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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-192.126896
Energy at 298.15K-192.132661
Nuclear repulsion energy81.023434
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 B1B95/6-311G**
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 3924 3768 54.10      
2 A 3894 3739 36.54      
3 A 3776 3625 170.09      
4 A 3152 3026 11.31      
5 A 3079 2956 58.27      
6 A 3017 2897 58.80      
7 A 1662 1596 58.48      
8 A 1509 1449 2.59      
9 A 1500 1440 2.83      
10 A 1487 1428 2.61      
11 A 1366 1312 24.37      
12 A 1175 1128 0.67      
13 A 1085 1042 0.15      
14 A 1074 1032 138.42      
15 A 677 650 198.49      
16 A 334 320 127.99      
17 A 265 254 62.21      
18 A 214 205 109.06      
19 A 195 187 9.57      
20 A 151 145 5.70      
21 A 82 78 31.67      

Unscaled Zero Point Vibrational Energy (zpe) 16808.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 16137.6 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 B1B95/6-311G**
ABC
0.83075 0.15721 0.13770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.165 0.401 0.195
O2 1.959 -0.139 0.102
O3 -0.742 0.726 -0.058
H4 2.199 -0.021 -0.819
H5 -1.407 1.337 0.261
C6 -1.261 -0.593 -0.002
H7 -2.046 -0.755 -0.748
H8 -0.423 -1.254 -0.213
H9 -1.652 -0.841 0.990

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96531.95131.50822.73772.62983.54062.33013.1799
O20.96532.84130.95823.67913.25414.14012.64903.7845
O31.95132.84133.12840.95761.41892.09022.01162.0934
H41.50820.95823.12844.00163.60094.30792.95994.3326
H52.73773.67910.95764.00161.95352.40922.81172.3095
C62.62983.25411.41893.60091.95351.09471.08801.0944
H73.54064.14012.09024.30792.40921.09471.77981.7842
H82.33012.64902.01162.95992.81171.08801.77981.7683
H93.17993.78452.09344.33262.30951.09441.78421.7683

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 103.276 H1 O3 H5 137.835
H1 O3 C6 101.402 O2 H1 O3 152.230
O3 C6 H7 111.874 O3 C6 H8 105.973
O3 C6 H9 112.156 H5 O3 C6 109.017
H7 C6 H8 109.265 H7 C6 H9 109.191
H8 C6 H9 108.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262      
2 O -0.504      
3 O -0.434      
4 H 0.235      
5 H 0.258      
6 C -0.167      
7 H 0.110      
8 H 0.129      
9 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.944 0.780 -0.827 3.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.645 -0.002 -4.605
y -0.002 -18.174 1.114
z -4.605 1.114 -18.752
Traceless
 xyz
x -1.182 -0.002 -4.605
y -0.002 1.024 1.114
z -4.605 1.114 0.158
Polar
3z2-r20.316
x2-y2-1.471
xy-0.002
xz-4.605
yz1.114


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.959 -0.015 -0.183
y -0.015 3.399 0.090
z -0.183 0.090 3.186


<r2> (average value of r2) Å2
<r2> 85.461
(<r2>)1/2 9.245