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

using model chemistry: B3LYP_cp_opt/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_cp_opt/6-31G*
 hartrees
Energy at 0K-231.441634
Energy at 298.15K-231.449404
Nuclear repulsion energy83.593283
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_cp_opt/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 3812 3660 62.96      
2 A 3639 3495 280.42      
3 A 3145 3020 24.12      
4 A 3144 3019 26.58      
5 A 3053 2932 0.01      
6 A 3050 2929 126.09      
7 A 3008 2889 60.09      
8 A 2996 2877 47.79      
9 A 1741 1672 61.63      
10 A 1547 1486 0.61      
11 A 1527 1466 13.26      
12 A 1520 1460 10.50      
13 A 1518 1457 1.62      
14 A 1510 1450 0.01      
15 A 1485 1426 7.53      
16 A 1283 1232 5.78      
17 A 1211 1162 5.62      
18 A 1208 1160 97.81      
19 A 1174 1128 0.00      
20 A 1131 1086 51.10      
21 A 949 911 48.13      
22 A 604 580 94.94      
23 A 420 403 6.52      
24 A 324 312 94.44      
25 A 253 243 18.44      
26 A 213 205 0.01      
27 A 152 146 2.08      
28 A 112 108 111.80      
29 A 39 38 7.79      
30 A 29 28 8.85      

Unscaled Zero Point Vibrational Energy (zpe) 22897.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 21988.6 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_cp_opt/6-31G*
ABC
0.31473 0.10652 0.08424

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP_cp_opt/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.513 -0.000 -0.020
O2 2.473 -0.000 0.157
O3 -0.422 -0.000 -0.320
C4 -1.098 1.178 0.081
C5 -1.099 -1.178 0.081
H6 2.866 -0.001 -0.728
H7 -1.208 1.228 1.175
H8 -0.496 2.026 -0.256
H9 -2.097 1.240 -0.377
H10 -0.498 -2.026 -0.256
H11 -1.209 -1.228 1.175
H12 -2.098 -1.239 -0.377

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97591.95812.86602.86661.52683.21602.86323.83382.86423.21653.8343
O20.97592.93383.76063.76140.96804.01203.61814.76513.61944.01274.7658
O31.95812.93381.41611.41613.31302.08862.02842.08502.02842.08862.0850
C42.86603.76061.41612.35574.21341.10091.09271.10093.27712.64532.6555
C52.86663.76141.41612.35574.21382.64533.27712.65551.09281.10091.1009
H61.52680.96803.31304.21344.21384.66153.95395.12773.95474.66185.1281
H73.21604.01202.08861.10092.64534.66151.78631.78823.62532.45603.0472
H82.86323.61812.02841.09273.27713.95391.78631.78744.05203.62533.6386
H93.83384.76512.08501.10092.65555.12771.78821.78743.63863.04732.4789
H102.86423.61942.02843.27711.09283.95473.62534.05203.63861.78641.7874
H113.21654.01272.08862.64531.10094.66182.45603.62533.04731.78641.7882
H123.83434.76582.08502.65551.10095.12813.04723.63862.47891.78741.7882

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 103.519 H1 O3 C4 115.353
H1 O3 C5 115.390 O2 H1 O3 178.377
O3 C4 H7 111.545 O3 C4 H8 107.199
O3 C4 H9 111.249 O3 C5 H10 107.200
O3 C5 H11 111.545 O3 C5 H12 111.249
C4 O3 C5 112.563 H7 C4 H8 109.040
H7 C4 H9 108.616 H8 C4 H9 109.141
H10 C5 H11 109.040 H10 C5 H12 109.141
H11 C5 H12 108.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.451      
4 C -0.191      
5 C -0.191      
6 H 0.000      
7 H 0.128      
8 H 0.160      
9 H 0.130      
10 H 0.158      
11 H 0.128      
12 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.925 -0.001 -1.108 3.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.626 0.001 -0.217
y 0.001 -16.979 -0.000
z -0.217 -0.000 -20.296
Traceless
 xyz
x 0.012 0.001 -0.217
y 0.001 2.482 -0.000
z -0.217 -0.000 -2.494
Polar
3z2-r2-4.988
x2-y2-1.647
xy0.001
xz-0.217
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.831 0.434 0.005
y 0.434 4.352 -0.025
z 0.005 -0.025 3.617


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