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All results from a given calculation for H2OCH3OCH3 (water dimethylether dimer)

using model chemistry: MP2_cp/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-230.802974
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.31462 0.11413 0.08908

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.405 -0.001 -0.128
O2 -2.332 -0.002 0.170
O3 0.434 -0.000 -0.421
C4 1.035 -1.179 0.112
C5 1.031 1.180 0.112
H6 -2.862 0.003 -0.634
H7 0.919 -1.214 1.198
H8 0.521 -2.024 -0.337
H9 2.097 -1.213 -0.143
H10 0.515 2.024 -0.336
H11 0.916 1.214 1.198
H12 2.093 1.218 -0.144

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97371.86172.71932.71771.54292.93692.80113.70552.79792.93593.7043
O20.97372.82803.56693.56520.96273.61843.53394.60233.53033.61724.6009
O31.86172.82801.42651.42643.30252.08112.02772.07752.02752.08122.0774
C42.71933.56691.42652.35914.13971.09331.08601.09303.27552.63122.6330
C52.71773.56521.42642.35914.13502.63123.27562.63251.08601.09331.0930
H61.54290.96273.30254.13974.13504.37393.95555.12963.94654.36995.1255
H72.93693.61842.08111.09332.63124.37391.78111.78553.60552.42803.0158
H82.80113.53392.02771.08603.27563.95551.78111.78264.04813.60583.6086
H93.70554.60232.07751.09302.63255.12961.78551.78263.60843.01492.4318
H102.79793.53032.02753.27551.08603.94653.60554.04813.60841.78091.7825
H112.93593.61722.08122.63121.09334.36992.42803.60583.01491.78091.7855
H123.70434.60092.07742.63301.09305.12553.01583.60862.43181.78251.7855

picture of water dimethylether dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.440      
2 O -0.786      
3 O -0.494      
4 C -0.123      
5 C -0.120      
6 H 0.356      
7 H 0.101      
8 H 0.149      
9 H 0.119      
10 H 0.135      
11 H 0.114      
12 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.067 -0.002 -1.173 3.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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