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All results from a given calculation for CH3OHH2O (methanol water 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-191.865555
Energy at 298.15K 
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 MP2_cp_opt/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2_cp_opt/aug-cc-pVTZ
ABC
1.06515 0.12648 0.11739

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.416 0.000
O2 -0.967 0.384 0.000
O3 1.959 0.546 0.000
C4 -1.354 -0.980 0.000
H5 2.309 1.020 0.761
H6 2.309 1.020 -0.761
H7 -2.441 -1.005 0.000
H8 -0.997 -1.507 -0.888
H9 -0.997 -1.507 0.888

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.96711.96371.94542.50472.50472.82472.34132.3413
O20.96712.93051.41863.42213.42212.02592.08982.0898
O31.96372.93053.64840.96210.96214.66593.70743.7074
C41.94541.41863.64844.24244.24241.08701.09241.0924
H52.50473.42210.96214.24241.52215.21924.47584.1630
H62.50473.42210.96214.24241.52215.21924.16304.4758
H72.82472.02594.66591.08705.21925.21921.76791.7679
H82.34132.08983.70741.09244.47584.16301.76791.7752
H92.34132.08983.70741.09244.16304.47581.76791.7752

picture of methanol water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 C4 107.755 H1 O3 H5 113.252
H1 O3 H6 113.252 O2 H1 O3 178.100
O2 C4 H7 107.169 O2 C4 H8 112.004
O2 C4 H9 112.004 H5 O3 H6 104.553
H7 C4 H8 108.428 H7 C4 H9 108.428
H8 C4 H9 108.683
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 -0.459      
4 C 0.000      
5 H 0.230      
6 H 0.230      
7 H 0.000      
8 H 0.000      
9 H 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.910 0.357 0.000 2.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.249 7.391 0.000
y 7.391 -18.191 0.000
z 0.000 0.000 -17.970
Traceless
 xyz
x 2.831 7.391 0.000
y 7.391 -1.581 0.000
z 0.000 0.000 -1.250
Polar
3z2-r2-2.500
x2-y22.942
xy7.391
xz0.000
yz0.000


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