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

using model chemistry: PBEPBE_cp/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 PBEPBE_cp/6-31G*
 hartrees
Energy at 0K-231.150834
Energy at 298.15K-231.142277
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 PBEPBE/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 3706 3653 52.84      
2 A 3523 3472 222.39      
3 A 3094 3050 5.71      
4 A 3079 3035 23.13      
5 A 2984 2941 28.12      
6 A 2973 2930 95.29      
7 A 2933 2891 67.55      
8 A 2920 2878 53.18      
9 A 1702 1678 68.16      
10 A 1500 1478 0.87      
11 A 1479 1458 15.06      
12 A 1472 1451 12.24      
13 A 1462 1441 2.67      
14 A 1456 1435 2.47      
15 A 1429 1408 2.86      
16 A 1240 1222 1.53      
17 A 1173 1156 37.60      
18 A 1167 1150 58.55      
19 A 1137 1121 0.09      
20 A 1100 1084 37.15      
21 A 931 917 45.15      
22 A 666 656 208.05      
23 A 411 405 2.79      
24 A 292 288 66.57      
25 A 262 258 38.27      
26 A 230 226 4.81      
27 A 198 195 79.22      
28 A 174 171 1.23      
29 A 113 112 10.71      
30 A 54 53 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 22427.8 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 22107.0 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/6-31G*
ABC
0.37482 0.10748 0.08799

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.417 -0.553 0.129
O2 2.374 -0.318 0.143
O3 -0.418 -0.160 -0.232
C4 -0.421 1.241 0.029
C5 -1.663 -0.768 0.076
H6 2.631 -0.439 -0.792
H7 -0.722 1.457 1.075
H8 0.614 1.579 -0.126
H9 -1.111 1.776 -0.656
H10 -1.562 -1.843 -0.144
H11 -1.929 -0.638 1.146
H12 -2.483 -0.347 -0.543

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98551.91072.57023.08781.52803.08372.29243.52513.25793.49783.9624
O20.98552.82133.20284.06250.97663.68872.60214.14324.23084.42974.9050
O31.91072.82131.42501.41953.11252.10142.02512.09942.03672.10012.0965
C42.57023.20281.42502.36223.57961.10971.10001.10933.29212.65542.6641
C53.08784.06251.41952.36224.39322.61453.27642.70441.10101.11031.1099
H61.52800.97663.11253.57964.39324.28062.93054.35034.46934.95855.1209
H73.08373.68872.10141.10972.61454.28061.80011.80263.61642.41902.9952
H82.29242.60212.02511.10003.27642.93051.80011.81484.05513.60533.6706
H93.52514.14322.09941.10932.70444.35031.80261.81483.68223.12182.5304
H103.25794.23082.03673.29211.10104.46933.61644.05513.68221.80211.8005
H113.49784.42972.10012.65541.11034.95852.41903.60533.12181.80211.8007
H123.96244.90502.09652.66411.10995.12092.99523.67062.53041.80051.8007

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 PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.399      
2 O -0.796      
3 O -0.417      
4 C -0.267      
5 C -0.254      
6 H 0.369      
7 H 0.150      
8 H 0.189      
9 H 0.149      
10 H 0.176      
11 H 0.152      
12 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.682 0.110 -1.095 2.899
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