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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-266.315132
Energy at 298.15K-266.318551
Counterpoise corrected energy-266.315022
CP Energy at 298.15K-266.318421
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.181282
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 B3LYP/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 3889 3762 105.10      
2 A 3776 3653 35.07      
3 A 3721 3600 67.60      
4 A 3076 2976 11.75      
5 A 1815 1756 362.24      
6 A 1626 1574 108.92      
7 A 1407 1361 7.14      
8 A 1283 1241 2.98      
9 A 1104 1068 276.35      
10 A 1059 1025 2.08      
11 A 662 641 139.75      
12 A 628 608 34.19      
13 A 317 307 58.23      
14 A 265 256 135.09      
15 A 121 117 2.38      
16 A 63 61 33.98      
17 A 57 56 11.31      
18 A 40 39 105.88      

Unscaled Zero Point Vibrational Energy (zpe) 12454.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12049.9 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 B3LYP/aug-cc-pVTZ
ABC
0.71516 0.09077 0.08054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.912 0.484 -0.000
O2 2.417 -0.337 -0.001
O3 -0.254 0.911 0.000
H4 3.342 -0.078 0.002
H5 -0.949 1.589 -0.001
C6 -0.859 -0.301 0.001
O7 -2.044 -0.462 -0.001
H8 -0.100 -1.089 0.002

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96402.20831.53693.06672.88004.06792.5541
O20.96402.94860.96113.87763.27564.46262.6264
O32.20832.94863.73060.97001.35462.25592.0067
H41.53690.96113.73064.60364.20695.40013.5873
H53.06673.87760.97004.60361.89192.32502.8095
C62.88003.27561.35464.20691.89191.19631.0944
O74.06794.46262.25595.40012.32501.19632.0432
H82.55412.62642.00673.58732.80951.09442.0432

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 105.948 H1 O3 H5 146.856
H1 O3 C6 105.340 O2 H1 O3 132.709
O3 C6 O7 124.228 O3 C6 H8 109.594
H5 O3 C6 107.804 O7 C6 H8 126.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.236      
2 O -0.369      
3 O -0.216      
4 H 0.143      
5 H 0.139      
6 C 0.055      
7 O -0.511      
8 H 0.524      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.814 2.385 0.007 2.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.989 -0.593 0.019
y -0.593 -21.346 -0.007
z 0.019 -0.007 -24.954
Traceless
 xyz
x -1.839 -0.593 0.019
y -0.593 3.625 -0.007
z 0.019 -0.007 -1.786
Polar
3z2-r2-3.572
x2-y2-3.643
xy-0.593
xz0.019
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.921 0.238 0.002
y 0.238 4.932 -0.001
z 0.002 -0.001 3.665


<r2> (average value of r2) Å2
<r2> 129.300
(<r2>)1/2 11.371