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All results from a given calculation for H2OHCOOH (Water formic acid dimer 2)

using model chemistry: B3LYPultrafine/6-31G*

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/6-31G*
 hartrees
Energy at 0K-266.175586
Energy at 298.15K-266.179856
Counterpoise corrected energy-266.171451
CP Energy at 298.15K-266.175286
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy117.640101
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/6-31G*
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 3812 3652 62.12      
2 A 3670 3515 84.45      
3 A 3662 3508 83.12      
4 A 3135 3003 14.90      
5 A 1818 1741 341.52      
6 A 1733 1661 68.89      
7 A 1412 1353 4.27      
8 A 1340 1283 11.93      
9 A 1166 1117 223.45      
10 A 1086 1040 1.75      
11 A 720 689 157.55      
12 A 640 613 20.71      
13 A 602 576 366.26      
14 A 286 274 92.60      
15 A 220 211 104.88      
16 A 182 174 1.61      
17 A 109 105 14.20      
18 A 103 98 10.67      

Unscaled Zero Point Vibrational Energy (zpe) 12846.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 12307.0 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/6-31G*
ABC
0.76383 0.09563 0.08564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.748 0.430 -0.140
O2 -2.393 -0.299 -0.092
O3 0.200 0.952 0.002
H4 -2.776 -0.207 0.793
C5 0.652 -0.173 -0.002
O6 1.959 -0.465 0.010
H7 0.042 -1.084 -0.016
H8 2.443 0.385 0.017

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 O6 H7 H8
H10.97462.02151.52752.47793.81622.34784.1939
O20.97462.88050.96863.04864.35622.55994.8852
O32.02152.88053.29021.21242.25892.04242.3139
H41.52750.96863.29023.51884.80613.06045.3093
C52.47793.04861.21243.51881.33951.09631.8760
O63.81624.35622.25894.80611.33952.01420.9776
H72.34782.55992.04243.06041.09632.01422.8143
H84.19394.88522.31395.30931.87600.97762.8143

picture of Water formic acid dimer 2 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 103.637 H1 O3 C5 96.838
O2 H1 O3 145.850 O3 C5 O6 124.474
O3 C5 H7 124.348 C5 O6 H8 107.083
O6 C5 H7 111.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.411      
2 O -0.809      
3 O -0.436      
4 H 0.382      
5 C 0.372      
6 O -0.513      
7 H 0.180      
8 H 0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.997 0.443 1.440 2.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.703 0.895 -4.460
y 0.895 -25.171 -0.463
z -4.460 -0.463 -22.153
Traceless
 xyz
x 1.959 0.895 -4.460
y 0.895 -3.243 -0.463
z -4.460 -0.463 1.284
Polar
3z2-r22.568
x2-y23.468
xy0.895
xz-4.460
yz-0.463


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.552 -0.054 -0.215
y -0.054 3.433 0.019
z -0.215 0.019 2.118


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