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

using model chemistry: PBEPBE_cp_opt/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 PBEPBE_cp_opt/6-31+G**
 hartrees
Energy at 0K-231.195704
Energy at 298.15K-231.203456
Nuclear repulsion energy83.015396
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/6-31+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 3797 3754 79.18      
2 A 3514 3474 520.29      
3 A 3084 3049 14.61      
4 A 3083 3048 16.50      
5 A 2992 2958 0.01      
6 A 2985 2951 102.78      
7 A 2933 2899 71.98      
8 A 2924 2891 54.36      
9 A 1593 1575 48.08      
10 A 1468 1451 4.15      
11 A 1448 1432 16.01      
12 A 1442 1426 18.66      
13 A 1436 1420 1.56      
14 A 1433 1416 0.06      
15 A 1412 1396 0.69      
16 A 1224 1210 4.36      
17 A 1153 1140 3.98      
18 A 1147 1134 81.79      
19 A 1122 1109 0.00      
20 A 1083 1071 45.69      
21 A 909 899 53.06      
22 A 640 632 72.73      
23 A 404 399 12.02      
24 A 346 342 111.31      
25 A 246 243 25.26      
26 A 197 195 0.21      
27 A 155 153 2.80      
28 A 116 115 129.98      
29 A 38 38 11.67      
30 A 35 35 16.08      

Unscaled Zero Point Vibrational Energy (zpe) 22179.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 21926.2 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/6-31+G**
ABC
0.30679 0.11301 0.08843

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.434 -0.000 -0.104
O2 2.381 -0.000 0.168
O3 -0.428 -0.000 -0.390
C4 -1.056 1.185 0.101
C5 -1.057 -1.185 0.101
H6 2.886 -0.001 -0.663
H7 -1.018 1.231 1.208
H8 -0.501 2.038 -0.316
H9 -2.113 1.237 -0.228
H10 -0.502 -2.038 -0.315
H11 -1.019 -1.231 1.208
H12 -2.113 -1.237 -0.228

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98501.88472.76582.76601.55543.04212.81893.75892.81923.04243.7591
O20.98502.86453.63653.63700.97173.76263.56314.67803.56393.76324.6784
O31.88472.86451.42801.42803.32562.10142.04072.09622.04072.10142.0962
C42.76583.63651.42802.36984.18681.10811.09961.10793.29682.65762.6628
C52.76603.63701.42802.36984.18692.65773.29682.66271.09961.10811.1079
H61.55540.97173.32564.18684.18694.50133.96865.16813.96874.50155.1681
H73.04213.76262.10141.10812.65774.50131.79961.80493.64352.46233.0577
H82.81893.56312.04071.09963.29683.96861.79961.80174.07613.64353.6510
H93.75894.67802.09621.10792.66275.16811.80491.80173.65103.05752.4739
H102.81923.56392.04073.29681.09963.96873.64354.07613.65101.79961.8016
H113.04243.76322.10142.65761.10814.50152.46233.64353.05751.79961.8049
H123.75914.67842.09622.66281.10795.16813.05773.65102.47391.80161.8049

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 105.287 H1 O3 C4 112.482
H1 O3 C5 112.497 O2 H1 O3 172.717
O3 C4 H7 111.284 O3 C4 H8 106.965
O3 C4 H9 110.872 O3 C5 H10 106.966
O3 C5 H11 111.284 O3 C5 H12 110.873
C4 O3 C5 112.151 H7 C4 H8 109.203
H7 C4 H9 109.069 H8 C4 H9 109.403
H10 C5 H11 109.204 H10 C5 H12 109.401
H11 C5 H12 109.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.291      
4 C -0.315      
5 C -0.315      
6 H 0.000      
7 H 0.146      
8 H 0.168      
9 H 0.146      
10 H 0.168      
11 H 0.146      
12 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.660 -0.001 -1.054 2.861
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.654 -0.004 -5.831
y -0.004 -24.859 0.002
z -5.831 0.002 -27.481
Traceless
 xyz
x -2.484 -0.004 -5.831
y -0.004 3.208 0.002
z -5.831 0.002 -0.724
Polar
3z2-r2-1.449
x2-y2-3.795
xy-0.004
xz-5.831
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.391 -0.005 0.025
y -0.005 5.404 -0.000
z 0.025 -0.000 4.384


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