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All results from a given calculation for H2OHCOOH (Water formic acid dimer 1)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-266.091088
Energy at 298.15K-266.095040
HF Energy-266.091088
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 wB97X-D/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 3932 3730 64.32      
2 A 3811 3615 21.41      
3 A 3768 3574 64.01      
4 A 3149 2987 10.90      
5 A 1895 1798 322.88      
6 A 1732 1643 80.34      
7 A 1433 1359 11.91      
8 A 1319 1251 7.07      
9 A 1167 1107 276.59      
10 A 1094 1037 1.44      
11 A 696 660 169.18      
12 A 637 604 55.60      
13 A 478 454 272.26      
14 A 229 217 116.59      
15 A 172 163 88.48      
16 A 153 145 2.02      
17 A 111 105 13.28      
18 A 84 79 11.65      

Unscaled Zero Point Vibrational Energy (zpe) 12929.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 12264.0 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 wB97X-D/6-31G*
ABC
0.64891 0.09823 0.08603

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.952 0.532 -0.098
O2 2.408 -0.317 -0.093
O3 -0.292 0.956 0.009
H4 2.973 -0.292 0.686
H5 -1.023 1.593 -0.007
C6 -0.817 -0.283 0.011
O7 -1.991 -0.528 -0.000
H8 -0.000 -1.017 0.025

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96352.28621.52803.16012.88844.08482.4954
O20.96352.98660.96203.92793.22654.40552.5107
O32.28622.98663.56000.97021.34572.25631.9946
H41.52800.96203.56004.47253.84935.01713.1308
H53.16013.92790.97024.47251.88812.33202.8039
C62.88843.22651.34573.84931.88811.20011.0979
O74.08484.40552.25635.01712.33201.20012.0506
H82.49542.51071.99463.13082.80391.09792.0506

picture of Water formic acid dimer 1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 105.035 H1 O3 H5 149.399
H1 O3 C6 102.247 O2 H1 O3 128.862
O3 C6 O7 124.721 O3 C6 H8 108.995
H5 O3 C6 108.128 O7 C6 H8 126.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.423      
2 O -0.819      
3 O -0.577      
4 H 0.405      
5 H 0.431      
6 C 0.360      
7 O -0.422      
8 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.761 2.364 1.410 2.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.492 -1.725 4.385
y -1.725 -20.615 -0.748
z 4.385 -0.748 -21.899
Traceless
 xyz
x -8.235 -1.725 4.385
y -1.725 5.081 -0.748
z 4.385 -0.748 3.155
Polar
3z2-r26.310
x2-y2-8.877
xy-1.725
xz4.385
yz-0.748


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.134 0.049 0.185
y 0.049 3.443 -0.027
z 0.185 -0.027 2.124


<r2> (average value of r2) Å2
<r2> 121.532
(<r2>)1/2 11.024