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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-231.195326
Energy at 298.15K-231.203448
Nuclear repulsion energy135.195134
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 HSEh1PBE/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 3875 3686 72.75      
2 A 3699 3518 248.25      
3 A 3189 3033 8.07      
4 A 3173 3018 23.99      
5 A 3086 2935 21.23      
6 A 3079 2928 95.14      
7 A 3030 2881 61.20      
8 A 3019 2871 47.19      
9 A 1743 1658 74.52      
10 A 1547 1471 1.30      
11 A 1527 1452 14.80      
12 A 1523 1448 13.61      
13 A 1514 1440 2.72      
14 A 1509 1435 1.42      
15 A 1481 1408 2.30      
16 A 1289 1226 4.05      
17 A 1236 1176 119.85      
18 A 1214 1155 7.23      
19 A 1180 1122 0.06      
20 A 1146 1090 24.11      
21 A 980 932 50.05      
22 A 670 637 208.85      
23 A 424 403 3.28      
24 A 300 286 77.66      
25 A 259 246 30.13      
26 A 225 214 3.77      
27 A 185 176 88.14      
28 A 175 166 15.42      
29 A 103 98 11.16      
30 A 48 45 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 23213.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 22075.9 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 HSEh1PBE/6-31G*
ABC
0.37522 0.10908 0.08895

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.416 -0.517 0.110
O2 2.364 -0.301 0.141
O3 -0.414 -0.148 -0.228
C4 -0.453 1.237 0.028
C5 -1.627 -0.789 0.074
H6 2.658 -0.457 -0.764
H7 -0.740 1.443 1.070
H8 0.557 1.613 -0.143
H9 -1.165 1.744 -0.640
H10 -1.500 -1.851 -0.147
H11 -1.892 -0.671 1.136
H12 -2.451 -0.392 -0.537

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97291.89712.56463.05541.52053.06782.31123.51233.21703.46693.9230
O20.97292.80653.21154.02140.96443.67942.64784.15254.17354.38654.8636
O31.89712.80651.40941.40483.13422.07922.01332.07742.02152.07802.0749
C42.56463.21151.40942.34223.63031.10031.09131.10003.26572.63432.6393
C53.05544.02141.40482.34224.37952.60023.25412.67261.09231.10071.1004
H61.52050.96443.13423.63034.37954.30383.01474.41334.42944.93605.1152
H73.06783.67942.07921.10032.60024.30381.78431.78793.59322.40862.9798
H82.31122.64782.01331.09133.25413.01471.78431.79634.02933.58523.6365
H93.51234.15252.07741.10002.67264.41331.78791.79633.64483.08532.4959
H103.21704.17352.02153.26571.09234.42943.59324.02933.64481.78651.7853
H113.46694.38652.07802.63431.10074.93602.40863.58523.08531.78651.7862
H123.92304.86362.07492.63931.10045.11522.97983.63652.49591.78531.7862

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 103.410 H1 O3 C4 100.689
H1 O3 C5 134.909 O2 H1 O3 154.471
O3 C4 H7 111.294 O3 C4 H8 106.546
O3 C4 H9 111.157 O3 C5 H10 107.437
O3 C5 H11 111.497 O3 C5 H12 111.255
C4 O3 C5 112.669 H7 C4 H8 109.007
H7 C4 H9 108.689 H8 C4 H9 110.116
H10 C5 H11 109.102 H10 C5 H12 109.013
H11 C5 H12 108.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.428      
2 O -0.845      
3 O -0.470      
4 C -0.274      
5 C -0.261      
6 H 0.390      
7 H 0.160      
8 H 0.203      
9 H 0.159      
10 H 0.188      
11 H 0.162      
12 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.762 0.084 -1.129 2.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.601 0.282 -4.955
y 0.282 -24.000 0.645
z -4.955 0.645 -25.630
Traceless
 xyz
x -3.786 0.282 -4.955
y 0.282 3.115 0.645
z -4.955 0.645 0.670
Polar
3z2-r21.341
x2-y2-4.601
xy0.282
xz-4.955
yz0.645


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.344 0.177 -0.132
y 0.177 4.753 0.031
z -0.132 0.031 4.360


<r2> (average value of r2) Å2
<r2> 133.045
(<r2>)1/2 11.535