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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-231.484980
Energy at 298.15K-231.492892
Counterpoise corrected energy-231.483907
CP Energy at 298.15K-231.491720
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.769129
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 B3LYP/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 3893 3753 94.57      
2 A 3641 3511 489.36      
3 A 3145 3032 17.34      
4 A 3144 3032 19.64      
5 A 3061 2951 0.02      
6 A 3056 2947 104.65      
7 A 3006 2898 70.15      
8 A 2997 2889 53.53      
9 A 1632 1573 51.65      
10 A 1516 1461 3.79      
11 A 1499 1446 13.83      
12 A 1497 1444 16.47      
13 A 1491 1437 1.48      
14 A 1487 1433 0.04      
15 A 1464 1411 2.06      
16 A 1270 1224 6.72      
17 A 1195 1152 5.81      
18 A 1190 1148 88.24      
19 A 1162 1120 0.00      
20 A 1114 1074 61.96      
21 A 929 896 55.50      
22 A 675 651 80.26      
23 A 415 400 10.27      
24 A 356 343 102.12      
25 A 250 241 24.51      
26 A 200 193 0.10      
27 A 166 160 2.12      
28 A 122 118 132.37      
29 A 51 49 11.66      
30 A 46 44 14.30      

Unscaled Zero Point Vibrational Energy (zpe) 22833.4 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 22016.0 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 B3LYP/6-31+G**
ABC
0.30961 0.11324 0.08832

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.438 -0.004 -0.079
O2 -2.384 -0.002 0.162
O3 0.416 -0.001 -0.355
C4 1.066 -1.184 0.092
C5 1.057 1.188 0.091
H6 -2.870 -0.007 -0.671
H7 1.091 -1.231 1.190
H8 0.492 -2.030 -0.291
H9 2.093 -1.235 -0.296
H10 0.477 2.029 -0.291
H11 1.083 1.235 1.189
H12 2.084 1.246 -0.297

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97581.87432.77322.77051.54913.08422.80633.74572.80143.08193.7435
O20.97582.84683.64693.64140.96413.82633.54794.66573.53783.82114.6612
O31.87432.84681.42221.42233.30082.08702.03212.08332.03212.08702.0833
C42.77323.64691.42222.37194.17811.09921.09151.09923.28952.65612.6634
C52.77053.64141.42232.37194.17472.65633.28952.66321.09151.09921.0992
H61.54910.96413.30084.17814.17474.54423.94245.12633.93584.54125.1232
H73.08423.82632.08701.09922.65634.54421.78621.79183.63302.46523.0544
H82.80633.54792.03211.09153.28953.94241.78621.78764.05983.63303.6426
H93.74574.66572.08331.09922.66325.12631.79181.78763.64253.05362.4811
H102.80143.53782.03213.28951.09153.93583.63304.05983.64251.78621.7876
H113.08193.82112.08702.65611.09924.54122.46523.63303.05361.78621.7918
H123.74354.66122.08332.66341.09925.12323.05443.64262.48111.78761.7918

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 105.973 H1 O3 C4 113.843
H1 O3 C5 113.664 O2 H1 O3 174.144
O3 C4 H7 111.080 O3 C4 H8 107.142
O3 C4 H9 110.776 O3 C5 H10 107.140
O3 C5 H11 111.078 O3 C5 H12 110.774
C4 O3 C5 112.992 H7 C4 H8 109.243
H7 C4 H9 109.187 H8 C4 H9 109.371
H10 C5 H11 109.241 H10 C5 H12 109.375
H11 C5 H12 109.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.430      
2 O -0.772      
3 O -0.422      
4 C -0.217      
5 C -0.217      
6 H 0.343      
7 H 0.139      
8 H 0.156      
9 H 0.132      
10 H 0.156      
11 H 0.139      
12 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.815 -0.005 -1.084 3.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.736 0.016 5.846
y 0.016 -24.614 0.012
z 5.846 0.012 -27.211
Traceless
 xyz
x -2.823 0.016 5.846
y 0.016 3.359 0.012
z 5.846 0.012 -0.536
Polar
3z2-r2-1.072
x2-y2-4.122
xy0.016
xz5.846
yz0.012


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.087 -0.001 0.094
y -0.001 6.028 -0.000
z 0.094 -0.000 5.071


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