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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311+G(3df,2pd)
 hartrees
Energy at 0K-231.562074
Energy at 298.15K-231.569909
Counterpoise corrected energy-231.561548
CP Energy at 298.15K-231.569335
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.622246
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 B3LYPultrafine/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 3895 3778 87.09      
2 A 3664 3554 470.31      
3 A 3123 3029 15.34      
4 A 3122 3028 18.49      
5 A 3038 2947 0.01      
6 A 3034 2943 95.25      
7 A 2991 2901 65.63      
8 A 2982 2893 46.76      
9 A 1652 1602 43.54      
10 A 1514 1469 3.98      
11 A 1498 1454 12.22      
12 A 1495 1450 15.56      
13 A 1491 1446 0.82      
14 A 1486 1442 0.08      
15 A 1464 1420 1.04      
16 A 1273 1234 6.89      
17 A 1196 1160 5.87      
18 A 1189 1153 76.52      
19 A 1164 1130 0.03      
20 A 1112 1078 67.44      
21 A 928 900 52.77      
22 A 646 627 56.79      
23 A 415 402 8.45      
24 A 350 340 83.95      
25 A 243 236 14.96      
26 A 199 193 0.02      
27 A 152 147 2.69      
28 A 115 112 106.21      
29 A 45 44 7.81      
30 A 43 41 7.69      

Unscaled Zero Point Vibrational Energy (zpe) 22758.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 22075.5 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 B3LYPultrafine/6-311+G(3df,2pd)
ABC
0.31451 0.11019 0.08638

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.477 0.000 -0.056
O2 2.425 -0.000 0.156
O3 -0.408 -0.000 -0.315
C4 -1.082 1.181 0.079
C5 -1.082 -1.181 0.079
H6 2.876 -0.000 -0.691
H7 -1.194 1.228 1.168
H8 -0.482 2.024 -0.254
H9 -2.073 1.238 -0.382
H10 -0.482 -2.024 -0.254
H11 -1.194 -1.228 1.168
H12 -2.073 -1.238 -0.382

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97081.90332.82242.82241.53583.18462.82453.77442.82453.18463.7745
O20.97082.87183.70133.70130.95973.95283.56614.69623.56613.95284.6962
O31.90332.87181.41611.41613.30582.07912.02662.07582.02662.07912.0758
C42.82243.70131.41612.36274.20201.09491.08721.09483.27842.64612.6545
C52.82243.70131.41612.36274.20202.64613.27842.65451.08721.09491.0948
H61.53580.95973.30584.20204.20204.63963.94565.11123.94564.63965.1112
H73.18463.95282.07911.09492.64614.63961.77821.78203.62032.45623.0422
H82.82453.56612.02661.08723.27843.94561.77821.77974.04873.62033.6315
H93.77444.69622.07581.09482.65455.11121.78201.77973.63153.04222.4751
H102.82453.56612.02663.27841.08723.94563.62034.04873.63151.77821.7797
H113.18463.95282.07912.64611.09494.63962.45623.62033.04221.77821.7820
H123.77454.69622.07582.65451.09485.11123.04223.63152.47511.77971.7820

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 105.408 H1 O3 C4 115.708
H1 O3 C5 115.708 O2 H1 O3 175.152
O3 C4 H7 111.146 O3 C4 H8 107.387
O3 C4 H9 110.879 O3 C5 H10 107.387
O3 C5 H11 111.146 O3 C5 H12 110.879
C4 O3 C5 113.076 H7 C4 H8 109.158
H7 C4 H9 108.936 H8 C4 H9 109.296
H10 C5 H11 109.158 H10 C5 H12 109.296
H11 C5 H12 108.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.362      
2 O -0.525      
3 O -0.631      
4 C 0.153      
5 C 0.153      
6 H 0.171      
7 H 0.054      
8 H 0.058      
9 H 0.047      
10 H 0.058      
11 H 0.054      
12 H 0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.709 0.000 -1.003 2.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.817 -0.001 -5.141
y -0.001 -24.781 0.000
z -5.141 0.000 -26.839
Traceless
 xyz
x -3.007 -0.001 -5.141
y -0.001 3.047 0.000
z -5.141 0.000 -0.040
Polar
3z2-r2-0.080
x2-y2-4.036
xy-0.001
xz-5.141
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.612 0.000 -0.106
y 0.000 6.696 0.000
z -0.106 0.000 5.565


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