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All results from a given calculation for H2OCH3OH (water methanol dimer)

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-192.178895
Energy at 298.15K-192.184462
Counterpoise corrected energy-192.177701
CP Energy at 298.15K-192.183109
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy79.075033
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 B3LYP/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 3895 3755 91.67      
2 A 3839 3702 44.38      
3 A 3655 3524 435.69      
4 A 3150 3037 18.13      
5 A 3091 2980 42.56      
6 A 3027 2919 57.69      
7 A 1632 1574 60.11      
8 A 1511 1457 6.22      
9 A 1503 1449 4.60      
10 A 1484 1431 5.61      
11 A 1358 1310 28.79      
12 A 1176 1134 0.22      
13 A 1075 1036 21.84      
14 A 1042 1005 130.49      
15 A 682 657 96.94      
16 A 413 398 72.29      
17 A 306 295 186.96      
18 A 194 187 2.06      
19 A 129 124 143.25      
20 A 74 72 22.52      
21 A 55 53 13.65      

Unscaled Zero Point Vibrational Energy (zpe) 16645.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 16049.1 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 B3LYP/6-31+G**
ABC
1.02803 0.13300 0.12232

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.180 0.123 -0.033
O2 2.087 -0.207 0.107
O3 -0.631 0.643 -0.101
H4 2.594 0.071 -0.664
H5 -0.822 1.286 0.593
C6 -1.547 -0.455 0.003
H7 -2.582 -0.123 -0.142
H8 -1.284 -1.154 -0.792
H9 -1.454 -0.967 0.968

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97521.88491.54952.39902.78693.77072.87663.0209
O20.97522.85480.96403.30583.64334.67573.61523.7224
O31.88492.85483.32320.96561.43332.09612.03282.1008
H41.54950.96403.32323.83794.22705.20564.06924.4865
H52.39903.30580.96563.83791.97572.37082.84362.3703
C62.78693.64331.43334.22701.97571.09641.09111.0964
H73.77074.67572.09615.20562.37081.09641.78011.7933
H82.87663.61522.03284.06922.84361.09111.78011.7785
H93.02093.72242.10084.48652.37031.09641.79331.7785

picture of water methanol dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.076 H1 O3 H5 110.413
H1 O3 C6 113.556 O2 H1 O3 172.650
O3 C6 H7 111.213 O3 C6 H8 106.483
O3 C6 H9 111.598 H5 O3 C6 109.335
H7 C6 H8 108.922 H7 C6 H9 109.729
H8 C6 H9 108.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.427      
2 O -0.769      
3 O -0.590      
4 H 0.345      
5 H 0.361      
6 C -0.214      
7 H 0.137      
8 H 0.159      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.812 0.952 -0.397 2.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.075 2.167 -5.547
y 2.167 -19.516 1.924
z -5.547 1.924 -19.469
Traceless
 xyz
x -0.582 2.167 -5.547
y 2.167 0.256 1.924
z -5.547 1.924 0.327
Polar
3z2-r20.654
x2-y2-0.559
xy2.167
xz-5.547
yz1.924


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.470 0.083 -0.083
y 0.083 3.802 0.070
z -0.083 0.070 3.554


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