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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-230.202887
Energy at 298.15K-230.210611
HF Energy-230.202887
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.038525
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/Def2TZVPP
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 4210 3816 132.38      
2 A 4072 3691 248.97      
3 A 3259 2954 31.05      
4 A 3257 2952 38.89      
5 A 3184 2886 131.17      
6 A 3183 2885 0.02      
7 A 3144 2850 70.04      
8 A 3131 2838 49.89      
9 A 1769 1603 70.25      
10 A 1637 1484 0.93      
11 A 1624 1472 2.64      
12 A 1621 1469 11.04      
13 A 1621 1469 11.67      
14 A 1609 1459 0.02      
15 A 1590 1441 5.52      
16 A 1395 1264 13.82      
17 A 1328 1203 151.29      
18 A 1306 1184 11.34      
19 A 1269 1150 0.00      
20 A 1218 1104 57.60      
21 A 1026 930 56.69      
22 A 557 505 96.49      
23 A 442 401 5.53      
24 A 285 258 81.94      
25 A 249 226 22.81      
26 A 197 179 0.01      
27 A 124 113 1.35      
28 A 113 102 121.90      
29 A 37 33 5.95      
30 A 24 21 4.27      

Unscaled Zero Point Vibrational Energy (zpe) 24238.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 21969.9 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/Def2TZVPP
ABC
0.32734 0.10075 0.08025

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.555 -0.348 0.077
O2 2.490 -0.217 0.131
O3 -0.435 -0.092 -0.201
C4 -0.696 1.274 0.032
C5 -1.506 -0.963 0.061
H6 2.819 -0.367 -0.736
H7 -1.411 1.432 0.831
H8 0.231 1.752 0.312
H9 -1.075 1.761 -0.859
H10 -1.177 -1.958 -0.190
H11 -1.794 -0.943 1.107
H12 -2.380 -0.725 -0.537

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94552.02612.77513.12191.50323.54062.49393.49933.18223.55424.0010
O20.94552.94673.51914.06510.93944.29293.00244.19584.07164.45364.9422
O32.02612.94671.41021.40463.30962.08322.02632.06782.00812.06962.0730
C42.77513.51911.41022.37923.95471.08381.07911.08463.27542.69802.6756
C53.12194.06511.40462.37924.43782.51693.23202.90701.07781.08511.0859
H61.50320.93943.30963.95474.43784.85683.50544.43954.33575.00135.2159
H73.54064.29292.08321.08382.51694.85681.75171.75503.54792.42152.7315
H82.49393.00242.02631.07913.23203.50541.75171.75433.99943.46363.6976
H93.49934.19582.06781.08462.90704.43951.75501.75433.78013.42022.8262
H103.18224.07162.00813.27541.07784.33573.54793.99943.78011.75841.7578
H113.55424.45362.06962.69801.08515.00132.42153.46363.42021.75841.7586
H124.00104.94222.07302.67561.08595.21592.73153.69762.82621.75781.7586

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 105.790 H1 O3 C4 106.339
H1 O3 C5 130.130 O2 H1 O3 164.070
O3 C4 H7 112.627 O3 C4 H8 108.236
O3 C4 H9 111.287 O3 C5 H10 107.254
O3 C5 H11 111.818 O3 C5 H12 112.050
C4 O3 C5 115.396 H7 C4 H8 108.162
H7 C4 H9 108.061 H8 C4 H9 108.341
H10 C5 H11 108.774 H10 C5 H12 108.658
H11 C5 H12 108.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262      
2 O -0.494      
3 O -0.422      
4 C 0.039      
5 C 0.039      
6 H 0.217      
7 H 0.054      
8 H 0.073      
9 H 0.053      
10 H 0.073      
11 H 0.054      
12 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.931 0.009 -1.293 3.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.328 0.046 -5.328
y 0.046 -24.212 -0.034
z -5.328 -0.034 -25.783
Traceless
 xyz
x -4.331 0.046 -5.328
y 0.046 3.343 -0.034
z -5.328 -0.034 0.988
Polar
3z2-r21.975
x2-y2-5.116
xy0.046
xz-5.328
yz-0.034


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.542 -0.003 -0.077
y -0.003 5.588 -0.003
z -0.077 -0.003 4.954


<r2> (average value of r2) Å2
<r2> 144.580
(<r2>)1/2 12.024