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

using model chemistry: B3LYPultrafine_cp_opt/6-31+G**

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_cp_opt/6-31+G**
 hartrees
Energy at 0K-192.177703
Energy at 298.15K-192.183125
Nuclear repulsion energy40.063337
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_cp_opt/6-31+G**
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 92.39      
2 A 3836 3698 42.20      
3 A 3670 3538 403.19      
4 A 3149 3035 18.83      
5 A 3087 2975 45.08      
6 A 3024 2915 59.04      
7 A 1630 1571 64.70      
8 A 1512 1457 5.93      
9 A 1502 1448 4.02      
10 A 1485 1432 6.87      
11 A 1357 1308 26.08      
12 A 1175 1133 0.19      
13 A 1073 1034 19.32      
14 A 1043 1006 131.43      
15 A 634 611 96.18      
16 A 386 372 81.81      
17 A 295 285 195.25      
18 A 174 167 2.36      
19 A 128 123 149.26      
20 A 59 57 25.63      
21 A 45 43 10.61      

Unscaled Zero Point Vibrational Energy (zpe) 16579.0 cm-1
Scaled (by 0.964) Zero Point Vibrational Energy (zpe) 15982.2 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_cp_opt/6-31+G**
ABC
1.06009 0.12782 0.11834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.217 0.106 -0.038
O2 2.130 -0.202 0.109
O3 -0.638 0.628 -0.101
H4 2.628 0.057 -0.675
H5 -0.821 1.285 0.581
C6 -1.584 -0.443 0.005
H7 -2.608 -0.088 -0.159
H8 -1.329 -1.159 -0.778
H9 -1.519 -0.946 0.977

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97431.92811.54842.43472.85453.83222.93843.1024
O20.97432.89700.96403.33793.72254.74683.69693.8237
O31.92812.89703.36430.96561.43242.09692.03202.1012
H41.54840.96403.36433.87034.29495.26314.14084.5749
H52.43473.33790.96563.87031.97562.37262.84342.3714
C62.85453.72251.43244.29491.97561.09671.09121.0966
H73.83224.74682.09695.26312.37261.09671.77971.7924
H82.93843.69692.03204.14082.84341.09121.77971.7785
H93.10243.82372.10124.57492.37141.09661.79241.7785

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 106.034 H1 O3 H5 110.068
H1 O3 C6 115.511 O2 H1 O3 172.601
O3 C6 H7 111.324 O3 C6 H8 106.479
O3 C6 H9 111.680 H5 O3 C6 109.392
H7 C6 H8 108.870 H7 C6 H9 109.613
H8 C6 H9 108.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.533      
4 H 0.000      
5 H 0.340      
6 C -0.215      
7 H 0.128      
8 H 0.151      
9 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.827 0.932 -0.447 3.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.132 2.053 -5.657
y 2.053 -19.474 1.916
z -5.657 1.916 -19.469
Traceless
 xyz
x -0.660 2.053 -5.657
y 2.053 0.326 1.916
z -5.657 1.916 0.334
Polar
3z2-r20.667
x2-y2-0.658
xy2.053
xz-5.657
yz1.916


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.678 0.180 0.001
y 0.180 2.854 0.049
z 0.001 0.049 2.582


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