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

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-231.408037
Energy at 298.15K-231.416174
HF Energy-231.408037
Nuclear repulsion energy135.392725
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 wB97X-D/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 3986 3795 98.85      
2 A 3715 3538 493.98      
3 A 3173 3022 19.13      
4 A 3172 3021 20.39      
5 A 3092 2945 0.01      
6 A 3086 2939 101.07      
7 A 3026 2882 63.19      
8 A 3019 2875 52.85      
9 A 1642 1564 53.23      
10 A 1531 1458 5.81      
11 A 1514 1442 15.32      
12 A 1513 1440 20.48      
13 A 1503 1431 1.02      
14 A 1499 1428 0.04      
15 A 1473 1403 0.70      
16 A 1283 1222 8.36      
17 A 1226 1167 121.90      
18 A 1211 1153 6.61      
19 A 1176 1120 0.00      
20 A 1138 1084 29.97      
21 A 963 917 52.17      
22 A 683 650 88.82      
23 A 427 406 14.51      
24 A 366 348 104.62      
25 A 277 264 25.77      
26 A 236 225 0.10      
27 A 186 177 10.46      
28 A 121 115 143.89      
29 A 86 82 18.74      
30 A 46 44 9.31      

Unscaled Zero Point Vibrational Energy (zpe) 23183.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 22077.9 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 wB97X-D/6-31+G**
ABC
0.30720 0.12060 0.09372

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.529 -0.355 0.077
O2 2.484 -0.222 0.135
O3 -0.427 -0.095 -0.209
C4 -0.687 1.282 0.033
C5 -1.514 -0.962 0.063
H6 2.825 -0.376 -0.749
H7 -1.413 1.428 0.843
H8 0.254 1.754 0.320
H9 -1.069 1.775 -0.869
H10 -1.184 -1.971 -0.183
H11 -1.802 -0.925 1.122
H12 -2.394 -0.713 -0.546

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.96661.99322.75543.10261.53683.52442.47613.49053.16813.53763.9880
O20.96662.93403.51154.06690.95944.29122.98514.19824.07644.45494.9501
O31.99322.93401.42191.41673.30802.09722.03982.08512.02272.08632.0895
C42.75543.51151.42192.39113.96171.09691.09151.09713.29702.70182.6881
C53.10264.06691.41672.39114.45282.51603.25052.92551.08931.09851.0988
H61.53680.95943.30803.96174.45284.87323.50534.45054.35135.02135.2337
H73.52444.29122.09721.09692.51604.87321.77701.78003.55742.40172.7338
H82.47612.98512.03981.09153.25053.50531.77701.77954.02373.47093.7209
H93.49054.19822.08511.09712.92554.45051.78001.77953.80983.43452.8372
H103.16814.07642.02273.29701.08934.35133.55744.02373.80981.78301.7826
H113.53764.45492.08632.70181.09855.02132.40173.47093.43451.78301.7827
H123.98804.95012.08952.68811.09885.23372.73383.72092.83721.78261.7827

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 105.864 H1 O3 C4 106.372
H1 O3 C5 130.217 O2 H1 O3 163.838
O3 C4 H7 112.090 O3 C4 H8 107.770
O3 C4 H9 111.081 O3 C5 H10 106.907
O3 C5 H11 111.458 O3 C5 H12 111.706
C4 O3 C5 114.778 H7 C4 H8 108.587
H7 C4 H9 108.447 H8 C4 H9 108.788
H10 C5 H11 109.162 H10 C5 H12 109.105
H11 C5 H12 108.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.423      
2 O -0.780      
3 O -0.418      
4 C -0.248      
5 C -0.248      
6 H 0.356      
7 H 0.150      
8 H 0.167      
9 H 0.140      
10 H 0.167      
11 H 0.150      
12 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.414 0.003 -0.923 2.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.330 0.009 -5.907
y 0.009 -24.281 -0.002
z -5.907 -0.002 -27.250
Traceless
 xyz
x -1.565 0.009 -5.907
y 0.009 3.009 -0.002
z -5.907 -0.002 -1.444
Polar
3z2-r2-2.889
x2-y2-3.049
xy0.009
xz-5.907
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.906 0.000 -0.077
y 0.000 5.805 0.000
z -0.077 0.000 4.941


<r2> (average value of r2) Å2
<r2> 129.144
(<r2>)1/2 11.364