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

using model chemistry: B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.245177
Energy at 298.15K-192.250267
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/6-311+G(3df,2pd)
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' 3819 3705 10.33      
2 A' 3731 3619 409.16      
3 A' 3093 3000 38.82      
4 A' 2980 2891 75.48      
5 A' 1629 1580 75.93      
6 A' 1512 1467 3.51      
7 A' 1479 1435 3.72      
8 A' 1416 1374 36.21      
9 A' 1112 1079 9.91      
10 A' 1064 1032 104.16      
11 A' 241 233 208.42      
12 A' 153 149 10.48      
13 A' 73 71 37.86      
14 A" 3916 3798 83.78      
15 A" 3021 2930 65.07      
16 A" 1499 1454 2.46      
17 A" 1174 1139 0.56      
18 A" 656 637 112.06      
19 A" 187 181 0.68      
20 A" 87 84 9.00      
21 A" 65 63 50.24      

Unscaled Zero Point Vibrational Energy (zpe) 16453.5 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15959.9 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/6-311+G(3df,2pd)
ABC
1.13602 0.12234 0.11461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.359 0.000
O2 -0.963 0.282 0.000
O3 1.942 0.723 0.000
C4 -1.320 -1.088 0.000
H5 2.199 1.245 0.765
H6 2.199 1.245 -0.765
H7 -2.407 -1.141 0.000
H8 -0.952 -1.611 -0.889
H9 -0.952 -1.611 0.889

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.96651.97591.95862.49142.49142.83652.36192.3619
O20.96652.93881.41553.39343.39342.02722.09152.0915
O31.97592.93883.73080.96150.96154.73203.82253.8225
C41.95861.41553.73084.29094.29091.08891.09521.0952
H52.49143.39340.96154.29091.53045.24404.56314.2546
H62.49143.39340.96154.29091.53045.24404.25464.5631
H72.83652.02724.73201.08895.24405.24401.76941.7694
H82.36192.09153.82251.09524.56314.25461.76941.7774
H92.36192.09153.82251.09524.25464.56311.76941.7774

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 109.173 H1 O3 H5 111.265
H1 O3 H6 111.265 O2 H1 O3 173.989
O2 C4 H7 107.371 O2 C4 H8 112.201
O2 C4 H9 112.201 H5 O3 H6 105.471
H7 C4 H8 108.217 H7 C4 H9 108.217
H8 C4 H9 108.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.356      
4 C 0.000      
5 H 0.178      
6 H 0.178      
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
  2.584 0.686 0.000 2.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.317 7.231 0.000
y 7.231 -17.320 0.000
z 0.000 0.000 -18.418
Traceless
 xyz
x 0.552 7.231 0.000
y 7.231 0.547 0.000
z 0.000 0.000 -1.100
Polar
3z2-r2-2.199
x2-y20.003
xy7.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.223 0.002 0.000
y 0.002 1.227 0.000
z 0.000 0.000 1.366


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