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

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-192.250799
Energy at 298.15K-192.256220
Counterpoise corrected energy-192.250688
CP Energy at 298.15K-192.256096
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.837918
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/aug-cc-pVTZ
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 3869 3743 84.23      
2 A 3824 3700 43.71      
3 A 3646 3527 425.45      
4 A 3125 3023 16.25      
5 A 3069 2969 37.47      
6 A 3014 2916 53.76      
7 A 1648 1594 46.63      
8 A 1509 1460 6.22      
9 A 1499 1450 4.17      
10 A 1479 1431 3.32      
11 A 1366 1321 25.94      
12 A 1174 1135 0.34      
13 A 1077 1042 12.54      
14 A 1032 999 121.71      
15 A 633 612 59.42      
16 A 374 362 55.80      
17 A 296 286 147.54      
18 A 175 170 3.33      
19 A 115 111 108.25      
20 A 65 63 13.53      
21 A 47 45 8.81      

Unscaled Zero Point Vibrational Energy (zpe) 16516.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 15979.9 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/aug-cc-pVTZ
ABC
1.06552 0.12899 0.11935

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.213 0.114 -0.028
O2 2.121 -0.204 0.108
O3 -0.631 0.625 -0.098
H4 2.606 0.067 -0.675
H5 -0.833 1.292 0.565
C6 -1.578 -0.442 0.003
H7 -2.593 -0.093 -0.196
H8 -1.303 -1.175 -0.751
H9 -1.542 -0.920 0.985

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97121.91501.53722.43362.84573.81512.91843.1120
O20.97122.88130.96073.34183.70744.72453.66133.8336
O31.91502.88133.33550.96131.43032.09112.02952.0953
H41.53720.96073.33553.85544.26915.22354.10284.5759
H52.43363.34180.96133.85541.96902.36502.83512.3604
C62.84573.70741.43034.26911.96901.09211.08701.0921
H73.81514.72452.09115.22352.36501.09211.77271.7843
H82.91843.66132.02954.10282.83511.08701.77271.7712
H93.11203.83362.09534.57592.36041.09211.78431.7712

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 105.438 H1 O3 H5 111.197
H1 O3 C6 115.813 O2 H1 O3 172.965
O3 C6 H7 111.287 O3 C6 H8 106.655
O3 C6 H9 111.631 H5 O3 C6 109.259
H7 C6 H8 108.869 H7 C6 H9 109.556
H8 C6 H9 108.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.287      
2 O -0.426      
3 O -0.409      
4 H 0.146      
5 H 0.123      
6 C -0.501      
7 H 0.244      
8 H 0.283      
9 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.675 0.887 -0.327 2.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.131 1.644 -4.884
y 1.644 -19.334 1.674
z -4.884 1.674 -19.417
Traceless
 xyz
x -0.756 1.644 -4.884
y 1.644 0.440 1.674
z -4.884 1.674 0.315
Polar
3z2-r20.631
x2-y2-0.797
xy1.644
xz-4.884
yz1.674


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.218 0.178 -0.080
y 0.178 4.580 0.058
z -0.080 0.058 4.297


<r2> (average value of r2) Å2
<r2> 97.222
(<r2>)1/2 9.860