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

using model chemistry: PBEPBE_cp_opt/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 PBEPBE_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-231.270460
Energy at 298.15K-231.278211
Nuclear repulsion energy83.335719
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 PBEPBE_cp_opt/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 3797 3759 70.39      
2 A 3528 3493 515.64      
3 A 3063 3032 13.76      
4 A 3062 3032 15.67      
5 A 2973 2943 0.02      
6 A 2966 2936 94.40      
7 A 2921 2891 66.22      
8 A 2912 2883 47.89      
9 A 1610 1594 34.80      
10 A 1460 1446 4.50      
11 A 1443 1429 13.18      
12 A 1437 1422 16.80      
13 A 1430 1416 0.71      
14 A 1428 1414 0.11      
15 A 1406 1392 0.25      
16 A 1225 1213 5.55      
17 A 1151 1140 4.42      
18 A 1143 1132 74.75      
19 A 1121 1110 0.02      
20 A 1081 1070 49.19      
21 A 909 900 49.37      
22 A 628 621 48.25      
23 A 401 397 9.02      
24 A 343 340 84.73      
25 A 239 236 17.29      
26 A 202 200 0.04      
27 A 152 150 3.40      
28 A 113 112 100.96      
29 A 47 47 8.11      
30 A 36 35 8.40      

Unscaled Zero Point Vibrational Energy (zpe) 22114.5 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 21893.4 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 PBEPBE_cp_opt/6-311+G(3df,2pd)
ABC
0.31118 0.11171 0.08764

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.453 -0.001 -0.086
O2 2.401 -0.001 0.165
O3 -0.417 -0.000 -0.363
C4 -1.067 1.180 0.093
C5 -1.069 -1.180 0.093
H6 2.875 -0.000 -0.679
H7 -1.094 1.221 1.196
H8 -0.493 2.034 -0.286
H9 -2.101 1.234 -0.292
H10 -0.496 -2.034 -0.286
H11 -1.095 -1.221 1.196
H12 -2.102 -1.232 -0.292

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98071.89022.78832.78901.54133.10172.82233.76712.82383.10223.7677
O20.98072.86683.66403.66500.96783.84323.56624.68983.56813.84394.6906
O31.89022.86681.42221.42223.30752.09272.03682.08842.03682.09272.0884
C42.78833.66401.42222.35964.18691.10431.09591.10423.28622.64252.6526
C52.78903.66501.42222.35964.18812.64243.28622.65281.09591.10431.1042
H61.54130.96783.30754.18694.18814.55663.95475.14113.95704.55745.1422
H73.10173.84322.09271.10432.64244.55661.79331.79663.62642.44243.0411
H82.82233.56622.03681.09593.28623.95471.79331.79514.06773.62643.6403
H93.76714.68982.08841.10422.65285.14111.79661.79513.64033.04162.4656
H102.82383.56812.03683.28621.09593.95703.62644.06773.64031.79331.7952
H113.10223.84392.09272.64251.10434.55742.44243.62643.04161.79331.7966
H123.76774.69062.08842.65261.10425.14223.04113.64032.46561.79521.7966

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 104.564 H1 O3 C4 113.908
H1 O3 C5 113.956 O2 H1 O3 173.638
O3 C4 H7 111.228 O3 C4 H8 107.258
O3 C4 H9 110.886 O3 C5 H10 107.258
O3 C5 H11 111.227 O3 C5 H12 110.884
C4 O3 C5 112.105 H7 C4 H8 109.186
H7 C4 H9 108.881 H8 C4 H9 109.365
H10 C5 H11 109.186 H10 C5 H12 109.366
H11 C5 H12 108.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.598      
4 C 0.222      
5 C 0.221      
6 H 0.000      
7 H 0.024      
8 H 0.030      
9 H 0.024      
10 H 0.030      
11 H 0.024      
12 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.555 0.001 -0.945 2.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.723 0.004 -5.065
y 0.004 -24.992 0.000
z -5.065 0.000 -27.147
Traceless
 xyz
x -2.654 0.004 -5.065
y 0.004 2.943 0.000
z -5.065 0.000 -0.289
Polar
3z2-r2-0.578
x2-y2-3.732
xy0.004
xz-5.065
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 0.016 -0.045
y 0.016 5.987 -0.001
z -0.045 -0.001 4.738


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