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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-192.114785
Energy at 298.15K-192.119882
HF Energy-192.114785
Nuclear repulsion energy79.014372
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 wB97X-D/cc-pVDZ
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' 3896 3711 12.28      
2 A' 3794 3614 441.43      
3 A' 3144 2995 45.16      
4 A' 3012 2869 82.09      
5 A' 1629 1552 98.55      
6 A' 1526 1453 4.01      
7 A' 1493 1422 10.04      
8 A' 1427 1360 38.97      
9 A' 1127 1074 1.30      
10 A' 1109 1057 125.82      
11 A' 265 252 253.59      
12 A' 186 177 14.94      
13 A' 59 56 35.49      
14 A" 4017 3826 96.37      
15 A" 3066 2921 77.53      
16 A" 1503 1431 2.11      
17 A" 1189 1133 0.41      
18 A" 721 687 174.68      
19 A" 211 201 0.57      
20 A" 41 39 62.93      
21 A" 40 38 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 16727.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 15934.5 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 wB97X-D/cc-pVDZ
ABC
1.06655 0.13090 0.12128

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.374 0.000
O2 -0.963 0.310 0.000
O3 1.965 0.664 0.000
C4 -1.343 -1.046 0.000
H5 2.225 1.177 0.771
H6 2.225 1.177 -0.771
H7 -2.436 -1.081 0.000
H8 -0.985 -1.582 -0.891
H9 -0.985 -1.582 0.891

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.96531.98661.95452.48752.48752.83692.36422.3642
O20.96532.94991.40803.39243.39242.02522.09112.0911
O31.98662.94993.72450.96110.96114.73433.81393.8139
C41.95451.40803.72454.27374.27371.09291.09971.0997
H52.48753.39240.96114.27371.54135.23534.54704.2341
H62.48753.39240.96114.27371.54135.23534.23414.5470
H72.83692.02524.73431.09295.23535.23531.77441.7744
H82.36422.09113.81391.09974.54704.23411.77441.7825
H92.36422.09113.81391.09974.23414.54701.77441.7825

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 109.465 H1 O3 H5 110.181
H1 O3 H6 110.181 O2 H1 O3 175.397
O2 C4 H7 107.484 O2 C4 H8 112.412
O2 C4 H9 112.412 H5 O3 H6 106.619
H7 C4 H8 108.043 H7 C4 H9 108.043
H8 C4 H9 108.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.413      
2 O -0.572      
3 O -0.775      
4 C -0.234      
5 H 0.384      
6 H 0.384      
7 H 0.147      
8 H 0.126      
9 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.211 0.442 0.000 3.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.360 7.885 0.000
y 7.885 -18.085 0.000
z 0.000 0.000 -18.215
Traceless
 xyz
x 2.790 7.885 0.000
y 7.885 -1.297 0.000
z 0.000 0.000 -1.493
Polar
3z2-r2-2.985
x2-y22.725
xy7.885
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 0.305 0.000
y 0.305 3.826 0.000
z 0.000 0.000 3.621


<r2> (average value of r2) Å2
<r2> 95.896
(<r2>)1/2 9.793