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

using model chemistry: PBEPBEultrafine_cp/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 PBEPBEultrafine_cp/6-31G*
 hartrees
Energy at 0K-191.899597
Energy at 298.15K-191.892357
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 PBEPBEultrafine/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 3705 3644 36.42      
2 A 3633 3573 19.85      
3 A 3466 3408 258.84      
4 A 3080 3029 24.69      
5 A 3027 2977 33.29      
6 A 2959 2910 53.31      
7 A 1716 1688 48.88      
8 A 1493 1468 3.82      
9 A 1477 1452 3.24      
10 A 1446 1422 1.32      
11 A 1361 1338 26.88      
12 A 1146 1127 2.09      
13 A 1065 1047 4.53      
14 A 1018 1001 106.83      
15 A 673 662 160.11      
16 A 544 535 23.43      
17 A 295 290 233.68      
18 A 205 201 7.62      
19 A 158 155 94.94      
20 A 134 132 29.87      
21 A 114 112 28.86      

Unscaled Zero Point Vibrational Energy (zpe) 16355.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 16085.6 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 PBEPBEultrafine/6-31G*
ABC
0.79186 0.16405 0.14314

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.075 0.364 0.187
O2 -1.898 -0.092 -0.118
O3 0.780 0.762 0.146
H4 -2.223 -0.525 0.695
H5 0.699 1.151 -0.749
C6 1.241 -0.588 -0.034
H7 2.184 -0.628 -0.611
H8 1.435 -0.985 0.974
H9 0.471 -1.214 -0.522

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98841.89851.53762.15492.51403.49952.95672.3208
O20.98842.82340.97632.94723.17854.14643.61912.6523
O31.89852.82343.31310.97921.43792.11602.04122.1094
H41.53760.97633.31313.66453.53994.59743.69733.0353
H52.15492.94720.97923.66451.95632.32152.84102.3868
C62.51403.17851.43793.53991.95631.10641.10101.1058
H73.49954.14642.11604.59742.32151.10641.78901.8127
H82.95673.61912.04123.69732.84101.10101.78901.7948
H92.32082.65232.10943.03532.38681.10581.81271.7948

picture of water methanol dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.387      
2 O -0.805      
3 O -0.572      
4 H 0.370      
5 H 0.404      
6 C -0.292      
7 H 0.156      
8 H 0.178      
9 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.726 -0.574 0.258 1.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


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