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

using model chemistry: B3LYP_cp_opt/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_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-192.250688
Energy at 298.15K-192.256096
Nuclear repulsion energy40.169628
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/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 3753 85.26      
2 A 3824 3709 43.84      
3 A 3648 3539 420.53      
4 A 3125 3031 16.40      
5 A 3069 2977 37.46      
6 A 3014 2924 53.91      
7 A 1648 1598 46.59      
8 A 1509 1464 6.26      
9 A 1499 1454 4.14      
10 A 1479 1435 3.30      
11 A 1366 1325 25.89      
12 A 1174 1138 0.35      
13 A 1077 1045 12.34      
14 A 1033 1002 121.89      
15 A 629 611 57.93      
16 A 372 361 56.97      
17 A 294 285 147.44      
18 A 174 169 3.16      
19 A 113 109 108.12      
20 A 65 63 14.07      
21 A 46 45 8.00      

Unscaled Zero Point Vibrational Energy (zpe) 16512.4 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 16017.0 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/aug-cc-pVTZ
ABC
1.08102 0.12783 0.11855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.218 0.100 -0.031
O2 2.130 -0.203 0.108
O3 -0.629 0.619 -0.098
H4 2.613 0.069 -0.676
H5 -0.820 1.287 0.566
C6 -1.589 -0.436 0.004
H7 -2.600 -0.072 -0.191
H8 -1.328 -1.170 -0.754
H9 -1.556 -0.917 0.984

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97121.91921.53702.43212.85823.82552.93583.1245
O20.97122.88580.96073.33593.72774.74143.69253.8552
O31.91922.88583.33820.96141.43032.09122.02952.0953
H41.53700.96073.33823.84804.28665.23764.13184.5946
H52.43213.33590.96143.84801.96902.36452.83522.3610
C62.85823.72771.43034.28661.96901.09221.08711.0921
H73.82554.74142.09125.23762.36451.09221.77251.7843
H82.93583.69252.02954.13182.83521.08711.77251.7713
H93.12453.85522.09534.59462.36101.09211.78431.7713

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 105.416 H1 O3 H5 110.757
H1 O3 C6 116.394 O2 H1 O3 173.152
O3 C6 H7 111.295 O3 C6 H8 106.662
O3 C6 H9 111.634 H5 O3 C6 109.259
H7 C6 H8 108.854 H7 C6 H9 109.550
H8 C6 H9 108.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.436      
4 H 0.000      
5 H 0.156      
6 C -0.454      
7 H 0.239      
8 H 0.266      
9 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.682 0.884 -0.331 2.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.755 -0.282 -0.799
y -0.282 -11.809 1.904
z -0.799 1.904 -13.050
Traceless
 xyz
x 0.675 -0.282 -0.799
y -0.282 0.593 1.904
z -0.799 1.904 -1.268
Polar
3z2-r2-2.535
x2-y20.055
xy-0.282
xz-0.799
yz1.904


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.199 0.246 -0.005
y 0.246 3.376 0.054
z -0.005 0.054 3.041


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