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

using model chemistry: PBEPBE_cp/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-192.015938
Energy at 298.15K-192.007938
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 PBEPBE/aug-cc-pVTZ
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 3790 3766 71.66      
2 A 3690 3666 6.22      
3 A 3535 3512 480.32      
4 A 3026 3007 37.72      
5 A 2947 2928 65.65      
6 A 2905 2886 85.48      
7 A 1593 1583 67.75      
8 A 1458 1448 2.85      
9 A 1441 1432 2.20      
10 A 1419 1410 3.54      
11 A 1383 1374 34.32      
12 A 1129 1122 0.16      
13 A 1080 1073 2.98      
14 A 1034 1028 104.81      
15 A 682 677 87.21      
16 A 269 267 191.02      
17 A 201 199 0.27      
18 A 164 163 5.25      
19 A 88 87 2.62      
20 A 78 77 31.25      
21 A 71 71 56.06      

Unscaled Zero Point Vibrational Energy (zpe) 15990.8 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 15886.8 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 PBEPBE/aug-cc-pVTZ
ABC
1.18916 0.12746 0.11986

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.188 0.300 0.000
O2 0.712 0.686 -0.000
O3 -2.035 -0.235 0.000
C4 1.653 -0.381 0.000
H5 -2.463 0.177 -0.768
H6 -2.463 0.177 0.768
H7 2.655 0.067 -0.000
H8 1.564 -1.022 0.896
H9 1.564 -1.022 -0.896

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.97911.92281.96352.40442.40442.85332.37122.3712
O20.97912.89701.42293.30613.30612.03982.10852.1085
O31.92282.89703.69120.97110.97114.70043.79203.7919
C41.96351.42293.69124.22454.22461.09811.10501.1050
H52.40443.30610.97114.22451.53665.17734.51984.2041
H62.40443.30610.97114.22461.53665.17734.20424.5198
H72.85332.03984.70041.09815.17735.17731.78321.7832
H82.37122.10853.79201.10504.51984.20421.78321.7920
H92.37122.10853.79191.10504.20414.51981.78321.7920

picture of methanol water dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.248      
2 O -0.445      
3 O -0.325      
4 C -0.469      
5 H 0.169      
6 H 0.169      
7 H 0.241      
8 H 0.206      
9 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.535 -0.354 0.000 2.560
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> 99.145
(<r2>)1/2 9.957