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

using model chemistry: HF_cp_opt/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF_cp_opt/6-31G*
 hartrees
Energy at 0K-230.082293
Energy at 298.15K-230.090079
Nuclear repulsion energy84.594128
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 HF_cp_opt/6-31G*
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 4161 3738 120.95      
2 A 4027 3618 204.49      
3 A 3313 2976 39.69      
4 A 3311 2975 41.81      
5 A 3239 2910 150.18      
6 A 3237 2908 0.01      
7 A 3193 2869 59.69      
8 A 3179 2857 47.80      
9 A 1853 1665 98.44      
10 A 1669 1499 0.05      
11 A 1651 1484 9.37      
12 A 1651 1484 1.49      
13 A 1650 1483 7.73      
14 A 1638 1472 0.00      
15 A 1613 1450 14.56      
16 A 1406 1264 15.03      
17 A 1341 1205 159.70      
18 A 1317 1183 13.04      
19 A 1280 1150 0.00      
20 A 1231 1106 50.73      
21 A 1037 932 56.13      
22 A 572 514 135.25      
23 A 447 402 5.64      
24 A 297 267 95.50      
25 A 258 232 27.09      
26 A 208 187 0.01      
27 A 131 118 1.31      
28 A 108 97 127.40      
29 A 41 36 7.24      
30 A 29 26 9.51      

Unscaled Zero Point Vibrational Energy (zpe) 24543.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 22052.6 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 HF_cp_opt/6-31G*
ABC
0.32637 0.09999 0.07984

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.622 -0.000 0.054
O2 2.571 0.000 0.131
O3 -0.420 -0.000 -0.187
C4 -1.145 1.171 0.045
C5 -1.146 -1.171 0.045
H6 2.892 -0.001 -0.760
H7 -1.485 1.226 1.076
H8 -0.490 2.007 -0.154
H9 -2.010 1.233 -0.612
H10 -0.490 -2.007 -0.154
H11 -1.486 -1.225 1.076
H12 -2.010 -1.232 -0.612

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.95192.05653.00473.00501.50833.49342.92073.89272.92123.49363.8929
O20.95193.00793.89703.89730.94674.34153.67094.80133.67154.34184.8016
O32.05653.00791.39631.39633.36152.05722.00832.05592.00832.05722.0559
C43.00473.89701.39632.34124.28011.08741.08101.08763.25042.63082.6370
C53.00503.89731.39632.34124.27982.63083.25042.63701.08101.08741.0876
H61.50830.94673.36154.28014.27984.90283.97935.05683.97874.90255.0565
H73.49344.34152.05721.08742.63084.90281.76511.76793.59922.45123.0279
H82.92073.67092.00831.08103.25043.97931.76511.76614.01373.59923.6074
H93.89274.80132.05591.08762.63705.05681.76791.76613.60743.02792.4651
H102.92123.67152.00833.25041.08103.97873.59924.01373.60741.76511.7661
H113.49364.34182.05722.63081.08744.90252.45123.59923.02791.76511.7679
H123.89294.80162.05592.63701.08765.05653.02793.60742.46511.76611.7679

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 105.200 H1 O3 C4 119.747
H1 O3 C5 119.764 O2 H1 O3 177.908
O3 C4 H7 111.238 O3 C4 H8 107.648
O3 C4 H9 111.120 O3 C5 H10 107.648
O3 C5 H11 111.238 O3 C5 H12 111.120
C4 O3 C5 113.928 H7 C4 H8 108.980
H7 C4 H9 108.749 H8 C4 H9 109.058
H10 C5 H11 108.980 H10 C5 H12 109.058
H11 C5 H12 108.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.597      
4 C -0.159      
5 C -0.159      
6 H 0.000      
7 H 0.140      
8 H 0.177      
9 H 0.141      
10 H 0.177      
11 H 0.140      
12 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.227 -0.002 -1.324 3.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.724 -0.007 -5.723
y -0.007 -23.619 0.002
z -5.723 0.002 -25.706
Traceless
 xyz
x -5.062 -0.007 -5.723
y -0.007 4.096 0.002
z -5.723 0.002 0.965
Polar
3z2-r21.931
x2-y2-6.105
xy-0.007
xz-5.723
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.477 0.253 0.026
y 0.253 4.063 -0.020
z 0.026 -0.020 3.453


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