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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-192.241559
Energy at 298.15K-192.247039
HF Energy-192.241559
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy79.284331
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/TZVP
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 3867 3733 64.94      
2 A 3823 3690 38.01      
3 A 3650 3523 371.91      
4 A 3134 3026 18.34      
5 A 3071 2965 46.84      
6 A 3015 2911 53.19      
7 A 1629 1573 49.35      
8 A 1508 1455 4.44      
9 A 1496 1445 4.27      
10 A 1487 1436 5.31      
11 A 1362 1315 24.70      
12 A 1174 1134 0.16      
13 A 1077 1040 22.34      
14 A 1031 996 121.22      
15 A 655 632 117.25      
16 A 389 376 86.64      
17 A 290 280 148.04      
18 A 196 189 2.92      
19 A 122 118 135.36      
20 A 58 56 19.31      
21 A 55 53 8.33      

Unscaled Zero Point Vibrational Energy (zpe) 16544.1 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 15971.7 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/TZVP
ABC
0.97912 0.13579 0.12388

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.215 0.195 0.026
O2 2.101 -0.186 0.109
O3 -0.709 0.687 -0.100
H4 2.554 0.032 -0.710
H5 -0.996 1.320 0.565
C6 -1.480 -0.508 0.003
H7 -2.541 -0.328 -0.199
H8 -1.101 -1.198 -0.749
H9 -1.381 -0.983 0.984

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96821.98941.53702.53802.78553.79902.81123.0073
O20.96822.94950.96093.47353.59704.65443.46513.6773
O31.98942.94953.38330.96171.42632.09712.03172.1019
H41.53700.96093.38333.98574.13245.13363.85664.4028
H52.53803.47350.96173.98571.97222.38422.84152.3720
C62.78553.59701.42634.13241.97221.09501.08851.0948
H73.79904.65442.09715.13362.38421.09501.77051.7824
H82.81123.46512.03173.85662.84151.08851.77051.7681
H93.00733.67732.10194.40282.37201.09481.78241.7681

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 105.642 H1 O3 H5 114.042
H1 O3 C6 108.141 O2 H1 O3 170.977
O3 C6 H7 111.891 O3 C6 H8 107.016
O3 C6 H9 112.298 H5 O3 C6 109.829
H7 C6 H8 108.360 H7 C6 H9 108.969
H8 C6 H9 108.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.280      
2 O -0.563      
3 O -0.457      
4 H 0.258      
5 H 0.286      
6 C -0.174      
7 H 0.113      
8 H 0.135      
9 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.945 0.922 -0.501 3.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.198 1.451 -5.488
y 1.451 -18.832 1.863
z -5.488 1.863 -19.236
Traceless
 xyz
x -1.164 1.451 -5.488
y 1.451 0.884 1.863
z -5.488 1.863 0.279
Polar
3z2-r20.559
x2-y2-1.365
xy1.451
xz-5.488
yz1.863


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.313 0.015 -0.190
y 0.015 3.534 0.062
z -0.190 0.062 3.457


<r2> (average value of r2) Å2
<r2> 94.027
(<r2>)1/2 9.697