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

using model chemistry: B3LYP_cp_opt/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP_cp_opt/6-31G*
 hartrees
Energy at 0K-192.131888
Energy at 298.15K-192.137346
Nuclear repulsion energy40.124314
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 B3LYP_cp_opt/6-31G*
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 3811 3660 54.94      
2 A 3757 3607 21.77      
3 A 3628 3484 290.01      
4 A 3147 3022 26.56      
5 A 3075 2953 62.46      
6 A 3022 2902 54.41      
7 A 1745 1676 66.47      
8 A 1539 1478 4.03      
9 A 1525 1464 2.94      
10 A 1509 1449 7.50      
11 A 1397 1342 31.45      
12 A 1184 1137 0.55      
13 A 1092 1049 5.94      
14 A 1062 1020 133.48      
15 A 640 614 97.52      
16 A 415 399 86.60      
17 A 307 295 168.01      
18 A 186 179 1.49      
19 A 108 104 118.29      
20 A 64 62 25.53      
21 A 44 42 8.04      

Unscaled Zero Point Vibrational Energy (zpe) 16628.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 15968.1 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 B3LYP_cp_opt/6-31G*
ABC
1.04035 0.12823 0.11863

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP_cp_opt/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.208 0.085 -0.027
O2 2.132 -0.202 0.110
O3 -0.651 0.640 -0.106
H4 2.580 0.082 -0.700
H5 -0.806 1.238 0.642
C6 -1.569 -0.446 0.003
H7 -2.613 -0.107 -0.051
H8 -1.375 -1.106 -0.846
H9 -1.426 -1.021 0.929

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97681.94211.52802.41542.82793.82592.95993.0133
O20.97682.91560.96793.31493.71054.74833.74533.7423
O31.94212.91563.33260.96931.42632.09972.02962.1050
H41.52800.96793.33263.82174.24125.23664.13184.4634
H52.41543.31490.96933.82171.95572.35602.83312.3598
C62.82793.71051.42634.24121.95571.09881.09251.0989
H73.82594.74832.09975.23662.35601.09881.77811.7896
H82.95993.74532.02964.13182.83311.09251.77811.7777
H93.01333.74232.10504.46342.35981.09891.78961.7777

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 103.578 H1 O3 H5 107.355
H1 O3 C6 113.289 O2 H1 O3 174.239
O3 C6 H7 111.860 O3 C6 H8 106.615
O3 C6 H9 112.287 H5 O3 C6 107.920
H7 C6 H8 108.469 H7 C6 H9 109.033
H8 C6 H9 108.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.611      
4 H 0.000      
5 H 0.389      
6 C -0.205      
7 H 0.132      
8 H 0.163      
9 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.783 0.904 -0.311 2.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.455 -0.046 -0.916
y -0.046 -11.628 2.035
z -0.916 2.035 -12.443
Traceless
 xyz
x 0.580 -0.046 -0.916
y -0.046 0.321 2.035
z -0.916 2.035 -0.901
Polar
3z2-r2-1.802
x2-y20.173
xy-0.046
xz-0.916
yz2.035


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.212 0.160 -0.029
y 0.160 2.484 0.185
z -0.029 0.185 2.278


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