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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-191.160577
Energy at 298.15K-191.165824
Counterpoise corrected energy-191.160461
CP Energy at 298.15K-191.165698
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.335106
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/aug-cc-pVTZ
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 4199 3823 136.56      
2 A 4168 3795 69.55      
3 A 4060 3696 230.27      
4 A 3259 2967 30.97      
5 A 3206 2919 58.26      
6 A 3155 2873 62.73      
7 A 1766 1607 73.89      
8 A 1629 1483 5.14      
9 A 1621 1476 3.36      
10 A 1609 1465 6.32      
11 A 1480 1348 40.32      
12 A 1280 1166 2.36      
13 A 1160 1056 79.41      
14 A 1156 1053 80.95      
15 A 552 502 102.74      
16 A 338 308 108.31      
17 A 275 251 103.05      
18 A 141 128 2.73      
19 A 107 97 119.82      
20 A 51 46 17.33      
21 A 39 35 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 17625.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 16046.0 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/aug-cc-pVTZ
ABC
1.15039 0.11800 0.11042

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.331 0.099 0.029
O2 2.231 -0.182 0.105
O3 -0.670 0.584 -0.072
H4 2.645 0.034 -0.712
H5 -0.966 1.354 0.379
C6 -1.640 -0.429 0.001
H7 -2.564 -0.129 -0.481
H8 -1.244 -1.290 -0.516
H9 -1.848 -0.708 1.028

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.94562.06231.50942.64113.01833.93502.97613.4289
O20.94563.00630.94023.55753.88074.83083.69974.2155
O32.06233.00633.42090.93971.40452.06392.00942.0656
H41.50940.94023.42093.99614.36845.21614.11234.8747
H52.64113.55750.93973.99611.94342.34292.80482.3347
C63.01833.88071.40454.36841.94341.08431.07941.0842
H73.93504.83082.06395.21612.34291.08431.75841.7678
H82.97613.69972.00944.11232.80481.07941.75841.7572
H93.42894.21552.06564.87472.33471.08421.76781.7572

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 106.337 H1 O3 H5 118.324
H1 O3 C6 119.857 O2 H1 O3 175.911
O3 C6 H7 111.393 O3 C6 H8 107.263
O3 C6 H9 111.542 H5 O3 C6 110.418
H7 C6 H8 108.721 H7 C6 H9 109.214
H8 C6 H9 108.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.326      
2 O -0.478      
3 O -0.470      
4 H 0.177      
5 H 0.145      
6 C -0.693      
7 H 0.316      
8 H 0.353      
9 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.903 1.015 -0.691 3.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.868 0.975 -5.150
y 0.975 -18.199 1.302
z -5.150 1.302 -19.186
Traceless
 xyz
x -1.175 0.975 -5.150
y 0.975 1.327 1.302
z -5.150 1.302 -0.152
Polar
3z2-r2-0.305
x2-y2-1.668
xy0.975
xz-5.150
yz1.302


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.428 0.133 -0.080
y 0.133 4.020 0.032
z -0.080 0.032 3.797


<r2> (average value of r2) Å2
<r2> 103.178
(<r2>)1/2 10.158