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

using model chemistry: PBEPBE_cp_opt/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 PBEPBE_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-192.019514
Energy at 298.15K-192.024959
Nuclear repulsion energy39.923739
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 PBEPBE_cp_opt/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 3769 3731 66.27      
2 A 3716 3679 35.74      
3 A 3495 3460 485.27      
4 A 3062 3031 14.27      
5 A 3002 2972 35.09      
6 A 2944 2914 55.02      
7 A 1610 1594 37.59      
8 A 1455 1441 6.71      
9 A 1444 1429 4.31      
10 A 1422 1408 2.61      
11 A 1327 1314 22.03      
12 A 1132 1120 0.04      
13 A 1046 1036 2.98      
14 A 1003 993 120.36      
15 A 647 640 47.41      
16 A 387 383 38.74      
17 A 296 293 160.22      
18 A 182 180 3.88      
19 A 119 118 100.32      
20 A 66 65 12.43      
21 A 52 51 10.38      

Unscaled Zero Point Vibrational Energy (zpe) 16087.5 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 15926.6 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 PBEPBE_cp_opt/aug-cc-pVTZ
ABC
0.99626 0.13422 0.12302

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.171 0.135 -0.051
O2 2.077 -0.212 0.107
O3 -0.642 0.661 -0.105
H4 2.592 0.096 -0.654
H5 -0.797 1.246 0.654
C6 -1.531 -0.463 0.002
H7 -2.585 -0.146 -0.037
H8 -1.323 -1.107 -0.859
H9 -1.353 -1.039 0.923

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98251.88851.54412.36752.76793.76662.90172.9495
O20.98252.86320.96913.26883.61824.66463.64663.6220
O31.88852.86323.32800.97041.43722.10542.03992.1107
H41.54410.96913.32803.81024.21205.21904.10124.3981
H52.36753.26880.97043.81021.97032.36882.84662.3671
C62.76793.61821.43724.21201.97031.10121.09581.1013
H73.76664.66462.10545.21902.36881.10121.78631.7994
H82.90173.64662.03994.10122.84661.09581.78631.7845
H92.94953.62202.11074.39812.36711.10131.79941.7845

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 104.595 H1 O3 H5 107.417
H1 O3 C6 111.956 O2 H1 O3 171.098
O3 C6 H7 111.394 O3 C6 H8 106.507
O3 C6 H9 111.828 H5 O3 C6 108.285
H7 C6 H8 108.795 H7 C6 H9 109.567
H8 C6 H9 108.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.395      
4 H 0.000      
5 H 0.153      
6 C -0.425      
7 H 0.213      
8 H 0.251      
9 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.459 0.817 -0.171 2.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.236 1.977 -4.704
y 1.977 -19.873 1.741
z -4.704 1.741 -19.392
Traceless
 xyz
x -0.603 1.977 -4.704
y 1.977 -0.059 1.741
z -4.704 1.741 0.662
Polar
3z2-r21.324
x2-y2-0.363
xy1.977
xz-4.704
yz1.741


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.234 -0.165 0.006
y -0.165 3.699 -0.034
z 0.006 -0.034 3.248


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