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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-231.197019
Energy at 298.15K-231.204930
Counterpoise corrected energy-231.195704
CP Energy at 298.15K-231.203456
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.999333
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/6-31+G**
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 3793 3750 77.96      
2 A 3491 3452 557.75      
3 A 3085 3050 14.97      
4 A 3084 3049 15.63      
5 A 2995 2961 0.03      
6 A 2988 2954 100.08      
7 A 2935 2901 70.80      
8 A 2926 2893 55.31      
9 A 1597 1579 41.33      
10 A 1466 1449 5.31      
11 A 1447 1431 15.15      
12 A 1444 1428 19.54      
13 A 1435 1419 0.88      
14 A 1434 1417 0.12      
15 A 1411 1395 0.71      
16 A 1225 1211 5.07      
17 A 1154 1141 3.72      
18 A 1147 1134 80.07      
19 A 1123 1110 0.02      
20 A 1083 1071 48.85      
21 A 909 898 52.04      
22 A 686 678 67.24      
23 A 406 401 18.68      
24 A 370 366 93.29      
25 A 255 252 27.97      
26 A 200 198 0.23      
27 A 172 171 2.30      
28 A 117 116 121.41      
29 A 56 56 12.98      
30 A 50 49 18.42      

Unscaled Zero Point Vibrational Energy (zpe) 22241.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 21988.3 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/6-31+G**
ABC
0.30469 0.11719 0.09116

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.389 -0.006 -0.121
O2 -2.332 -0.003 0.171
O3 0.431 -0.001 -0.417
C4 1.037 -1.183 0.110
C5 1.025 1.187 0.109
H6 -2.852 -0.010 -0.650
H7 0.932 -1.229 1.212
H8 0.514 -2.039 -0.340
H9 2.111 -1.226 -0.156
H10 0.494 2.038 -0.341
H11 0.921 1.233 1.211
H12 2.099 1.241 -0.157

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98651.84462.70622.70281.55582.94292.79383.70712.78762.93993.7044
O20.98652.82493.56963.56210.97183.63883.53624.61973.52273.63144.6136
O31.84462.82491.42861.42873.29182.10062.04142.09532.04142.10062.0953
C42.70623.56961.42862.37004.13231.10801.09951.10773.29732.65712.6595
C52.70283.56211.42872.37004.12832.65743.29732.65931.09951.10791.1077
H61.55580.97183.29184.13234.12834.39033.94275.13393.93504.38665.1304
H72.94293.63882.10061.10802.65744.39031.79991.80573.64362.46143.0552
H82.79383.53622.04141.09953.29733.94271.79991.80184.07743.64363.6474
H93.70714.61972.09531.10772.65935.13391.80571.80183.64743.05452.4665
H102.78763.52272.04143.29731.09953.93503.64364.07743.64741.79981.8019
H112.93993.63142.10062.65711.10794.38662.46143.64363.05451.79981.8058
H123.70444.61362.09532.65951.10775.13043.05523.64742.46651.80191.8058

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 105.207 H1 O3 C4 110.897
H1 O3 C5 110.679 O2 H1 O3 172.077
O3 C4 H7 111.185 O3 C4 H8 106.980
O3 C4 H9 110.770 O3 C5 H10 106.977
O3 C5 H11 111.183 O3 C5 H12 110.766
C4 O3 C5 112.084 H7 C4 H8 109.248
H7 C4 H9 109.175 H8 C4 H9 109.439
H10 C5 H11 109.243 H10 C5 H12 109.448
H11 C5 H12 109.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.420      
2 O -0.762      
3 O -0.366      
4 C -0.309      
5 C -0.309      
6 H 0.342      
7 H 0.163      
8 H 0.176      
9 H 0.153      
10 H 0.177      
11 H 0.163      
12 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.609 -0.009 -1.002 2.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.493 0.027 5.780
y 0.027 -24.830 0.019
z 5.780 0.019 -27.569
Traceless
 xyz
x -2.294 0.027 5.780
y 0.027 3.201 0.019
z 5.780 0.019 -0.907
Polar
3z2-r2-1.815
x2-y2-3.663
xy0.027
xz5.780
yz0.019


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.461 -0.002 0.089
y -0.002 6.369 -0.001
z 0.089 -0.001 5.281


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