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

using model chemistry: B3LYPultrafine_cp_opt/6-31G*

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/6-31G*
 hartrees
Energy at 0K-192.131891
Energy at 298.15K-192.137368
Nuclear repulsion energy40.124535
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/6-31G*
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 3811 3651 54.49      
2 A 3756 3598 21.68      
3 A 3626 3474 289.74      
4 A 3147 3015 26.37      
5 A 3074 2945 62.40      
6 A 3021 2894 54.42      
7 A 1745 1672 66.33      
8 A 1539 1474 3.93      
9 A 1525 1461 2.92      
10 A 1509 1445 7.51      
11 A 1399 1340 31.98      
12 A 1184 1134 0.54      
13 A 1093 1047 7.48      
14 A 1062 1018 131.41      
15 A 640 613 100.94      
16 A 414 397 85.02      
17 A 308 295 166.36      
18 A 187 179 1.66      
19 A 115 110 119.56      
20 A 66 63 23.11      
21 A 46 44 8.65      

Unscaled Zero Point Vibrational Energy (zpe) 16632.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 15934.1 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 B3LYPultrafine_cp_opt/6-31G*
ABC
1.02973 0.12885 0.11901

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.207 0.098 -0.022
O2 2.128 -0.201 0.110
O3 -0.654 0.644 -0.105
H4 2.576 0.079 -0.701
H5 -0.825 1.247 0.634
C6 -1.561 -0.451 0.003
H7 -2.608 -0.125 -0.074
H8 -1.345 -1.120 -0.833
H9 -1.428 -1.012 0.939

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97681.94151.52802.42512.82223.82152.94133.0163
O20.97682.91530.96793.33033.69874.73933.71333.7401
O31.94152.91533.33250.96921.42632.09972.02952.1050
H41.52800.96793.33253.83554.22985.22514.10184.4622
H52.42513.33030.96923.83551.95592.35842.83322.3579
C62.82223.69871.42634.22981.95591.09881.09251.0989
H73.82154.73932.09975.22512.35841.09881.77821.7896
H82.94133.71332.02954.10182.83321.09251.77821.7776
H93.01633.74012.10504.46222.35791.09891.78961.7776

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 103.581 H1 O3 H5 108.143
H1 O3 C6 112.962 O2 H1 O3 174.480
O3 C6 H7 111.854 O3 C6 H8 106.613
O3 C6 H9 112.292 H5 O3 C6 107.939
H7 C6 H8 108.477 H7 C6 H9 109.039
H8 C6 H9 108.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.611      
4 H 0.000      
5 H 0.389      
6 C -0.205      
7 H 0.132      
8 H 0.163      
9 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.788 0.919 -0.316 2.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.171 2.049 -5.251
y 2.049 -18.577 1.865
z -5.251 1.865 -18.311
Traceless
 xyz
x -1.727 2.049 -5.251
y 2.049 0.664 1.865
z -5.251 1.865 1.063
Polar
3z2-r22.126
x2-y2-1.595
xy2.049
xz-5.251
yz1.865


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.114 -0.133 0.018
y -0.133 2.504 -0.162
z 0.018 -0.162 2.352


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