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

using model chemistry: MP2_cp_opt/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 MP2_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-191.866648
Energy at 298.15K 
Nuclear repulsion energy40.197219
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 MP2_cp_opt/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2_cp_opt/aug-cc-pVTZ
ABC
0.89431 0.14421 0.12895

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.157 0.236 -0.028
O2 2.011 -0.208 0.095
O3 -0.700 0.711 -0.096
H4 2.585 0.183 -0.568
H5 -1.001 1.284 0.615
C6 -1.412 -0.528 -0.004
H7 -2.483 -0.378 -0.141
H8 -1.036 -1.158 -0.803
H9 -1.229 -1.023 0.949

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97041.91801.52762.48352.68023.69262.71092.8694
O20.97042.86870.96043.40083.43914.50273.31473.4480
O31.91802.86873.36070.96191.43122.08892.02562.0922
H41.52760.96043.36073.93314.09895.11643.86794.2781
H52.48353.40080.96193.93311.95842.35202.82422.3426
C62.68023.43911.43124.09891.95841.08961.08521.0897
H73.69264.50272.08895.11642.35201.08961.77201.7827
H82.71093.31472.02563.86792.82421.08521.77201.7680
H92.86943.44802.09224.27812.34261.08971.78271.7680

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 104.591 H1 O3 H5 115.080
H1 O3 C6 105.389 O2 H1 O3 165.862
O3 C6 H7 111.202 O3 C6 H8 106.400
O3 C6 H9 111.469 H5 O3 C6 108.247
H7 C6 H8 109.131 H7 C6 H9 109.775
H8 C6 H9 108.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.504      
4 H 0.000      
5 H 0.194      
6 C -0.632      
7 H 0.308      
8 H 0.324      
9 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.341 0.942 -0.066 2.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.519 2.447 -4.865
y 2.447 -19.082 1.699
z -4.865 1.699 -19.148
Traceless
 xyz
x 0.596 2.447 -4.865
y 2.447 -0.249 1.699
z -4.865 1.699 -0.348
Polar
3z2-r2-0.695
x2-y20.563
xy2.447
xz-4.865
yz1.699


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000