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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-231.567054
Energy at 298.15K-231.574865
Counterpoise corrected energy-231.566912
CP Energy at 298.15K-231.574715
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.412781
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/aug-cc-pVTZ
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 3868 3742 86.31      
2 A 3636 3517 473.78      
3 A 3121 3019 15.01      
4 A 3120 3018 18.48      
5 A 3037 2938 0.01      
6 A 3032 2933 96.33      
7 A 2991 2894 67.38      
8 A 2983 2886 46.12      
9 A 1646 1593 42.81      
10 A 1512 1463 3.56      
11 A 1497 1448 11.96      
12 A 1494 1445 14.77      
13 A 1488 1440 0.70      
14 A 1484 1436 0.10      
15 A 1461 1414 1.11      
16 A 1271 1229 7.02      
17 A 1193 1154 5.95      
18 A 1186 1147 75.52      
19 A 1163 1125 0.03      
20 A 1109 1073 68.25      
21 A 926 895 53.38      
22 A 632 611 51.33      
23 A 414 400 7.68      
24 A 339 328 82.85      
25 A 241 233 13.80      
26 A 198 192 0.00      
27 A 150 145 2.75      
28 A 116 112 101.09      
29 A 43 41 6.99      
30 A 39 38 7.11      

Unscaled Zero Point Vibrational Energy (zpe) 22692.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 21955.3 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.31552 0.10930 0.08568

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.487 -0.001 -0.052
O2 2.437 -0.001 0.153
O3 -0.398 -0.000 -0.289
C4 -1.090 1.183 0.072
C5 -1.093 -1.182 0.072
H6 2.882 -0.003 -0.698
H7 -1.253 1.230 1.154
H8 -0.473 2.025 -0.233
H9 -2.058 1.240 -0.437
H10 -0.478 -2.026 -0.233
H11 -1.257 -1.229 1.154
H12 -2.061 -1.237 -0.436

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97161.89992.83892.84011.53763.23752.82503.77582.82723.23853.7768
O20.97162.86913.72103.72300.96074.01673.56644.70003.57024.01854.7018
O31.89992.86911.41791.41793.30592.08072.02772.07762.02772.08072.0776
C42.83893.72101.41792.36544.21651.09511.08741.09513.28092.64882.6567
C52.84013.72301.41792.36544.21772.64873.28092.65681.08741.09511.0951
H61.53760.96073.30594.21654.21774.69623.94795.10113.95024.69725.1022
H73.23754.01672.08071.09512.64874.69621.77891.78253.62292.45903.0443
H82.82503.56642.02771.08743.28093.94791.77891.78044.05083.62293.6337
H93.77584.70002.07761.09512.65685.10111.78251.78043.63373.04452.4770
H102.82723.57022.02773.28091.08743.95023.62294.05083.63371.77891.7804
H113.23854.01852.08072.64881.09514.69722.45903.62293.04451.77891.7825
H123.77684.70182.07762.65671.09515.10223.04433.63372.47701.78041.7825

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 105.445 H1 O3 C4 116.921
H1 O3 C5 117.002 O2 H1 O3 174.968
O3 C4 H7 111.131 O3 C4 H8 107.332
O3 C4 H9 110.883 O3 C5 H10 107.333
O3 C5 H11 111.131 O3 C5 H12 110.883
C4 O3 C5 113.057 H7 C4 H8 109.185
H7 C4 H9 108.947 H8 C4 H9 109.325
H10 C5 H11 109.185 H10 C5 H12 109.323
H11 C5 H12 108.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.338      
2 O -0.422      
3 O -0.447      
4 C -0.572      
5 C -0.572      
6 H 0.137      
7 H 0.256      
8 H 0.267      
9 H 0.246      
10 H 0.267      
11 H 0.256      
12 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.750 -0.002 -1.011 2.930
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.957 -0.006 -4.991
y -0.006 -24.844 0.004
z -4.991 0.004 -26.783
Traceless
 xyz
x -3.143 -0.006 -4.991
y -0.006 3.026 0.004
z -4.991 0.004 0.117
Polar
3z2-r20.234
x2-y2-4.113
xy-0.006
xz-4.991
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.859 0.001 -0.104
y 0.001 6.950 0.000
z -0.104 0.000 5.869


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