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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-230.172249
Energy at 298.15K-230.180997
Counterpoise corrected energy-230.158823
CP Energy at 298.15K-230.166692
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy134.981154
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/3-21G
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 3511 3388 31.64      
2 A 3297 3182 230.31      
3 A 3149 3038 2.12      
4 A 3136 3026 21.75      
5 A 3065 2958 54.99      
6 A 3053 2946 60.78      
7 A 3014 2908 65.41      
8 A 3004 2899 35.51      
9 A 1727 1666 66.14      
10 A 1588 1532 3.79      
11 A 1583 1527 5.35      
12 A 1566 1511 17.61      
13 A 1551 1496 6.44      
14 A 1514 1460 6.95      
15 A 1477 1425 6.94      
16 A 1265 1221 1.85      
17 A 1184 1142 3.57      
18 A 1167 1126 44.23      
19 A 1153 1113 0.21      
20 A 1076 1039 63.69      
21 A 901 869 78.22      
22 A 871 840 285.23      
23 A 418 404 6.19      
24 A 376 363 67.15      
25 A 358 345 95.03      
26 A 264 255 54.71      
27 A 243 234 0.30      
28 A 229 221 5.67      
29 A 167 161 17.40      
30 A 68 65 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 22986.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22179.7 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/3-21G
ABC
0.40380 0.11190 0.09177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.290 -0.666 0.155
O2 2.259 -0.396 0.123
O3 -0.395 -0.220 -0.106
C4 -0.200 1.229 0.007
C5 -1.785 -0.627 0.032
H6 2.499 -0.484 -0.840
H7 -0.632 1.619 0.939
H8 0.887 1.321 0.024
H9 -0.642 1.759 -0.846
H10 -1.798 -1.716 -0.043
H11 -2.199 -0.323 1.003
H12 -2.408 -0.199 -0.766

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H11.00621.76302.41543.07781.57613.08742.03243.25893.26743.60763.8402
O21.00622.66982.94964.05150.99613.61712.20053.74184.26914.54504.7555
O31.76302.66981.46611.45462.99742.12842.00882.12742.05162.12052.1189
C42.41542.94961.46612.44043.30691.09851.09081.09803.35062.72002.7415
C53.07784.05151.45462.44044.37392.68283.30652.78741.09191.09921.0989
H61.57610.99612.99743.30694.37394.17002.56983.85994.54005.04954.9163
H73.08743.61712.12841.09852.68284.17001.79791.79073.66722.49693.0612
H82.03242.20052.00881.09083.30652.56981.79791.81284.05413.63163.7143
H93.25893.74182.12741.09802.78743.85991.79071.81283.74923.19102.6389
H103.26744.26912.05163.35061.09194.54003.66724.05413.74921.78821.7873
H113.60764.54502.12052.72001.09925.04952.49693.63163.19101.78821.7858
H123.84024.75552.11892.74151.09894.91633.06123.71432.63891.78731.7858

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 103.834 H1 O3 C4 96.402
H1 O3 C5 145.944 O2 H1 O3 147.955
O3 C4 H7 111.371 O3 C4 H8 102.565
O3 C4 H9 111.325 O3 C5 H10 106.479
O3 C5 H11 111.509 O3 C5 H12 111.396
C4 O3 C5 113.348 H7 C4 H8 110.413
H7 C4 H9 109.228 H8 C4 H9 111.831
H10 C5 H11 109.396 H10 C5 H12 109.340
H11 C5 H12 108.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.350      
2 O -0.671      
3 O -0.494      
4 C -0.347      
5 C -0.307      
6 H 0.307      
7 H 0.180      
8 H 0.226      
9 H 0.177      
10 H 0.211      
11 H 0.185      
12 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.994 0.298 -1.339 3.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.218 0.786 -4.596
y 0.786 -24.069 0.687
z -4.596 0.687 -25.313
Traceless
 xyz
x -3.528 0.786 -4.596
y 0.786 2.697 0.687
z -4.596 0.687 0.831
Polar
3z2-r21.662
x2-y2-4.150
xy0.786
xz-4.596
yz0.687


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.318 0.198 -0.286
y 0.198 4.371 0.048
z -0.286 0.048 4.006


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