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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-192.135554
Energy at 298.15K-192.140718
HF Energy-192.135554
Nuclear repulsion energy78.009066
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 B97D3/6-311+G(3df,2p)
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' 3742 3693 7.29      
2 A' 3630 3582 413.20      
3 A' 3039 2999 45.69      
4 A' 2916 2878 88.25      
5 A' 1616 1595 71.31      
6 A' 1482 1463 2.86      
7 A' 1448 1429 5.06      
8 A' 1402 1384 33.44      
9 A' 1095 1081 9.26      
10 A' 1027 1013 102.76      
11 A' 281 277 208.09      
12 A' 155 153 2.98      
13 A' 75 74 33.69      
14 A" 3847 3797 64.76      
15 A" 2957 2919 76.40      
16 A" 1466 1446 1.86      
17 A" 1150 1135 0.38      
18 A" 674 665 103.31      
19 A" 201 199 1.48      
20 A" 82 81 4.07      
21 A" 66 65 58.71      

Unscaled Zero Point Vibrational Energy (zpe) 16173.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 15963.7 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 B97D3/6-311+G(3df,2p)
ABC
1.11424 0.12284 0.11484

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.350 0.000
O2 -0.967 0.260 0.000
O3 1.934 0.767 0.000
C4 -1.284 -1.126 0.000
H5 2.069 1.341 0.764
H6 2.069 1.341 -0.764
H7 -2.374 -1.210 0.000
H8 -0.898 -1.642 -0.893
H9 -0.898 -1.642 0.893

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.97101.97821.95622.41772.41772.84102.36012.3601
O20.97102.94451.42193.31163.31162.03542.10212.1021
O31.97822.94453.73300.96500.96504.74013.82323.8232
C41.95621.42193.73304.23184.23181.09391.10101.1010
H52.41773.31160.96504.23181.52805.18004.52134.2086
H62.41773.31160.96504.23181.52805.18004.20864.5213
H72.84102.03544.74011.09395.18005.18001.77861.7786
H82.36012.10213.82321.10104.52134.20861.77861.7864
H92.36012.10213.82321.10104.20864.52131.77861.7864

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 109.154 H1 O3 H5 110.019
H1 O3 H6 110.019 O2 H1 O3 177.032
O2 C4 H7 107.620 O2 C4 H8 112.630
O2 C4 H9 112.630 H5 O3 H6 105.420
H7 C4 H8 107.941 H7 C4 H9 107.941
H8 C4 H9 107.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.367      
2 O -0.662      
3 O -0.451      
4 C 0.026      
5 H 0.219      
6 H 0.219      
7 H 0.092      
8 H 0.096      
9 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.202 0.878 0.000 2.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.144 6.828 0.000
y 6.828 -16.535 0.000
z 0.000 0.000 -18.405
Traceless
 xyz
x -1.674 6.828 0.000
y 6.828 2.239 0.000
z 0.000 0.000 -0.565
Polar
3z2-r2-1.131
x2-y2-2.608
xy6.828
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.910 0.473 0.000
y 0.473 4.788 0.000
z 0.000 0.000 4.270


<r2> (average value of r2) Å2
<r2> 100.540
(<r2>)1/2 10.027