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

using model chemistry: B3LYPultrafine_cp_opt/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYPultrafine_cp_opt/6-31+G**
 hartrees
Energy at 0K-192.176682
Energy at 298.15K-192.181773
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 B3LYPultrafine_cp_opt/6-31+G**
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' 3806 3669 10.23      
2 A' 3718 3584 396.30      
3 A' 3115 3003 42.91      
4 A' 2989 2882 85.37      
5 A' 1612 1554 94.18      
6 A' 1513 1459 3.19      
7 A' 1485 1431 9.31      
8 A' 1404 1353 39.70      
9 A' 1109 1069 15.74      
10 A' 1070 1031 112.48      
11 A' 253 244 273.73      
12 A' 152 147 13.96      
13 A' 68 66 53.10      
14 A" 3923 3782 79.72      
15 A" 3035 2926 77.16      
16 A" 1500 1446 1.92      
17 A" 1175 1133 0.31      
18 A" 671 647 157.30      
19 A" 189 182 1.04      
20 A" 86 83 22.01      
21 A" 60 58 52.17      

Unscaled Zero Point Vibrational Energy (zpe) 16465.8 cm-1
Scaled (by 0.964) Zero Point Vibrational Energy (zpe) 15873.0 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 B3LYPultrafine_cp_opt/6-31+G**
ABC
1.14810 0.12086 0.11348

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.342 0.000
O2 -0.967 0.243 0.000
O3 1.925 0.801 0.000
C4 -1.295 -1.138 0.000
H5 2.155 1.334 0.772
H6 2.155 1.334 -0.772
H7 -2.385 -1.211 0.000
H8 -0.914 -1.657 -0.893
H9 -0.914 -1.657 0.893

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.97161.97941.96652.49472.49472.84632.37212.3721
O20.97162.94531.41963.39553.39552.03152.09942.0994
O31.97942.94533.75870.96580.96584.75713.86003.8600
C41.96651.41963.75874.31354.31351.09331.10001.1000
H52.49473.39550.96584.31351.54385.26184.59724.2869
H62.49473.39550.96584.31351.54385.26184.28694.5972
H72.84632.03154.75711.09335.26185.26181.77741.7774
H82.37212.09943.86001.10004.59724.28691.77741.7855
H92.37212.09943.86001.10004.28694.59721.77741.7855

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 109.209 H1 O3 H5 111.044
H1 O3 H6 111.044 O2 H1 O3 172.451
O2 C4 H7 107.170 O2 C4 H8 112.242
O2 C4 H9 112.242 H5 O3 H6 106.117
H7 C4 H8 108.270 H7 C4 H9 108.270
H8 C4 H9 108.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.713      
4 C 0.000      
5 H 0.356      
6 H 0.356      
7 H 0.000      
8 H 0.000      
9 H 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.652 0.780 0.000 2.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.972 7.982 0.000
y 7.982 -16.376 0.000
z 0.000 0.000 -18.477
Traceless
 xyz
x -0.545 7.982 0.000
y 7.982 1.848 0.000
z 0.000 0.000 -1.303
Polar
3z2-r2-2.606
x2-y2-1.595
xy7.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.985 -0.007 0.000
y -0.007 0.978 0.000
z 0.000 0.000 1.166


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000