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

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-192.175604
Energy at 298.15K-192.180743
HF Energy-192.175604
Nuclear repulsion energy79.184403
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/TZVP
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' 3879 3704 11.05      
2 A' 3771 3602 406.42      
3 A' 3128 2987 47.10      
4 A' 3000 2865 73.90      
5 A' 1620 1547 73.32      
6 A' 1519 1451 2.64      
7 A' 1492 1425 11.84      
8 A' 1436 1372 34.30      
9 A' 1127 1076 1.01      
10 A' 1100 1051 118.88      
11 A' 254 243 258.25      
12 A' 188 180 14.14      
13 A' 66 63 28.22      
14 A" 3989 3810 76.39      
15 A" 3047 2910 81.88      
16 A" 1492 1425 1.61      
17 A" 1186 1133 0.50      
18 A" 707 675 164.45      
19 A" 207 197 0.11      
20 A" 78 74 50.77      
21 A" 33 31 10.96      

Unscaled Zero Point Vibrational Energy (zpe) 16659.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 15909.6 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 wB97X-D/TZVP
ABC
1.04748 0.13226 0.12215

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.392 0.000
O2 -0.962 0.352 0.000
O3 1.977 0.587 0.000
C4 -1.361 -0.996 0.000
H5 2.261 1.088 0.765
H6 2.261 1.088 -0.765
H7 -2.451 -1.018 0.000
H8 -1.012 -1.540 -0.888
H9 -1.012 -1.540 0.888

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.96281.98661.94392.48622.48622.82792.35432.3543
O20.96282.94831.40603.39323.39322.02382.09022.0902
O31.98662.94833.69440.95740.95744.71023.77423.7742
C41.94391.40603.69444.24824.24821.09051.09781.0978
H52.48623.39320.95744.24821.52965.21794.51084.1990
H62.48623.39320.95744.24821.52965.21794.19904.5108
H72.82792.02384.71021.09055.21795.21791.76961.7696
H82.35432.09023.77421.09784.51084.19901.76961.7752
H92.35432.09023.77421.09784.19904.51081.76961.7752

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 108.852 H1 O3 H5 110.276
H1 O3 H6 110.276 O2 H1 O3 176.727
O2 C4 H7 107.648 O2 C4 H8 112.617
O2 C4 H9 112.617 H5 O3 H6 106.037
H7 C4 H8 107.929 H7 C4 H9 107.929
H8 C4 H9 107.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.279      
2 O -0.432      
3 O -0.563      
4 C -0.158      
5 H 0.295      
6 H 0.295      
7 H 0.111      
8 H 0.086      
9 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.356 0.378 0.000 3.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.314 7.488 0.000
y 7.488 -18.475 0.000
z 0.000 0.000 -18.020
Traceless
 xyz
x 3.933 7.488 0.000
y 7.488 -2.308 0.000
z 0.000 0.000 -1.625
Polar
3z2-r2-3.251
x2-y24.161
xy7.488
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.021 0.343 0.000
y 0.343 3.542 0.000
z 0.000 0.000 3.569


<r2> (average value of r2) Å2
<r2> 95.123
(<r2>)1/2 9.753