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

using model chemistry: B3LYP/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.246478
Energy at 298.15K-192.251914
Counterpoise corrected energy-192.245985
CP Energy at 298.15K-192.251360
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.914353
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/6-311+G(3df,2pd)
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 3896 3756 84.86      
2 A 3849 3711 45.48      
3 A 3676 3544 422.48      
4 A 3127 3015 16.57      
5 A 3070 2960 37.46      
6 A 3014 2906 53.05      
7 A 1653 1594 47.67      
8 A 1510 1456 6.40      
9 A 1501 1447 4.35      
10 A 1482 1429 3.16      
11 A 1366 1317 27.05      
12 A 1176 1134 0.34      
13 A 1078 1039 12.52      
14 A 1036 999 123.72      
15 A 646 623 66.45      
16 A 383 370 56.79      
17 A 298 287 154.10      
18 A 177 170 2.98      
19 A 115 111 114.33      
20 A 65 63 14.33      
21 A 49 47 9.46      

Unscaled Zero Point Vibrational Energy (zpe) 16582.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 15988.6 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 B3LYP/6-311+G(3df,2pd)
ABC
1.05656 0.12953 0.11973

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.210 0.113 -0.026
O2 2.117 -0.204 0.108
O3 -0.636 0.630 -0.100
H4 2.600 0.069 -0.675
H5 -0.823 1.279 0.583
C6 -1.570 -0.445 0.004
H7 -2.593 -0.100 -0.159
H8 -1.313 -1.159 -0.775
H9 -1.504 -0.945 0.972

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97031.91861.53542.42162.83543.81092.92203.0785
O20.97032.88440.95983.32713.69664.71883.66783.7955
O31.91862.88443.33500.96061.42832.08932.02812.0937
H41.53540.95983.33503.84304.25675.22184.10234.5372
H52.42163.32710.96063.84301.96682.36342.83322.3581
C62.83543.69661.42834.25671.96681.09201.08681.0919
H73.81094.71882.08935.22182.36341.09201.77191.7837
H82.92203.66782.02814.10232.83321.08681.77191.7705
H93.07853.79552.09374.53722.35811.09191.78371.7705

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 105.409 H1 O3 H5 109.994
H1 O3 C6 115.028 O2 H1 O3 173.263
O3 C6 H7 111.299 O3 C6 H8 106.701
O3 C6 H9 111.660 H5 O3 C6 109.265
H7 C6 H8 108.836 H7 C6 H9 109.529
H8 C6 H9 108.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.337      
2 O -0.501      
3 O -0.561      
4 H 0.170      
5 H 0.189      
6 C 0.201      
7 H 0.051      
8 H 0.055      
9 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.652 0.869 -0.323 2.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.137 1.776 -5.009
y 1.776 -19.396 1.747
z -5.009 1.747 -19.320
Traceless
 xyz
x -0.779 1.776 -5.009
y 1.776 0.333 1.747
z -5.009 1.747 0.447
Polar
3z2-r20.894
x2-y2-0.741
xy1.776
xz-5.009
yz1.747


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.981 0.159 -0.076
y 0.159 4.326 0.070
z -0.076 0.070 4.017


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