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All results from a given calculation for CH3OHH2O (methanol water dimer)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-192.110290
Energy at 298.15K-192.115527
HF Energy-192.110290
Nuclear repulsion energy78.772183
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 B97D3/6-311G**
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' 3732 3678 6.82      
2 A' 3598 3546 413.75      
3 A' 3031 2987 64.84      
4 A' 2895 2854 96.83      
5 A' 1616 1593 58.21      
6 A' 1485 1464 1.39      
7 A' 1459 1438 12.37      
8 A' 1426 1406 30.05      
9 A' 1103 1087 9.99      
10 A' 1038 1023 99.05      
11 A' 293 289 260.73      
12 A' 194 191 0.50      
13 A' 61 60 41.11      
14 A" 3837 3783 43.14      
15 A" 2929 2887 115.04      
16 A" 1459 1438 0.87      
17 A" 1149 1132 0.39      
18 A" 726 715 107.14      
19 A" 222 219 15.74      
20 A" 103 101 35.62      
21 A" 29 29 31.18      

Unscaled Zero Point Vibrational Energy (zpe) 16191.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 15960.3 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 B97D3/6-311G**
ABC
1.06921 0.13022 0.12070

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.378 0.000
O2 -0.966 0.262 0.000
O3 1.868 0.776 0.000
C4 -1.206 -1.138 0.000
H5 1.952 1.364 0.762
H6 1.952 1.364 -0.762
H7 -2.292 -1.288 0.000
H8 -0.795 -1.644 -0.893
H9 -0.795 -1.644 0.893

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.97341.90951.93752.31562.31562.83402.34932.3493
O20.97342.88041.42033.21133.21132.03962.11162.1116
O31.90952.88043.62070.96610.96614.64383.70703.7070
C41.93751.42033.62074.10024.10021.09681.10561.1056
H52.31563.21130.96614.10021.52405.06224.39664.0752
H62.31563.21130.96614.10021.52405.06224.07524.3966
H72.83402.03964.64381.09685.06225.06221.77951.7795
H82.34932.11163.70701.10564.39664.07521.77951.7867
H92.34932.11163.70701.10564.07524.39661.77951.7867

picture of methanol water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 C4 107.536 H1 O3 H5 109.969
H1 O3 H6 109.969 O2 H1 O3 178.204
O2 C4 H7 107.512 O2 C4 H8 113.167
O2 C4 H9 113.167 H5 O3 H6 104.753
H7 C4 H8 107.774 H7 C4 H9 107.774
H8 C4 H9 107.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.224      
2 O -0.427      
3 O -0.457      
4 C -0.116      
5 H 0.262      
6 H 0.262      
7 H 0.099      
8 H 0.078      
9 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.312 1.222 0.000 2.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.353 6.835 0.000
y 6.835 -15.242 0.000
z 0.000 0.000 -18.034
Traceless
 xyz
x -2.715 6.835 0.000
y 6.835 3.452 0.000
z 0.000 0.000 -0.737
Polar
3z2-r2-1.473
x2-y2-4.111
xy6.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.910 0.542 0.000
y 0.542 3.782 0.000
z 0.000 0.000 3.457


<r2> (average value of r2) Å2
<r2> 96.016
(<r2>)1/2 9.799