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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-231.445126
Energy at 298.15K-231.453185
Counterpoise corrected energy-231.441634
CP Energy at 298.15K-231.449404
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy134.232106
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 B3LYP/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 3810 3659 67.86      
2 A 3654 3509 214.95      
3 A 3165 3039 9.45      
4 A 3144 3019 26.83      
5 A 3057 2936 36.00      
6 A 3051 2929 89.95      
7 A 3010 2891 65.18      
8 A 2998 2879 47.60      
9 A 1735 1666 70.84      
10 A 1547 1485 0.64      
11 A 1528 1467 13.00      
12 A 1523 1463 10.85      
13 A 1514 1454 2.35      
14 A 1510 1450 1.45      
15 A 1482 1423 5.08      
16 A 1283 1233 3.07      
17 A 1213 1165 55.66      
18 A 1208 1160 47.55      
19 A 1175 1129 0.04      
20 A 1129 1084 50.55      
21 A 948 911 48.75      
22 A 656 630 201.84      
23 A 419 402 3.44      
24 A 293 281 77.47      
25 A 254 244 28.27      
26 A 222 213 3.53      
27 A 182 175 92.71      
28 A 168 162 5.26      
29 A 99 95 10.11      
30 A 48 46 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 23011.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 22098.1 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 B3LYP/6-31G*
ABC
0.36882 0.10688 0.08705

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.442 -0.517 0.111
O2 2.393 -0.302 0.139
O3 -0.419 -0.147 -0.214
C4 -0.468 1.250 0.027
C5 -1.639 -0.803 0.069
H6 2.681 -0.448 -0.774
H7 -0.775 1.467 1.062
H8 0.545 1.625 -0.131
H9 -1.168 1.748 -0.661
H10 -1.493 -1.866 -0.141
H11 -1.927 -0.680 1.125
H12 -2.455 -0.421 -0.563

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97561.92472.60363.09461.52473.12302.33533.54093.23933.52213.9558
O20.97562.83783.25654.06380.96843.74352.68344.18554.19784.44754.8996
O31.92472.83781.41921.41443.16402.08812.01902.08612.02772.08662.0838
C42.60363.25651.41922.36453.66611.10061.09141.10043.28442.65742.6624
C53.09464.06381.41442.36454.41602.62383.27222.69511.09281.10101.1008
H61.52470.96843.16403.66614.41604.35643.04524.43244.45314.98975.1400
H73.12303.74352.08811.10062.62384.35641.78591.78913.61452.43753.0041
H82.33532.68342.01901.09143.27223.04521.78591.79694.04183.60603.6564
H93.54094.18552.08611.10042.69514.43241.78911.79693.66513.10822.5235
H103.23934.19782.02773.28441.09284.45313.61454.04183.66511.78761.7866
H113.52214.44752.08662.65741.10104.98972.43753.60603.10821.78761.7876
H123.95584.89962.08382.66241.10085.14003.00413.65642.52351.78661.7876

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 103.314 H1 O3 C4 101.189
H1 O3 C5 135.316 O2 H1 O3 154.760
O3 C4 H7 111.304 O3 C4 H8 106.339
O3 C4 H9 111.151 O3 C5 H10 107.252
O3 C5 H11 111.495 O3 C5 H12 111.273
C4 O3 C5 113.117 H7 C4 H8 109.127
H7 C4 H9 108.749 H8 C4 H9 110.138
H10 C5 H11 109.146 H10 C5 H12 109.070
H11 C5 H12 108.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.414      
2 O -0.819      
3 O -0.463      
4 C -0.209      
5 C -0.196      
6 H 0.376      
7 H 0.139      
8 H 0.179      
9 H 0.137      
10 H 0.164      
11 H 0.140      
12 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.778 0.102 -1.136 3.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.807 0.311 -4.903
y 0.311 -24.086 0.624
z -4.903 0.624 -25.661
Traceless
 xyz
x -3.934 0.311 -4.903
y 0.311 3.148 0.624
z -4.903 0.624 0.786
Polar
3z2-r21.572
x2-y2-4.722
xy0.311
xz-4.903
yz0.624


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.409 0.193 -0.148
y 0.193 4.806 0.034
z -0.148 0.034 4.380


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