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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-231.155999
Energy at 298.15K-231.164104
Counterpoise corrected energy-231.151992
CP Energy at 298.15K-231.159750
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy134.169847
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 PBEPBEultrafine/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 3705 3643 53.37      
2 A 3522 3464 222.14      
3 A 3094 3043 5.73      
4 A 3078 3028 23.13      
5 A 2984 2934 23.46      
6 A 2974 2925 100.07      
7 A 2933 2884 68.21      
8 A 2921 2872 52.65      
9 A 1702 1674 68.33      
10 A 1500 1475 0.76      
11 A 1479 1454 15.22      
12 A 1472 1448 11.71      
13 A 1462 1438 2.79      
14 A 1457 1433 2.81      
15 A 1429 1405 2.86      
16 A 1241 1220 1.52      
17 A 1173 1154 37.32      
18 A 1166 1147 58.28      
19 A 1137 1118 0.10      
20 A 1100 1082 37.74      
21 A 931 915 44.97      
22 A 667 656 207.53      
23 A 411 404 2.81      
24 A 294 289 68.94      
25 A 263 259 36.15      
26 A 231 227 4.49      
27 A 197 194 80.52      
28 A 174 171 1.08      
29 A 111 109 10.44      
30 A 51 50 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 22427.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22057.3 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 PBEPBEultrafine/6-31G*
ABC
0.37460 0.10750 0.08798

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.417 -0.552 0.130
O2 2.374 -0.318 0.142
O3 -0.417 -0.160 -0.230
C4 -0.423 1.241 0.028
C5 -1.662 -0.770 0.075
H6 2.630 -0.440 -0.792
H7 -0.724 1.460 1.074
H8 0.612 1.581 -0.126
H9 -1.113 1.774 -0.658
H10 -1.560 -1.843 -0.146
H11 -1.931 -0.641 1.144
H12 -2.481 -0.349 -0.545

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98551.90992.57173.08751.52803.08602.29493.52603.25703.49913.9615
O20.98552.82043.20444.06220.97663.69162.60494.14424.22974.43194.9038
O31.90992.82041.42481.41953.11092.10182.02492.09922.03672.10032.0964
C42.57173.20441.42482.36243.58041.10981.10001.10933.29222.65732.6630
C53.08754.06221.41952.36244.39102.61683.27672.70321.10101.11021.1099
H61.52800.97663.11093.58044.39104.28262.93284.35034.46584.95875.1175
H73.08603.69162.10181.10982.61684.28261.80001.80273.61902.42352.9963
H82.29492.60492.02491.10003.27672.93281.80001.81484.05523.60783.6693
H93.52604.14422.09921.10932.70324.35031.80271.81483.68063.12232.5277
H103.25704.22972.03673.29221.10104.46583.61904.05523.68061.80201.8005
H113.49914.43192.10032.65731.11024.95872.42353.60783.12231.80201.8007
H123.96154.90382.09642.66301.10995.11752.99633.66932.52771.80051.8007

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 102.287 H1 O3 C4 99.898
H1 O3 C5 135.539 O2 H1 O3 152.381
O3 C4 H7 111.437 O3 C4 H8 105.928
O3 C4 H9 111.256 O3 C5 H10 107.136
O3 C5 H11 111.664 O3 C5 H12 111.372
C4 O3 C5 112.316 H7 C4 H8 109.086
H7 C4 H9 108.651 H8 C4 H9 110.453
H10 C5 H11 109.163 H10 C5 H12 109.052
H11 C5 H12 108.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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
  -2.689 0.107 -1.097 2.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.934 0.481 -4.751
y 0.481 -24.328 0.586
z -4.751 0.586 -25.694
Traceless
 xyz
x -3.923 0.481 -4.751
y 0.481 2.986 0.586
z -4.751 0.586 0.937
Polar
3z2-r21.873
x2-y2-4.606
xy0.481
xz-4.751
yz0.586


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.734 0.171 -0.141
y 0.171 5.016 0.015
z -0.141 0.015 4.526


<r2> (average value of r2) Å2
<r2> 134.469
(<r2>)1/2 11.596