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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-192.029053
Energy at 298.15K-192.034858
HF Energy-192.029053
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3734 3661 42.50      
2 A 3664 3592 18.92      
3 A 3515 3446 244.11      
4 A 3091 3030 32.64      
5 A 3036 2976 44.83      
6 A 2968 2910 60.81      
7 A 1730 1696 52.81      
8 A 1511 1481 3.23      
9 A 1498 1469 2.55      
10 A 1470 1441 3.52      
11 A 1374 1347 27.27      
12 A 1162 1139 0.82      
13 A 1073 1052 13.97      
14 A 1011 991 104.54      
15 A 654 641 160.92      
16 A 531 521 30.58      
17 A 285 280 229.32      
18 A 195 192 3.28      
19 A 154 151 81.04      
20 A 123 121 36.98      
21 A 95 93 36.23      

Unscaled Zero Point Vibrational Energy (zpe) 16436.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 16114.2 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 B97D3/6-31G*
ABC
0.79674 0.15933 0.13962

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.101 0.354 0.166
O2 -1.929 -0.092 -0.117
O3 0.786 0.759 0.148
H4 -2.232 -0.531 0.695
H5 0.732 1.161 -0.738
C6 1.263 -0.586 -0.035
H7 2.238 -0.606 -0.549
H8 1.391 -1.004 0.971
H9 0.534 -1.201 -0.586

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98201.93071.53052.19782.55253.54792.95052.3794
O20.98202.85800.97163.00643.23144.22143.61122.7424
O31.93072.85803.32820.97411.43852.11112.03752.1081
H41.53050.97163.32823.70213.57144.64133.66483.1219
H52.19783.00640.97413.70211.95672.32962.83592.3756
C62.55253.23141.43853.57141.95671.10281.09691.1016
H73.54794.22142.11114.64132.32961.10281.78541.8053
H82.95053.61122.03753.66482.83591.09691.78541.7884
H92.37942.74242.10813.12192.37561.10161.80531.7884

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 103.442 H1 O3 H5 93.928
H1 O3 C6 98.229 O2 H1 O3 156.516
O3 C6 H7 111.685 O3 C6 H8 106.171
O3 C6 H9 111.645 H5 O3 C6 107.077
H7 C6 H8 108.507 H7 C6 H9 109.918
H8 C6 H9 108.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.396      
2 O -0.812      
3 O -0.593      
4 H 0.372      
5 H 0.403      
6 C -0.250      
7 H 0.148      
8 H 0.169      
9 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.850 -0.623 0.240 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.804 0.202 -4.964
y 0.202 -18.545 -2.948
z -4.964 -2.948 -17.860
Traceless
 xyz
x -3.601 0.202 -4.964
y 0.202 1.287 -2.948
z -4.964 -2.948 2.314
Polar
3z2-r24.628
x2-y2-3.259
xy0.202
xz-4.964
yz-2.948


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.790 0.026 -0.183
y 0.026 3.079 -0.286
z -0.183 -0.286 3.131


<r2> (average value of r2) Å2
<r2> 84.621
(<r2>)1/2 9.199