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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-192.135330
Energy at 298.15K-192.141104
Counterpoise corrected energy-192.131891
CP Energy at 298.15K-192.137368
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy80.920922
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 B3LYPultrafine/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 3809 3649 50.63      
2 A 3744 3587 25.16      
3 A 3616 3465 240.52      
4 A 3147 3015 27.74      
5 A 3100 2969 39.71      
6 A 3035 2907 49.10      
7 A 1744 1671 58.19      
8 A 1538 1474 3.69      
9 A 1527 1463 3.11      
10 A 1501 1438 3.64      
11 A 1394 1336 31.45      
12 A 1185 1135 0.64      
13 A 1090 1044 10.90      
14 A 1049 1005 115.51      
15 A 651 624 165.10      
16 A 524 502 16.94      
17 A 285 273 232.02      
18 A 200 192 8.92      
19 A 142 136 114.65      
20 A 105 101 16.01      
21 A 96 92 39.09      

Unscaled Zero Point Vibrational Energy (zpe) 16742.0 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 16038.8 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 B3LYPultrafine/6-31G*
ABC
0.81450 0.15892 0.13980

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.102 0.336 0.162
O2 -1.923 -0.112 -0.121
O3 0.769 0.752 0.141
H4 -2.324 -0.410 0.708
H5 0.736 1.167 -0.735
C6 1.280 -0.574 -0.027
H7 2.258 -0.571 -0.526
H8 1.406 -0.987 0.977
H9 0.579 -1.208 -0.584

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97731.91611.53302.20722.55693.54722.95002.4010
O20.97732.83870.96813.01363.23724.22503.61232.7699
O31.91612.83873.35230.97021.43142.10062.03162.0982
H41.53300.96813.35233.73303.68244.74833.78423.2766
H52.20723.01360.97023.73301.95672.31912.83152.3844
C62.55693.23721.43143.68241.95671.09771.09271.0967
H73.54724.22502.10064.74832.31911.09771.77701.7966
H82.95003.61232.03163.78422.83151.09271.77701.7802
H92.40102.76992.09823.27662.38441.09671.79661.7802

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 104.000 H1 O3 H5 93.998
H1 O3 C6 98.571 O2 H1 O3 156.405
O3 C6 H7 111.634 O3 C6 H8 106.425
O3 C6 H9 111.495 H5 O3 C6 107.565
H7 C6 H8 108.436 H7 C6 H9 109.909
H8 C6 H9 108.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.404      
2 O -0.827      
3 O -0.609      
4 H 0.377      
5 H 0.408      
6 C -0.228      
7 H 0.144      
8 H 0.166      
9 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.781 -0.382 0.300 1.846
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.959 -0.272 -5.294
y -0.272 -18.868 -2.787
z -5.294 -2.787 -17.864
Traceless
 xyz
x -2.593 -0.272 -5.294
y -0.272 0.544 -2.787
z -5.294 -2.787 2.049
Polar
3z2-r24.098
x2-y2-2.092
xy-0.272
xz-5.294
yz-2.787


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.669 0.048 -0.214
y 0.048 2.943 -0.254
z -0.214 -0.254 3.084


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