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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-191.165335
Energy at 298.15K-191.170316
HF Energy-191.165335
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.223189
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 HF/Def2TZVPP
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' 4132 3745 28.07      
2 A' 4120 3735 291.67      
3 A' 3233 2931 59.92      
4 A' 3133 2840 75.34      
5 A' 1751 1587 92.56      
6 A' 1631 1479 3.30      
7 A' 1609 1459 8.01      
8 A' 1522 1380 45.22      
9 A' 1192 1080 8.10      
10 A' 1182 1072 127.49      
11 A' 201 182 232.13      
12 A' 134 122 18.80      
13 A' 63 57 35.64      
14 A" 4228 3832 105.05      
15 A" 3171 2874 92.16      
16 A" 1619 1468 1.62      
17 A" 1281 1161 2.78      
18 A" 611 554 158.78      
19 A" 180 163 6.55      
20 A" 82 74 14.48      
21 A" 60 54 31.75      

Unscaled Zero Point Vibrational Energy (zpe) 17568.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 15924.1 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 HF/Def2TZVPP
ABC
1.10825 0.11883 0.11116

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.351 0.000
O2 -0.943 0.340 0.000
O3 2.010 0.577 0.000
C4 -1.408 -0.974 0.000
H5 2.282 1.072 0.753
H6 2.282 1.072 -0.753
H7 -2.489 -0.947 0.000
H8 -1.083 -1.521 -0.881
H9 -1.083 -1.521 0.881

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.94292.02281.93362.50892.50892.80702.33512.3351
O20.94292.96251.39413.39163.39162.01152.06362.0636
O32.02282.96253.75370.94130.94134.75023.83993.8399
C41.93361.39413.75374.28604.28601.08131.08671.0867
H52.50893.39160.94134.28601.50675.23494.55144.2496
H62.50893.39160.94134.28601.50675.23494.24964.5514
H72.80702.01154.75021.08135.23495.23491.75581.7558
H82.33512.06363.83991.08674.55144.24961.75581.7627
H92.33512.06363.83991.08674.24964.55141.75581.7627

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 110.159 H1 O3 H5 110.230
H1 O3 H6 110.230 O2 H1 O3 174.256
O2 C4 H7 108.036 O2 C4 H8 111.975
O2 C4 H9 111.975 H5 O3 H6 106.326
H7 C4 H8 108.163 H7 C4 H9 108.163
H8 C4 H9 108.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.234      
2 O -0.461      
3 O -0.457      
4 C 0.068      
5 H 0.238      
6 H 0.238      
7 H 0.057      
8 H 0.042      
9 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.053 -0.214 0.000 3.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.907 6.183 0.000
y 6.183 -20.368 0.000
z 0.000 0.000 -17.822
Traceless
 xyz
x 7.187 6.183 0.000
y 6.183 -5.503 0.000
z 0.000 0.000 -1.684
Polar
3z2-r2-3.368
x2-y28.460
xy6.183
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.019 0.257 0.000
y 0.257 3.517 0.000
z 0.000 0.000 3.546


<r2> (average value of r2) Å2
<r2> 102.715
(<r2>)1/2 10.135