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

using model chemistry: B3LYP_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 B3LYP_cp_opt/6-31+G**
 hartrees
Energy at 0K-192.177701
Energy at 298.15K-192.183109
Nuclear repulsion energy40.062846
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/6-31+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 3757 92.99      
2 A 3836 3699 42.18      
3 A 3671 3540 402.52      
4 A 3149 3037 18.82      
5 A 3087 2977 45.05      
6 A 3025 2917 59.02      
7 A 1629 1571 64.68      
8 A 1512 1457 5.96      
9 A 1502 1448 4.03      
10 A 1486 1432 6.82      
11 A 1355 1307 25.66      
12 A 1175 1133 0.18      
13 A 1072 1034 17.40      
14 A 1043 1005 133.82      
15 A 634 612 95.90      
16 A 386 372 82.03      
17 A 294 284 194.60      
18 A 173 167 2.31      
19 A 123 119 148.57      
20 A 59 57 26.81      
21 A 42 41 10.92      

Unscaled Zero Point Vibrational Energy (zpe) 16575.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 15981.8 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 B3LYP_cp_opt/6-31+G**
ABC
1.05885 0.12789 0.11839

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.217 0.107 -0.038
O2 2.129 -0.202 0.109
O3 -0.638 0.628 -0.101
H4 2.627 0.057 -0.674
H5 -0.821 1.285 0.582
C6 -1.583 -0.444 0.005
H7 -2.608 -0.090 -0.158
H8 -1.328 -1.159 -0.779
H9 -1.517 -0.947 0.977

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97431.92811.54842.43462.85363.83172.93773.1005
O20.97432.89690.96403.33793.72124.74583.69573.8210
O31.92812.89693.36460.96571.43252.09692.03212.1012
H41.54840.96403.36463.87074.29395.26284.13974.5726
H52.43463.33790.96573.87071.97562.37262.84342.3714
C62.85363.72121.43254.29391.97561.09661.09121.0966
H73.83174.74582.09695.26282.37261.09661.77971.7924
H82.93773.69572.03214.13972.84341.09121.77971.7785
H93.10053.82102.10124.57262.37141.09661.79241.7785

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 106.037 H1 O3 H5 110.060
H1 O3 C6 115.451 O2 H1 O3 172.574
O3 C6 H7 111.323 O3 C6 H8 106.478
O3 C6 H9 111.677 H5 O3 C6 109.390
H7 C6 H8 108.869 H7 C6 H9 109.619
H8 C6 H9 108.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.527      
4 H 0.000      
5 H 0.339      
6 C -0.218      
7 H 0.127      
8 H 0.150      
9 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.825 0.931 -0.446 3.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.495 -0.194 -0.934
y -0.194 -11.740 2.128
z -0.934 2.128 -13.048
Traceless
 xyz
x 0.899 -0.194 -0.934
y -0.194 0.532 2.128
z -0.934 2.128 -1.431
Polar
3z2-r2-2.862
x2-y20.245
xy-0.194
xz-0.934
yz2.128


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.687 0.184 0.000
y 0.184 2.846 0.048
z 0.000 0.048 2.581


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