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

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-192.153566
Energy at 298.15K-192.159263
HF Energy-192.153566
Nuclear repulsion energy81.460185
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 wB97X-D/6-311G**
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 3962 3790 51.02      
2 A 3917 3746 43.29      
3 A 3778 3614 231.37      
4 A 3144 3007 27.91      
5 A 3101 2967 42.12      
6 A 3030 2898 46.71      
7 A 1675 1602 47.59      
8 A 1515 1449 6.64      
9 A 1504 1438 6.93      
10 A 1497 1432 2.95      
11 A 1381 1321 29.36      
12 A 1186 1135 0.20      
13 A 1100 1052 2.96      
14 A 1074 1027 122.08      
15 A 655 626 179.11      
16 A 475 455 37.80      
17 A 271 259 200.51      
18 A 213 204 3.32      
19 A 136 130 99.17      
20 A 101 97 21.61      
21 A 66 63 47.72      

Unscaled Zero Point Vibrational Energy (zpe) 16890.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 16156.0 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 wB97X-D/6-311G**
ABC
0.80054 0.16299 0.14225

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.107 0.333 0.164
O2 -1.920 -0.106 -0.119
O3 0.771 0.749 0.141
H4 -2.301 -0.430 0.696
H5 0.744 1.164 -0.723
C6 1.274 -0.575 -0.028
H7 2.252 -0.572 -0.519
H8 1.387 -0.996 0.970
H9 0.572 -1.193 -0.596

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96651.92371.51402.21442.55493.54512.93842.3923
O20.96652.83570.95663.01253.22904.21693.59352.7597
O31.92372.83573.33750.95881.42602.09132.02762.0868
H41.51400.95663.33753.71893.65074.71503.74163.2412
H52.21443.01250.95883.71891.94542.30822.81852.3666
C62.55493.22901.42603.65071.94541.09451.08971.0942
H73.54514.21692.09134.71502.30821.09451.77351.7934
H82.93843.59352.02763.74162.81851.08971.77351.7764
H92.39232.75972.08683.24122.36661.09421.79341.7764

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 103.864 H1 O3 H5 94.409
H1 O3 C6 98.316 O2 H1 O3 156.356
O3 C6 H7 111.465 O3 C6 H8 106.647
O3 C6 H9 111.114 H5 O3 C6 107.713
H7 C6 H8 108.579 H7 C6 H9 110.051
H8 C6 H9 108.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.249      
2 O -0.507      
3 O -0.435      
4 H 0.237      
5 H 0.265      
6 C -0.165      
7 H 0.111      
8 H 0.121      
9 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.150 -0.525 0.241 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.664 0.608 -5.326
y 0.608 -18.314 -3.014
z -5.326 -3.014 -18.158
Traceless
 xyz
x -3.428 0.608 -5.326
y 0.608 1.597 -3.014
z -5.326 -3.014 1.831
Polar
3z2-r23.662
x2-y2-3.350
xy0.608
xz-5.326
yz-3.014


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.796 0.029 -0.198
y 0.029 3.349 -0.238
z -0.198 -0.238 3.248


<r2> (average value of r2) Å2
<r2> 83.286
(<r2>)1/2 9.126