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

using model chemistry: B3LYP/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 B3LYP/6-311+G(3df,2pd)
 hartrees
Energy at 0K-231.560909
Energy at 298.15K-231.569223
Counterpoise corrected energy-231.561547
CP Energy at 298.15K-231.569339
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy132.981014
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/6-311+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 3740 3606 422.15      
2 A 3641 3510 81.30      
3 A 3119 3008 15.00      
4 A 3118 3007 17.75      
5 A 3042 2934 18.56      
6 A 3034 2926 75.06      
7 A 2993 2886 63.38      
8 A 2983 2876 52.34      
9 A 1665 1605 52.22      
10 A 1513 1459 3.56      
11 A 1501 1447 11.95      
12 A 1494 1440 11.06      
13 A 1492 1439 1.20      
14 A 1489 1436 2.68      
15 A 1465 1412 1.16      
16 A 1272 1226 6.18      
17 A 1202 1159 48.94      
18 A 1182 1140 33.52      
19 A 1165 1123 0.51      
20 A 1112 1072 72.17      
21 A 928 894 53.17      
22 A 612 590 64.42      
23 A 497 480 114.08      
24 A 470 453 76.16      
25 A 419 404 5.05      
26 A 226 218 5.43      
27 A 171 165 1.25      
28 A 141 136 1.55      
29 A 51 49 4.40      
30 A 37 36 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 22886.7 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 22067.4 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/6-311+G(3df,2pd)
ABC
0.32700 0.10557 0.08343

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.516 -0.187 0.049
O2 2.479 -0.131 0.134
O3 -0.386 -0.060 -0.181
C4 -0.864 1.257 0.031
C5 -1.359 -1.060 0.052
H6 2.826 -0.284 -0.765
H7 -1.474 1.315 0.938
H8 0.002 1.906 0.144
H9 -1.463 1.597 -0.820
H10 -0.902 -2.019 -0.183
H11 -1.680 -1.060 1.099
H12 -2.236 -0.916 -0.588

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.96871.91962.78443.00431.54563.46172.58513.57943.04233.47503.8742
O20.96872.88303.62193.94970.97624.28503.20734.40873.88574.36924.8338
O31.91962.88301.41791.41463.27192.07992.02982.07722.02562.07642.0784
C42.78443.62191.41792.36994.07771.09421.08761.09463.28352.67892.6430
C53.00433.94971.41462.36994.33382.53753.26432.79831.08741.09481.0950
H61.54560.97623.27194.07774.33384.89313.68754.68334.15314.93745.1037
H73.46174.28502.07991.09422.53754.89311.77631.78093.56322.38942.8078
H82.58513.20732.02981.08763.26433.68751.77631.78074.04053.54043.6743
H93.57944.40872.07721.09462.79834.68331.78091.78073.71383.28462.6386
H103.04233.88572.02563.28351.08744.15313.56324.04053.71381.77921.7773
H113.47504.36922.07642.67891.09484.93742.38943.54043.28461.77921.7817
H123.87424.83382.07842.64301.09505.10372.80783.67432.63861.77731.7817

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 105.253 H1 O3 C4 112.215
H1 O3 C5 127.951 O2 H1 O3 172.642
O3 C4 H7 111.126 O3 C4 H8 107.496
O3 C4 H9 110.884 O3 C5 H10 107.390
O3 C5 H11 111.034 O3 C5 H12 111.184
C4 O3 C5 113.590 H7 C4 H8 109.012
H7 C4 H9 108.906 H8 C4 H9 109.378
H10 C5 H11 109.237 H10 C5 H12 109.048
H11 C5 H12 108.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.375      
2 O -0.539      
3 O -0.634      
4 C 0.138      
5 C 0.160      
6 H 0.176      
7 H 0.050      
8 H 0.069      
9 H 0.051      
10 H 0.055      
11 H 0.053      
12 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.979 0.008 -1.144 3.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.848 -0.167 -4.921
y -0.167 -24.817 0.562
z -4.921 0.562 -26.366
Traceless
 xyz
x -4.256 -0.167 -4.921
y -0.167 3.290 0.562
z -4.921 0.562 0.966
Polar
3z2-r21.932
x2-y2-5.031
xy-0.167
xz-4.921
yz0.562


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.648 0.107 -0.093
y 0.107 6.675 -0.025
z -0.093 -0.025 5.604


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