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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-191.154677
Energy at 298.15K-191.159976
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.477223
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 HF/6-311+G(3df,2p)
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 4230 3843 139.16      
2 A 4196 3813 71.22      
3 A 4091 3717 235.71      
4 A 3260 2962 31.23      
5 A 3206 2913 58.02      
6 A 3155 2867 62.29      
7 A 1771 1609 74.17      
8 A 1631 1481 5.40      
9 A 1622 1474 3.63      
10 A 1612 1464 6.12      
11 A 1481 1346 41.60      
12 A 1283 1166 2.32      
13 A 1162 1056 144.43      
14 A 1158 1052 17.35      
15 A 575 522 106.24      
16 A 347 315 103.19      
17 A 283 257 115.10      
18 A 148 134 2.00      
19 A 109 99 124.52      
20 A 51 46 13.89      
21 A 41 38 10.47      

Unscaled Zero Point Vibrational Energy (zpe) 17705.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 16087.3 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 HF/6-311+G(3df,2p)
ABC
1.14387 0.11889 0.11121

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.322 0.093 0.031
O2 2.222 -0.183 0.105
O3 -0.671 0.589 -0.081
H4 2.634 0.038 -0.709
H5 -0.934 1.331 0.429
C6 -1.633 -0.429 0.003
H7 -2.586 -0.107 -0.402
H8 -1.271 -1.262 -0.581
H9 -1.774 -0.760 1.026

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.94462.05701.50792.60393.00083.93682.98913.3622
O20.94463.00060.93903.51553.86454.83553.72024.1418
O32.05703.00063.40970.93871.40282.06232.00832.0644
H41.50790.93903.40973.96244.35175.23134.11834.8047
H52.60393.51550.93873.96241.94182.34352.80352.3321
C63.00083.86451.40284.35171.94181.08441.07951.0843
H73.93684.83552.06235.23132.34351.08441.75841.7678
H82.98913.72022.00834.11832.80351.07951.75841.7572
H93.36224.14182.06444.80472.33211.08431.76781.7572

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 106.357 H1 O3 H5 115.585
H1 O3 C6 119.088 O2 H1 O3 176.641
O3 C6 H7 111.381 O3 C6 H8 107.295
O3 C6 H9 111.564 H5 O3 C6 110.490
H7 C6 H8 108.704 H7 C6 H9 109.203
H8 C6 H9 108.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.410      
2 O -0.609      
3 O -0.684      
4 H 0.211      
5 H 0.196      
6 C 0.142      
7 H 0.107      
8 H 0.115      
9 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.862 0.971 -0.595 3.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.951 1.153 -5.268
y 1.153 -18.366 1.471
z -5.268 1.471 -19.066
Traceless
 xyz
x -1.235 1.153 -5.268
y 1.153 1.143 1.471
z -5.268 1.471 0.092
Polar
3z2-r20.184
x2-y2-1.585
xy1.153
xz-5.268
yz1.471


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.267 0.128 -0.081
y 0.128 3.849 0.045
z -0.081 0.045 3.621


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