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

using model chemistry: B3LYPultrafine_cp_opt/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 B3LYPultrafine_cp_opt/6-31+G**
 hartrees
Energy at 0K-266.214133
Energy at 298.15K-266.217611
Nuclear repulsion energy69.811218
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 B3LYPultrafine_cp_opt/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 3782 94.13      
2 A 3792 3655 25.79      
3 A 3737 3602 66.40      
4 A 3119 3007 7.06      
5 A 1821 1756 375.56      
6 A 1604 1547 139.15      
7 A 1408 1357 8.68      
8 A 1274 1228 6.80      
9 A 1116 1076 290.21      
10 A 1057 1019 3.29      
11 A 666 642 171.51      
12 A 622 600 38.70      
13 A 322 311 96.04      
14 A 276 266 172.97      
15 A 127 123 1.33      
16 A 73 71 16.25      
17 A 65 63 129.27      
18 A 47 45 66.18      

Unscaled Zero Point Vibrational Energy (zpe) 12524.4 cm-1
Scaled (by 0.964) Zero Point Vibrational Energy (zpe) 12073.6 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 B3LYPultrafine_cp_opt/6-31+G**
ABC
0.67431 0.09390 0.08243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.937 0.529 -0.000
O2 -2.369 -0.336 -0.000
O3 0.266 0.943 0.000
H4 -3.319 -0.172 0.000
H5 0.989 1.595 -0.000
C6 0.825 -0.295 0.000
O7 2.013 -0.497 -0.000
H8 0.036 -1.057 0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96732.24121.55033.11382.88144.08112.5311
O20.96732.92930.96433.87403.19404.38562.5109
O32.24122.92933.75480.97381.35792.26402.0131
H41.55030.96433.75484.65674.14585.34283.4702
H53.11383.87400.97384.65671.89742.32952.8184
C62.88143.19401.35794.14581.89741.20601.0967
O74.08114.38562.26405.34282.32951.20602.0554
H82.53112.51092.01313.47022.81841.09672.0554

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 106.756 H1 O3 H5 148.564
H1 O3 C6 103.643 O2 H1 O3 127.208
O3 C6 O7 123.916 O3 C6 H8 109.742
H5 O3 C6 107.792 O7 C6 H8 126.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.410      
4 H 0.000      
5 H 0.360      
6 C 0.340      
7 O -0.430      
8 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.139 2.595 0.001 3.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.555 0.964 -0.002
y 0.964 -21.577 -0.000
z -0.002 -0.000 -25.156
Traceless
 xyz
x -0.188 0.964 -0.002
y 0.964 2.778 -0.000
z -0.002 -0.000 -2.591
Polar
3z2-r2-5.181
x2-y2-1.977
xy0.964
xz-0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.726 0.322 0.000
y 0.322 3.390 -0.000
z 0.000 -0.000 1.943


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