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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-266.214799
Energy at 298.15K-266.218385
Counterpoise corrected energy-266.214136
CP Energy at 298.15K-266.217643
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.628185
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/6-31+G**
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 3923 3783 96.74      
2 A 3791 3655 25.94      
3 A 3739 3605 67.05      
4 A 3120 3009 6.42      
5 A 1821 1756 371.74      
6 A 1606 1548 134.26      
7 A 1407 1357 9.00      
8 A 1273 1227 6.58      
9 A 1115 1075 289.75      
10 A 1058 1020 3.06      
11 A 668 644 167.12      
12 A 622 600 37.56      
13 A 330 318 85.03      
14 A 286 276 166.57      
15 A 134 129 1.43      
16 A 86 83 192.63      
17 A 78 76 15.98      
18 A 61 59 6.75      

Unscaled Zero Point Vibrational Energy (zpe) 12559.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 12109.4 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/6-31+G**
ABC
0.67433 0.09538 0.08356

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.921 0.532 -0.000
O2 2.346 -0.338 -0.001
O3 -0.256 0.943 0.000
H4 3.298 -0.182 0.001
H5 -0.978 1.596 -0.001
C6 -0.816 -0.295 0.001
O7 -2.005 -0.495 -0.001
H8 -0.027 -1.057 0.003

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96762.21601.55043.08902.85924.05832.5145
O20.96762.90020.96433.84593.16194.35372.4801
O32.21602.90023.72770.97381.35832.26402.0131
H41.55040.96433.72774.63114.11495.31173.4383
H53.08903.84590.97384.63111.89782.32932.8185
C62.85923.16191.35834.11491.89781.20591.0966
O74.05834.35372.26405.31172.32931.20592.0558
H82.51452.48012.01313.43832.81851.09662.0558

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 106.749 H1 O3 H5 148.574
H1 O3 C6 103.634 O2 H1 O3 126.719
O3 C6 O7 123.881 O3 C6 H8 109.720
H5 O3 C6 107.792 O7 C6 H8 126.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.373      
2 O -0.738      
3 O -0.480      
4 H 0.374      
5 H 0.381      
6 C 0.351      
7 O -0.437      
8 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.158 2.578 0.004 3.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.529 -1.029 0.010
y -1.029 -21.557 -0.010
z 0.010 -0.010 -25.157
Traceless
 xyz
x -0.172 -1.029 0.010
y -1.029 2.786 -0.010
z 0.010 -0.010 -2.614
Polar
3z2-r2-5.228
x2-y2-1.972
xy-1.029
xz0.010
yz-0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.317 0.249 0.002
y 0.249 4.252 -0.001
z 0.002 -0.001 2.895


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