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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-192.035444
Energy at 298.15K-192.040728
HF Energy-192.035444
Nuclear repulsion energy79.246650
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 HSEh1PBE/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' 3850 3700 10.70      
2 A' 3719 3575 471.85      
3 A' 3106 2985 46.38      
4 A' 2987 2871 78.40      
5 A' 1640 1577 72.59      
6 A' 1511 1453 2.94      
7 A' 1478 1421 3.98      
8 A' 1440 1384 39.12      
9 A' 1125 1081 1.41      
10 A' 1103 1061 109.88      
11 A' 278 268 220.94      
12 A' 183 176 7.12      
13 A' 76 73 34.49      
14 A" 3951 3797 76.40      
15 A" 3031 2913 78.32      
16 A" 1491 1433 1.63      
17 A" 1177 1131 0.70      
18 A" 712 685 105.17      
19 A" 199 191 2.89      
20 A" 95 91 38.18      
21 A" 72 69 24.89      

Unscaled Zero Point Vibrational Energy (zpe) 16612.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 15966.7 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 HSEh1PBE/cc-pVTZ
ABC
1.11899 0.13021 0.12127

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.387 0.000
O2 -0.956 0.256 0.000
O3 1.848 0.772 0.000
C4 -1.213 -1.123 0.000
H5 2.032 1.323 0.762
H6 2.032 1.323 -0.762
H7 -2.295 -1.261 0.000
H8 -0.815 -1.629 -0.889
H9 -0.815 -1.629 0.889

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.96511.88811.93672.36402.36402.82502.34852.3485
O20.96512.85171.40333.26353.26352.02332.08892.0889
O31.88812.85173.60040.95860.95864.61503.69393.6939
C41.93671.40333.60044.13504.13501.09081.09721.0972
H52.36403.26350.95864.13501.52395.09744.42114.1033
H62.36403.26350.95864.13501.52395.09744.10334.4211
H72.82502.02334.61501.09085.09745.09741.76521.7652
H82.34852.08893.69391.09724.42114.10331.76521.7777
H92.34852.08893.69391.09724.10334.42111.76521.7777

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 108.293 H1 O3 H5 107.764
H1 O3 H6 107.764 O2 H1 O3 175.991
O2 C4 H7 107.778 O2 C4 H8 112.737
O2 C4 H9 112.737 H5 O3 H6 105.287
H7 C4 H8 107.566 H7 C4 H9 107.566
H8 C4 H9 108.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.208      
2 O -0.381      
3 O -0.403      
4 C -0.058      
5 H 0.230      
6 H 0.230      
7 H 0.087      
8 H 0.044      
9 H 0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.504 1.103 0.000 2.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.324 6.802 0.000
y 6.802 -15.792 0.000
z 0.000 0.000 -18.020
Traceless
 xyz
x -1.419 6.802 0.000
y 6.802 2.381 0.000
z 0.000 0.000 -0.962
Polar
3z2-r2-1.923
x2-y2-2.533
xy6.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.206 0.500 0.000
y 0.500 4.063 0.000
z 0.000 0.000 3.715


<r2> (average value of r2) Å2
<r2> 95.780
(<r2>)1/2 9.787