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

using model chemistry: PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-231.270462
Energy at 298.15K-231.278225
Nuclear repulsion energy83.335674
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 PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)
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 3795 3757 70.39      
2 A 3526 3491 515.36      
3 A 3063 3032 13.81      
4 A 3062 3031 15.66      
5 A 2973 2943 0.04      
6 A 2966 2936 94.45      
7 A 2920 2891 65.98      
8 A 2913 2883 47.88      
9 A 1610 1594 34.74      
10 A 1460 1446 4.51      
11 A 1443 1429 13.05      
12 A 1438 1423 17.20      
13 A 1432 1417 0.41      
14 A 1429 1415 0.14      
15 A 1407 1393 0.28      
16 A 1226 1214 5.52      
17 A 1152 1140 4.35      
18 A 1143 1132 73.82      
19 A 1122 1111 0.07      
20 A 1081 1070 49.94      
21 A 909 900 49.28      
22 A 627 621 48.31      
23 A 403 399 9.00      
24 A 343 340 84.82      
25 A 243 241 17.60      
26 A 203 201 0.03      
27 A 152 151 3.68      
28 A 111 110 100.58      
29 A 46 45 8.36      
30 A 40 40 8.84      

Unscaled Zero Point Vibrational Energy (zpe) 22119.2 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 21898.0 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 PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)
ABC
0.31087 0.11193 0.08780

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine_cp_opt/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.451 -0.000 -0.090
O2 2.398 -0.000 0.165
O3 -0.419 -0.000 -0.367
C4 -1.066 1.180 0.094
C5 -1.066 -1.180 0.094
H6 2.876 -0.000 -0.676
H7 -1.081 1.222 1.198
H8 -0.498 2.034 -0.291
H9 -2.103 1.232 -0.280
H10 -0.498 -2.034 -0.291
H11 -1.081 -1.222 1.198
H12 -2.104 -1.232 -0.280

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98071.89042.78542.78541.54153.09172.82373.76632.82373.09173.7663
O20.98072.86683.65953.65960.96783.82863.56754.68773.56763.82864.6878
O31.89042.86681.42231.42233.31002.09282.03682.08842.03682.09282.0884
C42.78543.65951.42232.35954.18631.10431.09591.10413.28622.64302.6516
C52.78543.65961.42232.35954.18632.64303.28622.65161.09591.10431.1041
H61.54150.96783.31004.18634.18634.54553.95835.14513.95834.54555.1451
H73.09173.82862.09281.10432.64304.54551.79321.79663.62722.44373.0409
H82.82373.56752.03681.09593.28623.95831.79321.79524.06783.62713.6391
H93.76634.68772.08841.10412.65165.14511.79661.79523.63913.04092.4633
H102.82373.56762.03683.28621.09593.95833.62724.06783.63911.79321.7952
H113.09173.82862.09282.64301.10434.54552.44373.62713.04091.79321.7966
H123.76634.68782.08842.65161.10415.14513.04093.63912.46331.79521.7966

picture of water dimethylether dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H6 104.576 H1 O3 C4 113.702
H1 O3 C5 113.703 O2 H1 O3 173.381
O3 C4 H7 111.228 O3 C4 H8 107.260
O3 C4 H9 110.878 O3 C5 H10 107.260
O3 C5 H11 111.228 O3 C5 H12 110.878
C4 O3 C5 112.088 H7 C4 H8 109.184
H7 C4 H9 108.883 H8 C4 H9 109.370
H10 C5 H11 109.184 H10 C5 H12 109.370
H11 C5 H12 108.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.598      
4 C 0.221      
5 C 0.221      
6 H 0.000      
7 H 0.024      
8 H 0.030      
9 H 0.024      
10 H 0.030      
11 H 0.024      
12 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.539 -0.000 -0.938 2.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.673 -0.000 -5.069
y -0.000 -24.993 0.000
z -5.069 0.000 -27.165
Traceless
 xyz
x -2.594 -0.000 -5.069
y -0.000 2.927 0.000
z -5.069 0.000 -0.332
Polar
3z2-r2-0.665
x2-y2-3.681
xy-0.000
xz-5.069
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.764 -0.000 0.046
y -0.000 5.987 0.000
z 0.046 0.000 4.739


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