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

using model chemistry: PBEPBEultrafine/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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.015073
Energy at 298.15K-192.020540
Counterpoise corrected energy-192.014485
CP Energy at 298.15K-192.019892
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy79.043008
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/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 3795 3757 66.15      
2 A 3739 3701 37.23      
3 A 3522 3487 485.25      
4 A 3065 3035 14.83      
5 A 3005 2975 35.21      
6 A 2945 2916 54.24      
7 A 1617 1601 38.78      
8 A 1457 1442 6.81      
9 A 1445 1431 4.51      
10 A 1425 1411 2.56      
11 A 1329 1316 23.62      
12 A 1134 1123 0.04      
13 A 1049 1038 3.15      
14 A 1008 998 122.41      
15 A 662 656 53.05      
16 A 402 398 41.49      
17 A 301 298 167.06      
18 A 184 182 3.62      
19 A 112 111 104.78      
20 A 70 69 13.92      
21 A 54 53 10.60      

Unscaled Zero Point Vibrational Energy (zpe) 16159.4 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 15997.8 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/6-311+G(3df,2pd)
ABC
0.99900 0.13443 0.12329

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.168 0.127 -0.049
O2 2.076 -0.210 0.107
O3 -0.642 0.661 -0.107
H4 2.581 0.086 -0.663
H5 -0.780 1.234 0.663
C6 -1.530 -0.461 0.003
H7 -2.584 -0.142 -0.010
H8 -1.343 -1.094 -0.872
H9 -1.334 -1.052 0.911

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98121.88741.54192.35022.76133.76112.91062.9279
O20.98122.86160.96783.24773.61564.66123.66423.6033
O31.88742.86163.32100.96941.43492.10352.03852.1090
H41.54190.96783.32103.79114.20035.21104.10294.3710
H52.35023.24770.96943.79111.96782.36672.84462.3653
C62.76133.61561.43494.20031.96781.10101.09551.1011
H73.76114.66122.10355.21102.36671.10101.78551.7986
H82.91063.66422.03854.10292.84461.09551.78551.7838
H92.92793.60332.10904.37102.36531.10111.79861.7838

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 104.577 H1 O3 H5 106.212
H1 O3 C6 111.714 O2 H1 O3 171.614
O3 C6 H7 111.411 O3 C6 H8 106.563
O3 C6 H9 111.866 H5 O3 C6 108.309
H7 C6 H8 108.748 H7 C6 H9 109.529
H8 C6 H9 108.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.329      
2 O -0.475      
3 O -0.550      
4 H 0.151      
5 H 0.180      
6 C 0.255      
7 H 0.033      
8 H 0.034      
9 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.461 0.792 -0.198 2.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.286 2.044 -4.850
y 2.044 -19.904 1.810
z -4.850 1.810 -19.265
Traceless
 xyz
x -0.702 2.044 -4.850
y 2.044 -0.128 1.810
z -4.850 1.810 0.830
Polar
3z2-r21.660
x2-y2-0.383
xy2.044
xz-4.850
yz1.810


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.301 0.164 -0.069
y 0.164 4.550 0.087
z -0.069 0.087 4.206


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