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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-266.156489
Energy at 298.15K-266.160586
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.826962
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/LANL2DZ
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 3842 3692 60.83      
2 A 3637 3495 33.00      
3 A 3606 3466 150.60      
4 A 3194 3070 4.30      
5 A 1673 1608 216.75      
6 A 1579 1517 291.05      
7 A 1391 1337 9.68      
8 A 1286 1236 11.08      
9 A 1079 1037 270.61      
10 A 1059 1018 17.93      
11 A 686 659 266.15      
12 A 598 575 55.22      
13 A 515 495 182.55      
14 A 420 404 275.54      
15 A 192 185 3.27      
16 A 114 109 220.92      
17 A 92 88 0.01      
18 A 91 88 33.44      

Unscaled Zero Point Vibrational Energy (zpe) 12524.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 12038.9 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/LANL2DZ
ABC
0.76379 0.09819 0.08701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.761 0.492 0.000
O2 -2.295 -0.333 -0.000
O3 0.156 0.969 -0.000
H4 -3.251 -0.147 0.000
C5 0.630 -0.179 0.000
O6 1.973 -0.453 -0.000
H7 0.041 -1.100 0.000
H8 2.519 0.368 -0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 O6 H7 H8
H10.98301.97561.62072.48343.85142.40474.2816
O20.98302.77520.97412.92844.26882.45824.8641
O31.97562.77523.58471.24212.30652.07182.4378
H41.62070.97413.58473.88055.23223.42705.7923
C52.48342.92841.24213.88051.37031.09251.9667
O63.85144.26882.30655.23221.37032.03700.9857
H72.40472.45822.07183.42701.09252.03702.8798
H84.28164.86412.43785.79231.96670.98572.8798

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 111.817 H1 O3 C5 98.454
O2 H1 O3 136.831 O3 C5 O6 123.911
O3 C5 H7 124.981 C5 O6 H8 112.149
O6 C5 H7 111.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.390      
2 O -0.758      
3 O -0.305      
4 H 0.354      
5 C 0.079      
6 O -0.412      
7 H 0.268      
8 H 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.585 1.068 0.001 1.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.262 0.285 -0.003
y 0.285 -26.647 -0.000
z -0.003 -0.000 -24.499
Traceless
 xyz
x 11.311 0.285 -0.003
y 0.285 -7.266 -0.000
z -0.003 -0.000 -4.045
Polar
3z2-r2-8.089
x2-y212.385
xy0.285
xz-0.003
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.912 -0.246 -0.000
y -0.246 3.449 0.000
z -0.000 0.000 1.438


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