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

using model chemistry: B3LYPultrafine_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 B3LYPultrafine_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-192.250688
Energy at 298.15K-192.256094
Nuclear repulsion energy40.169459
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/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 3870 3754 84.69      
2 A 3824 3709 43.75      
3 A 3647 3537 420.55      
4 A 3124 3030 16.32      
5 A 3068 2976 37.49      
6 A 3014 2923 53.86      
7 A 1647 1598 46.53      
8 A 1509 1463 6.24      
9 A 1499 1454 4.15      
10 A 1479 1435 3.29      
11 A 1366 1325 26.12      
12 A 1173 1138 0.34      
13 A 1077 1045 12.87      
14 A 1033 1002 121.10      
15 A 627 608 59.07      
16 A 371 360 56.20      
17 A 292 283 147.05      
18 A 175 169 3.15      
19 A 116 112 108.29      
20 A 61 60 13.73      
21 A 48 46 8.75      

Unscaled Zero Point Vibrational Energy (zpe) 16509.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 16014.0 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 B3LYPultrafine_cp_opt/aug-cc-pVTZ
ABC
1.07205 0.12833 0.11887

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.217 0.109 -0.029
O2 2.126 -0.203 0.108
O3 -0.631 0.622 -0.098
H4 2.610 0.065 -0.677
H5 -0.827 1.289 0.565
C6 -1.583 -0.440 0.004
H7 -2.597 -0.084 -0.193
H8 -1.315 -1.173 -0.753
H9 -1.548 -0.919 0.984

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97121.91891.53712.43402.85373.82222.92913.1192
O20.97122.88540.96073.34063.71844.73413.67763.8443
O31.91892.88543.33900.96141.43032.09112.02952.0953
H41.53710.96073.33903.85464.27815.23154.11654.5845
H52.43403.34060.96143.85461.96902.36472.83522.3608
C62.85373.71841.43034.27811.96901.09211.08711.0921
H73.82224.73412.09115.23152.36471.09211.77261.7843
H82.92913.67762.02954.11652.83521.08711.77261.7712
H93.11923.84432.09534.58452.36081.09211.78431.7712

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 105.433 H1 O3 H5 110.931
H1 O3 C6 116.108 O2 H1 O3 173.039
O3 C6 H7 111.291 O3 C6 H8 106.662
O3 C6 H9 111.634 H5 O3 C6 109.261
H7 C6 H8 108.862 H7 C6 H9 109.550
H8 C6 H9 108.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.425      
4 H 0.000      
5 H 0.142      
6 C -0.460      
7 H 0.235      
8 H 0.270      
9 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.676 0.880 -0.331 2.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.153 1.638 -4.893
y 1.638 -19.341 1.677
z -4.893 1.677 -19.409
Traceless
 xyz
x -0.778 1.638 -4.893
y 1.638 0.440 1.677
z -4.893 1.677 0.338
Polar
3z2-r20.676
x2-y2-0.812
xy1.638
xz-4.893
yz1.677


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.195 0.244 -0.005
y 0.244 3.380 0.054
z -0.005 0.054 3.041


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