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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-266.029813
Energy at 298.15K-266.033996
HF Energy-266.029813
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3738 3665 54.42      
2 A 3586 3516 95.32      
3 A 3569 3499 42.89      
4 A 3061 3001 21.17      
5 A 1765 1731 312.22      
6 A 1717 1684 64.78      
7 A 1379 1352 2.88      
8 A 1306 1281 6.97      
9 A 1122 1100 209.93      
10 A 1049 1029 3.65      
11 A 717 703 143.93      
12 A 630 617 68.44      
13 A 601 589 311.88      
14 A 264 258 86.75      
15 A 224 220 96.09      
16 A 167 164 1.27      
17 A 105 103 15.32      
18 A 95 94 7.09      

Unscaled Zero Point Vibrational Energy (zpe) 12547.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 12301.7 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 B97D3/6-31G*
ABC
0.73786 0.09428 0.08430

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.771 0.429 -0.164
O2 -2.420 -0.299 -0.091
O3 0.211 0.969 0.004
H4 -2.703 -0.243 0.838
C5 0.654 -0.167 -0.009
O6 1.967 -0.479 0.010
H7 0.037 -1.079 -0.039
H8 2.455 0.373 0.032

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 O6 H7 H8
H10.97832.06121.52382.50173.85032.35764.2306
O20.97832.92260.97223.07824.39192.57894.9227
O32.06122.92263.26371.21892.27572.05542.3216
H41.52380.97223.26373.46254.74772.99585.2559
C52.50173.07821.21893.46251.34961.10131.8804
O63.85034.39192.27574.74771.34962.02100.9822
H72.35762.57892.05542.99581.10132.02102.8207
H84.23064.92272.32165.25591.88040.98222.8207

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 104.236 H1 O3 C5 98.667
O2 H1 O3 143.125 O3 C5 O6 125.675
O3 C5 H7 124.260 C5 O6 H8 107.402
O6 C5 H7 110.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.404      
2 O -0.793      
3 O -0.419      
4 H 0.376      
5 C 0.342      
6 O -0.493      
7 H 0.179      
8 H 0.405      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.142 0.397 1.437 2.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.424 0.961 -4.301
y 0.961 -25.092 -0.550
z -4.301 -0.550 -21.924
Traceless
 xyz
x 1.084 0.961 -4.301
y 0.961 -2.919 -0.550
z -4.301 -0.550 1.834
Polar
3z2-r23.669
x2-y22.668
xy0.961
xz-4.301
yz-0.550


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.743 -0.062 -0.166
y -0.062 3.531 0.015
z -0.166 0.015 2.203


<r2> (average value of r2) Å2
<r2> 124.227
(<r2>)1/2 11.146