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

using model chemistry: B3LYP_cp/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_cp/3-21G
 hartrees
Energy at 0K-230.154933
Energy at 298.15K-230.146915
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 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
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


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