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

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-266.321667
Energy at 298.15K-266.325157
HF Energy-266.321667
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.206042
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/Def2TZVPP
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 3901 3755 92.52      
2 A 3790 3649 32.80      
3 A 3735 3595 66.22      
4 A 3078 2963 12.87      
5 A 1822 1754 348.52      
6 A 1634 1572 77.38      
7 A 1406 1354 7.30      
8 A 1284 1236 2.84      
9 A 1105 1064 275.48      
10 A 1065 1025 2.26      
11 A 665 640 142.35      
12 A 629 606 38.71      
13 A 368 354 142.64      
14 A 223 214 99.74      
15 A 125 120 21.42      
16 A 95 92 68.72      
17 A 54 52 3.83      
18 A 51 49 50.39      

Unscaled Zero Point Vibrational Energy (zpe) 12515.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 12046.9 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/Def2TZVPP
ABC
0.69863 0.09082 0.08066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.978 0.523 -0.113
O2 2.445 -0.318 -0.085
O3 -0.301 0.949 0.007
H4 3.062 -0.250 0.647
H5 -1.022 1.594 -0.005
C6 -0.839 -0.288 0.008
O7 -2.012 -0.519 0.003
H8 -0.038 -1.035 0.014

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96182.32091.53313.18702.93374.12552.5503
O20.96183.02480.95963.95973.28564.46262.5862
O32.32093.02483.62640.96801.34882.25522.0006
H41.53310.95963.62644.52783.95325.12193.2597
H53.18703.95970.96804.52781.89082.33412.8068
C62.93373.28561.34883.95321.89081.19571.0953
O74.12554.46262.25525.12192.33411.19572.0404
H82.55032.58622.00063.25972.80681.09532.0404

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 105.858 H1 O3 H5 148.566
H1 O3 C6 102.930 O2 H1 O3 129.469
O3 C6 O7 124.706 O3 C6 H8 109.445
H5 O3 C6 108.276 O7 C6 H8 125.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.208      
2 O -0.404      
3 O -0.273      
4 H 0.195      
5 H 0.202      
6 C 0.246      
7 O -0.281      
8 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.484 2.290 1.046 2.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.707 -1.204 3.648
y -1.204 -21.176 -0.443
z 3.648 -0.443 -23.849
Traceless
 xyz
x -4.195 -1.204 3.648
y -1.204 4.102 -0.443
z 3.648 -0.443 0.093
Polar
3z2-r20.186
x2-y2-5.531
xy-1.204
xz3.648
yz-0.443


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.316 0.175 0.184
y 0.175 4.326 -0.014
z 0.184 -0.014 2.925


<r2> (average value of r2) Å2
<r2> 129.124
(<r2>)1/2 11.363