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

using model chemistry: PBEPBEultrafine_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 PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.014485
Energy at 298.15K-192.019892
Nuclear repulsion energy39.971262
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 PBEPBEultrafine_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 3796 3758 66.48      
2 A 3741 3704 37.08      
3 A 3531 3496 472.27      
4 A 3065 3034 15.05      
5 A 3005 2975 35.93      
6 A 2944 2915 53.92      
7 A 1612 1596 38.72      
8 A 1457 1442 6.50      
9 A 1445 1431 4.40      
10 A 1425 1411 2.65      
11 A 1329 1316 22.99      
12 A 1134 1123 0.04      
13 A 1049 1038 2.80      
14 A 1009 999 121.34      
15 A 638 632 53.73      
16 A 388 384 42.67      
17 A 294 291 169.69      
18 A 178 176 3.60      
19 A 113 111 108.09      
20 A 65 64 15.29      
21 A 50 50 10.51      

Unscaled Zero Point Vibrational Energy (zpe) 16132.7 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 15971.3 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 PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)
ABC
1.00172 0.13314 0.12222

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.180 0.131 -0.053
O2 2.086 -0.210 0.107
O3 -0.646 0.659 -0.106
H4 2.597 0.088 -0.659
H5 -0.793 1.240 0.656
C6 -1.536 -0.461 0.003
H7 -2.590 -0.142 -0.023
H8 -1.341 -1.100 -0.866
H9 -1.351 -1.045 0.917

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98051.90241.54152.37212.78113.78032.92142.9551
O20.98052.87490.96783.26943.63254.67813.67243.6286
O31.90242.87493.33980.96921.43452.10362.03812.1089
H41.54150.96783.33983.81454.22215.23124.11924.3996
H52.37213.26940.96923.81451.96772.36612.84442.3667
C62.78113.63251.43454.22211.96771.10111.09561.1011
H73.78034.67812.10365.23122.36611.10111.78531.7985
H82.92143.67242.03814.11922.84441.09561.78531.7837
H92.95513.62862.10894.39962.36671.10111.79851.7837

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 104.597 H1 O3 H5 106.841
H1 O3 C6 112.146 O2 H1 O3 170.998
O3 C6 H7 111.448 O3 C6 H8 106.559
O3 C6 H9 111.883 H5 O3 C6 108.332
H7 C6 H8 108.732 H7 C6 H9 109.512
H8 C6 H9 108.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_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 -0.510      
4 H 0.000      
5 H 0.166      
6 C 0.260      
7 H 0.028      
8 H 0.027      
9 H 0.029      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.447 0.807 -0.209 2.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.190 2.032 -4.868
y 2.032 -19.866 1.798
z -4.868 1.798 -19.307
Traceless
 xyz
x -0.604 2.032 -4.868
y 2.032 -0.117 1.798
z -4.868 1.798 0.721
Polar
3z2-r21.442
x2-y2-0.324
xy2.032
xz-4.868
yz1.798


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.160 0.246 0.009
y 0.246 3.378 0.045
z 0.009 0.045 3.023


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