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

using model chemistry: PBEPBE_cp_opt/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 PBEPBE_cp_opt/6-31G*
 hartrees
Energy at 0K-231.151989
Energy at 298.15K-231.159720
Nuclear repulsion energy83.237930
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 PBEPBE_cp_opt/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 3711 3658 47.63      
2 A 3502 3452 326.03      
3 A 3081 3037 20.81      
4 A 3080 3036 22.82      
5 A 2981 2938 0.01      
6 A 2975 2932 121.84      
7 A 2932 2890 60.25      
8 A 2920 2879 51.36      
9 A 1710 1686 49.11      
10 A 1499 1478 1.36      
11 A 1477 1456 15.06      
12 A 1468 1447 12.33      
13 A 1463 1442 2.29      
14 A 1457 1436 0.02      
15 A 1432 1412 4.40      
16 A 1239 1221 3.88      
17 A 1172 1155 3.38      
18 A 1165 1148 91.06      
19 A 1135 1119 0.01      
20 A 1101 1085 38.56      
21 A 929 916 44.12      
22 A 607 599 81.49      
23 A 409 403 8.59      
24 A 336 331 91.23      
25 A 255 252 22.53      
26 A 214 211 0.08      
27 A 158 156 2.08      
28 A 109 107 107.97      
29 A 32 32 9.59      
30 A 28 27 8.12      

Unscaled Zero Point Vibrational Energy (zpe) 22287.8 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 21969.1 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 PBEPBE_cp_opt/6-31G*
ABC
0.30805 0.11087 0.08755

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.455 -0.000 -0.079
O2 2.409 -0.000 0.170
O3 -0.451 -0.000 -0.413
C4 -1.058 1.176 0.107
C5 -1.059 -1.176 0.108
H6 2.858 -0.000 -0.696
H7 -0.978 1.225 1.213
H8 -0.526 2.035 -0.330
H9 -2.131 1.232 -0.171
H10 -0.527 -2.035 -0.330
H11 -0.978 -1.225 1.213
H12 -2.132 -1.232 -0.171

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98611.93512.78132.78141.53233.01512.85093.79332.85113.01523.7934
O20.98612.91903.66203.66220.97593.74963.60634.71703.60663.74974.7171
O31.93512.91901.42201.42203.32102.10292.03762.09762.03762.10292.0976
C42.78133.66201.42202.35164.16721.11001.10091.10983.28342.64452.6505
C52.78143.66221.42202.35164.16732.64453.28342.65051.10091.11001.1098
H61.53230.97593.32104.16724.16734.45633.96545.16583.96584.45655.1659
H73.01513.74962.10291.11002.64454.45631.80031.80193.63452.44983.0467
H82.85093.60632.03761.10093.28343.96541.80031.80174.06913.63453.6430
H93.79334.71702.09761.10982.65055.16581.80191.80173.64303.04672.4637
H102.85113.60662.03763.28341.10093.96583.63454.06913.64301.80031.8017
H113.01523.74972.10292.64451.11004.45652.44983.63453.04671.80031.8018
H123.79344.71712.09762.65051.10985.16593.04673.64302.46371.80171.8018

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 102.697 H1 O3 C4 110.961
H1 O3 C5 110.968 O2 H1 O3 175.247
O3 C4 H7 111.716 O3 C4 H8 107.047
O3 C4 H9 111.289 O3 C5 H10 107.047
O3 C5 H11 111.716 O3 C5 H12 111.289
C4 O3 C5 111.554 H7 C4 H8 109.036
H7 C4 H9 108.527 H8 C4 H9 109.172
H10 C5 H11 109.036 H10 C5 H12 109.172
H11 C5 H12 108.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.426      
4 C -0.253      
5 C -0.253      
6 H 0.000      
7 H 0.146      
8 H 0.175      
9 H 0.150      
10 H 0.172      
11 H 0.144      
12 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.641 0.000 -0.991 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.420 0.000 -5.534
y 0.000 -23.740 0.000
z -5.534 0.000 -26.234
Traceless
 xyz
x -3.433 0.000 -5.534
y 0.000 3.587 0.000
z -5.534 0.000 -0.154
Polar
3z2-r2-0.308
x2-y2-4.680
xy0.000
xz-5.534
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.289 0.560 -0.018
y 0.560 4.439 -0.016
z -0.018 -0.016 3.714


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