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

using model chemistry: HF_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 HF_cp_opt/6-31+G**
 hartrees
Energy at 0K-230.117009
Energy at 298.15K-230.124797
Nuclear repulsion energy84.485666
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/6-31+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 4244 3837 154.74      
2 A 4087 3696 254.72      
3 A 3293 2978 31.35      
4 A 3292 2976 37.74      
5 A 3217 2909 135.54      
6 A 3216 2908 0.01      
7 A 3169 2865 72.95      
8 A 3156 2853 56.09      
9 A 1756 1588 92.96      
10 A 1643 1486 0.56      
11 A 1628 1472 2.74      
12 A 1627 1472 11.48      
13 A 1626 1470 11.21      
14 A 1615 1461 0.00      
15 A 1594 1441 7.42      
16 A 1393 1260 15.30      
17 A 1330 1203 163.25      
18 A 1304 1179 13.47      
19 A 1268 1147 0.00      
20 A 1219 1102 51.27      
21 A 1026 927 60.85      
22 A 574 519 129.72      
23 A 442 400 5.94      
24 A 297 268 103.73      
25 A 253 229 27.00      
26 A 201 182 0.01      
27 A 131 118 1.32      
28 A 118 106 148.91      
29 A 40 36 8.82      
30 A 29 26 10.06      

Unscaled Zero Point Vibrational Energy (zpe) 24392.6 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 22055.8 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/6-31+G**
ABC
0.32463 0.10033 0.07995

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.620 -0.000 0.025
O2 -2.562 -0.000 0.131
O3 0.423 -0.000 -0.190
C4 1.144 -1.175 0.046
C5 1.144 1.175 0.046
H6 -2.937 -0.000 -0.733
H7 1.474 -1.229 1.081
H8 0.486 -2.008 -0.159
H9 2.012 -1.236 -0.607
H10 0.486 2.008 -0.159
H11 1.474 1.229 1.081
H12 2.012 1.236 -0.607

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94832.05403.00293.00291.52003.49292.91613.88792.91613.49293.8879
O20.94833.00233.88843.88840.94234.32503.66214.79523.66214.32504.7952
O32.05403.00231.39831.39833.40412.05692.00962.05582.00962.05692.0558
C43.00293.88841.39832.34974.31771.08781.08111.08793.25682.63812.6443
C53.00293.88841.39832.34974.31772.63813.25682.64431.08111.08781.0879
H61.52000.94233.40414.31774.31774.92604.01085.10304.01084.92605.1030
H73.49294.32502.05691.08782.63814.92601.76641.77093.60492.45843.0354
H82.91613.66212.00961.08113.25684.01081.76641.76764.01683.60493.6130
H93.88794.79522.05581.08792.64435.10301.77091.76763.61303.03542.4720
H102.91613.66212.00963.25681.08114.01083.60494.01683.61301.76641.7676
H113.49294.32502.05692.63811.08784.92602.45843.60493.03541.76641.7709
H123.88794.79522.05582.64431.08795.10303.03543.61302.47201.76761.7709

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 107.028 H1 O3 C4 119.665
H1 O3 C5 119.665 O2 H1 O3 179.551
O3 C4 H7 111.046 O3 C4 H8 107.614
O3 C4 H9 110.944 O3 C5 H10 107.614
O3 C5 H11 111.046 O3 C5 H12 110.944
C4 O3 C5 114.326 H7 C4 H8 109.061
H7 C4 H9 108.971 H8 C4 H9 109.162
H10 C5 H11 109.061 H10 C5 H12 109.162
H11 C5 H12 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.457      
4 C -0.111      
5 C -0.111      
6 H 0.000      
7 H 0.104      
8 H 0.132      
9 H 0.104      
10 H 0.132      
11 H 0.104      
12 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.128 0.000 -1.376 3.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.476 0.000 5.970
y 0.000 -24.267 0.000
z 5.970 0.000 -26.184
Traceless
 xyz
x -4.251 0.000 5.970
y 0.000 3.562 0.000
z 5.970 0.000 0.688
Polar
3z2-r21.377
x2-y2-5.209
xy0.000
xz5.970
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.789 0.001 0.008
y 0.001 4.547 0.000
z 0.008 0.000 3.806


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