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

using model chemistry: MP2_cp/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2_cp/aug-cc-pVTZ
 hartrees
Energy at 0K-231.075047
Energy at 298.15K-231.066143
Nuclear repulsion energy 
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 MP2/aug-cc-pVTZ
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 3907 3723 107.99      
2 A 3637 3466 448.70      
3 A 3188 3038 13.43      
4 A 3188 3038 13.76      
5 A 3116 2969 0.09      
6 A 3109 2963 69.27      
7 A 3040 2897 47.05      
8 A 3037 2894 38.47      
9 A 1650 1572 41.32      
10 A 1532 1459 6.65      
11 A 1518 1447 17.74      
12 A 1517 1446 9.43      
13 A 1506 1436 0.11      
14 A 1499 1428 0.23      
15 A 1470 1400 1.26      
16 A 1277 1217 6.80      
17 A 1207 1150 6.02      
18 A 1200 1143 84.03      
19 A 1175 1120 0.00      
20 A 1124 1071 47.48      
21 A 944 899 42.61      
22 A 660 629 46.98      
23 A 420 400 20.19      
24 A 376 358 88.10      
25 A 269 257 27.60      
26 A 197 187 0.03      
27 A 176 168 3.91      
28 A 108 103 96.90      
29 A 42 40 16.33      
30 A 40 38 16.38      

Unscaled Zero Point Vibrational Energy (zpe) 23063.4 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21977.1 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 MP2/aug-cc-pVTZ
ABC
0.30415 0.12566 0.09778

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.495 -0.000 -0.513
C2 0.963 1.169 0.142
C3 0.966 -1.168 0.142
H4 0.576 -2.023 -0.402
H5 0.610 -1.203 1.176
H6 0.572 2.023 -0.402
H7 2.056 1.200 0.136
H8 0.607 1.203 1.176
H9 2.058 -1.197 0.136
O10 -2.228 -0.001 0.173
H11 -1.345 -0.001 -0.233
H12 -2.838 -0.001 -0.570

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9 O10 H11 H12
O11.41991.41992.02772.07642.02772.07342.07642.07342.80791.86033.3333
C21.41992.33743.26152.61111.08601.09301.09342.60713.39952.61454.0407
C31.41992.33741.08601.09343.26152.60712.61121.09303.40092.61574.0422
H42.02773.26151.08601.77894.04633.58733.59131.78063.50482.79413.9715
H52.07642.61111.09341.77893.59132.99052.40541.78283.24172.69274.0474
H62.02771.08603.26154.04633.59131.78061.77883.58733.50252.79233.9690
H72.07341.09302.60713.58732.99051.78061.78282.39684.44953.62515.0885
H82.07641.09342.61123.59132.40541.77881.78282.99073.24002.69154.0457
H92.07342.60711.09301.78061.78283.58732.39682.99074.45073.62595.0897
O102.80793.39953.40093.50483.24173.50254.44953.24004.45070.97240.9605
H111.86032.61452.61572.79412.69272.79233.62512.69153.62590.97241.5310
H123.33334.04074.04223.97154.04743.96905.08854.04575.08970.96051.5310

picture of water dimethylether dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.476      
2 C -0.800      
3 C -0.801      
4 H 0.368      
5 H 0.327      
6 H 0.368      
7 H 0.339      
8 H 0.327      
9 H 0.339      
10 O -0.532      
11 H 0.349      
12 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.996 0.001 -0.602 2.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


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