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

using model chemistry: MP2_cp/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 MP2_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-191.865794
Energy at 298.15K-191.858000
Nuclear repulsion energy 
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 MP2/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 3909 3725 107.94      
2 A 3850 3668 51.34      
3 A 3671 3498 382.02      
4 A 3197 3047 11.23      
5 A 3150 3002 27.15      
6 A 3069 2925 42.33      
7 A 1651 1573 43.48      
8 A 1534 1461 6.39      
9 A 1524 1453 4.32      
10 A 1493 1423 2.85      
11 A 1370 1306 22.51      
12 A 1187 1131 0.40      
13 A 1085 1034 5.49      
14 A 1050 1001 118.77      
15 A 649 618 84.37      
16 A 376 358 42.50      
17 A 309 295 150.95      
18 A 191 182 4.81      
19 A 126 120 108.57      
20 A 57 54 5.92      
21 A 45 43 21.83      

Unscaled Zero Point Vibrational Energy (zpe) 16747.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 15958.3 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 MP2/aug-cc-pVTZ
ABC
0.89145 0.14725 0.13133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.135 0.238 -0.027
O2 1.988 -0.209 0.096
O3 -0.691 0.712 -0.096
H4 2.563 0.181 -0.568
H5 -0.988 1.283 0.619
C6 -1.399 -0.528 -0.004
H7 -2.470 -0.381 -0.137
H8 -1.022 -1.155 -0.806
H9 -1.210 -1.025 0.948

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97101.88751.52832.45352.64693.65932.68342.8360
O20.97102.83940.96053.37073.40344.46763.28213.4088
O31.88752.83943.33070.96211.43152.08892.02532.0923
H41.52830.96053.33073.90374.06425.08283.83404.2412
H52.45353.37070.96213.90371.95882.35272.82422.3418
C62.64693.40341.43154.06421.95881.08961.08521.0898
H73.65934.46762.08895.08282.35271.08961.77251.7831
H82.68343.28212.02533.83402.82421.08521.77251.7682
H92.83603.40882.09234.24122.34181.08981.78311.7682

picture of water methanol dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.321      
2 O -0.522      
3 O -0.477      
4 H 0.192      
5 H 0.162      
6 C -0.691      
7 H 0.333      
8 H 0.344      
9 H 0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.354 0.940 -0.059 2.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


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