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All results from a given calculation for H2OCH3OH (water methanol dimer)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-191.949681
Energy at 298.15K-191.955293
Counterpoise corrected energy-191.948292
CP Energy at 298.15K-191.953756
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy79.171372
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 PBEPBEultrafine/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 3795 3751 73.31      
2 A 3731 3688 37.39      
3 A 3502 3462 504.16      
4 A 3088 3053 15.30      
5 A 3025 2990 39.20      
6 A 2957 2923 59.24      
7 A 1598 1580 49.54      
8 A 1461 1445 6.94      
9 A 1452 1435 5.09      
10 A 1432 1416 4.66      
11 A 1323 1308 25.56      
12 A 1137 1124 0.01      
13 A 1049 1037 8.30      
14 A 1016 1004 132.62      
15 A 700 692 81.48      
16 A 431 426 57.44      
17 A 314 311 197.95      
18 A 202 200 2.46      
19 A 128 126 134.92      
20 A 80 79 22.26      
21 A 61 60 13.41      

Unscaled Zero Point Vibrational Energy (zpe) 16240.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 16055.8 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 PBEPBEultrafine/6-31+G**
ABC
0.98587 0.13717 0.12535

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.144 0.137 -0.051
O2 2.053 -0.212 0.108
O3 -0.632 0.665 -0.105
H4 2.577 0.084 -0.655
H5 -0.797 1.259 0.649
C6 -1.515 -0.466 0.002
H7 -2.574 -0.156 -0.052
H8 -1.291 -1.116 -0.855
H9 -1.340 -1.036 0.933

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98591.85351.55582.34852.72703.72962.85412.9184
O20.98592.83190.97183.25203.57814.62973.59503.5882
O31.85352.83193.30640.97401.43912.10952.04172.1154
H41.55580.97183.30643.80284.18045.19144.05434.3729
H52.34853.25200.97403.80281.97692.37712.85392.3756
C62.72703.57811.43914.18041.97691.10491.09921.1050
H73.72964.62972.10955.19142.37711.10491.79251.8070
H82.85413.59502.04174.05432.85391.09921.79251.7905
H92.91843.58822.11544.37292.37561.10501.80701.7905

picture of water methanol dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 105.252 H1 O3 H5 108.264
H1 O3 C6 111.213 O2 H1 O3 171.262
O3 C6 H7 111.359 O3 C6 H8 106.322
O3 C6 H9 111.838 H5 O3 C6 108.472
H7 C6 H8 108.835 H7 C6 H9 109.711
H8 C6 H9 108.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.418      
2 O -0.761      
3 O -0.559      
4 H 0.342      
5 H 0.364      
6 C -0.308      
7 H 0.157      
8 H 0.180      
9 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.673 0.916 -0.307 2.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.217 2.346 -5.429
y 2.346 -19.918 1.969
z -5.429 1.969 -19.479
Traceless
 xyz
x -0.518 2.346 -5.429
y 2.346 -0.071 1.969
z -5.429 1.969 0.588
Polar
3z2-r21.177
x2-y2-0.298
xy2.346
xz-5.429
yz1.969


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 0.082 -0.066
y 0.082 3.996 0.083
z -0.066 0.083 3.709


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