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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-192.184047
Energy at 298.15K-192.189733
HF Energy-192.184047
Nuclear repulsion energy79.946981
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/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 3952 3781 84.06      
2 A 3909 3740 46.72      
3 A 3723 3561 408.32      
4 A 3155 3018 16.31      
5 A 3100 2965 37.41      
6 A 3037 2905 50.56      
7 A 1658 1586 46.28      
8 A 1526 1460 7.15      
9 A 1517 1451 4.81      
10 A 1505 1439 2.97      
11 A 1380 1320 27.19      
12 A 1201 1149 0.30      
13 A 1100 1052 2.88      
14 A 1072 1025 130.46      
15 A 646 618 78.22      
16 A 384 367 42.45      
17 A 304 290 147.95      
18 A 200 192 3.11      
19 A 145 138 22.81      
20 A 121 115 110.61      
21 A 66 63 9.54      

Unscaled Zero Point Vibrational Energy (zpe) 16848.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 16117.4 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/aug-cc-pVTZ
ABC
0.94483 0.14111 0.12765

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.159 0.205 -0.017
O2 2.028 -0.201 0.104
O3 -0.674 0.686 -0.100
H4 2.550 0.092 -0.642
H5 -0.924 1.285 0.602
C6 -1.449 -0.500 -0.000
H7 -2.510 -0.298 -0.164
H8 -1.096 -1.173 -0.777
H9 -1.315 -0.988 0.967

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.96731.89691.52952.42712.70183.70632.74982.9181
O20.96732.85170.95643.34323.49224.54763.38893.5421
O31.89692.85173.32330.95681.41992.08402.02262.0864
H41.52950.95643.32333.87904.09405.09813.86214.3245
H52.42713.34320.95683.87901.95572.36822.82402.3358
C62.70183.49221.41994.09401.95571.09211.08711.0920
H73.70634.54762.08405.09812.36821.09211.77231.7841
H82.74983.38892.02263.86212.82401.08711.77231.7678
H92.91813.54212.08644.32452.33581.09201.78411.7678

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 105.328 H1 O3 H5 112.303
H1 O3 C6 108.235 O2 H1 O3 168.689
O3 C6 H7 111.444 O3 C6 H8 106.813
O3 C6 H9 111.654 H5 O3 C6 109.190
H7 C6 H8 108.833 H7 C6 H9 109.543
H8 C6 H9 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.313      
2 O -0.482      
3 O -0.383      
4 H 0.153      
5 H 0.111      
6 C -0.559      
7 H 0.266      
8 H 0.298      
9 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.432 0.839 -0.196 2.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.463 1.766 -4.891
y 1.766 -19.207 1.743
z -4.891 1.743 -19.095
Traceless
 xyz
x -0.312 1.766 -4.891
y 1.766 0.072 1.743
z -4.891 1.743 0.240
Polar
3z2-r20.480
x2-y2-0.256
xy1.766
xz-4.891
yz1.743


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.014 0.151 -0.069
y 0.151 4.516 0.060
z -0.069 0.060 4.228


<r2> (average value of r2) Å2
<r2> 91.555
(<r2>)1/2 9.568