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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-192.076910
Energy at 298.15K-192.082757
HF Energy-192.076910
Nuclear repulsion energy 
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/6-31G*
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 3915 3713 63.03      
2 A 3849 3650 36.62      
3 A 3718 3527 240.93      
4 A 3176 3013 27.50      
5 A 3126 2965 40.41      
6 A 3054 2897 45.97      
7 A 1756 1666 66.40      
8 A 1551 1471 4.76      
9 A 1538 1459 4.39      
10 A 1514 1436 3.09      
11 A 1409 1336 35.70      
12 A 1197 1136 0.16      
13 A 1112 1055 0.52      
14 A 1087 1031 131.51      
15 A 658 624 183.93      
16 A 527 500 21.26      
17 A 293 278 222.05      
18 A 217 206 11.24      
19 A 150 142 127.34      
20 A 108 103 56.07      
21 A 99 94 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 17026.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 16150.0 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/6-31G*
ABC
0.81527 0.16155 0.14178

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.100 0.338 0.158
O2 -1.917 -0.111 -0.120
O3 0.773 0.749 0.140
H4 -2.322 -0.392 0.706
H5 0.746 1.160 -0.733
C6 1.271 -0.575 -0.026
H7 2.251 -0.575 -0.518
H8 1.384 -0.991 0.977
H9 0.567 -1.196 -0.592

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97211.91801.52542.20902.54753.53832.93372.3867
O20.97212.83580.96273.01333.22274.21213.58772.7516
O31.91802.83583.34740.96541.42482.09072.02552.0888
H41.52540.96273.34743.72783.67184.73773.76403.2684
H52.20903.01330.96543.72781.94562.30652.82082.3669
C62.54753.22271.42483.67181.94561.09631.09141.0959
H73.53834.21212.09074.73772.30651.09631.77721.7958
H82.93373.58772.02553.76402.82081.09141.77721.7802
H92.38672.75162.08883.26842.36691.09591.79581.7802

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 104.069 H1 O3 H5 94.162
H1 O3 C6 98.217 O2 H1 O3 156.424
O3 C6 H7 111.388 O3 C6 H8 106.462
O3 C6 H9 111.262 H5 O3 C6 107.421
H7 C6 H8 108.652 H7 C6 H9 110.006
H8 C6 H9 108.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.421      
2 O -0.855      
3 O -0.634      
4 H 0.394      
5 H 0.424      
6 C -0.276      
7 H 0.162      
8 H 0.184      
9 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.853 -0.402 0.305 1.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.919 -0.119 -5.496
y -0.119 -18.627 -2.878
z -5.496 -2.878 -17.767
Traceless
 xyz
x -2.722 -0.119 -5.496
y -0.119 0.716 -2.878
z -5.496 -2.878 2.006
Polar
3z2-r24.012
x2-y2-2.292
xy-0.119
xz-5.496
yz-2.878


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.543 0.071 -0.197
y 0.071 2.901 -0.238
z -0.197 -0.238 3.031


<r2> (average value of r2) Å2
<r2> 83.550
(<r2>)1/2 9.141