40      

Unscaled Zero Point Vibrational Energy (zpe) 11127.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10765.7 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.38654 0.15910 0.14272

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.072 -0.366 -0.000
O2 1.865 0.191 -0.000
O3 -0.885 -0.661 -0.000
H4 2.610 -0.415 0.000
C5 -1.381 0.437 0.000
H6 -0.763 1.350 0.000
H7 -2.475 0.572 0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 H6 H7
H10.96941.97891.53862.58052.51223.6692
O20.96942.87890.96063.25462.87184.3569
O31.97892.87893.50331.20472.01482.0125
H41.53860.96063.50334.08023.80665.1800
C52.58053.25461.20474.08021.10231.1032
H62.51222.87182.01483.80661.10231.8809
H73.66924.35692.01255.18001.10321.8809

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 105.734 H1 O3 C5 105.715
O2 H1 O3 153.463 O3 C5 H6 121.636
O3 C5 H7 121.327 H6 C5 H7 117.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.268      
2 O -0.410      
3 O -0.450      
4 H 0.155      
5 C -0.356      
6 H 0.395      
7 H 0.397      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.592 0.458 0.001 1.656
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 4.844 -0.374 0.000
y -0.374 4.341 0.000
z 0.000 0.000 3.198


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000