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

using model chemistry: HF_cp_opt/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-230.191868
Energy at 298.15K-230.199603
Nuclear repulsion energy84.753118
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 HF_cp_opt/6-311+G(3df,2pd)
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 4225 3844 143.24      
2 A 4086 3718 252.83      
3 A 3255 2963 29.70      
4 A 3253 2961 37.29      
5 A 3180 2894 124.97      
6 A 3179 2893 0.52      
7 A 3140 2857 69.46      
8 A 3127 2845 51.22      
9 A 1766 1607 70.02      
10 A 1637 1490 1.58      
11 A 1625 1479 2.85      
12 A 1622 1476 12.85      
13 A 1621 1475 10.83      
14 A 1611 1466 0.01      
15 A 1590 1447 4.71      
16 A 1395 1270 13.78      
17 A 1330 1210 149.49      
18 A 1306 1188 11.08      
19 A 1268 1154 0.00      
20 A 1218 1109 57.18      
21 A 1027 935 54.89      
22 A 554 504 89.15      
23 A 443 403 5.67      
24 A 292 266 83.26      
25 A 252 229 20.18      
26 A 197 180 0.01      
27 A 120 109 1.42      
28 A 110 100 120.68      
29 A 38 35 6.86      
30 A 29 26 7.05      

Unscaled Zero Point Vibrational Energy (zpe) 24246.8 cm-1
Scaled (by 0.91) Zero Point Vibrational Energy (zpe) 22064.6 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 HF_cp_opt/6-311+G(3df,2pd)
ABC
0.32708 0.09997 0.07982

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF_cp_opt/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.630 -0.009 0.009
O2 2.567 -0.005 0.131
O3 -0.426 -0.003 -0.184
C4 -1.134 1.174 0.044
C5 -1.156 -1.166 0.045
H6 2.945 -0.017 -0.729
H7 -1.475 1.234 1.073
H8 -0.472 2.003 -0.155
H9 -1.996 1.245 -0.614
H10 -0.509 -2.007 -0.153
H11 -1.497 -1.219 1.075
H12 -2.019 -1.221 -0.612

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94482.06523.00733.01691.50763.51002.91453.88742.93173.51853.8954
O20.94483.00963.88563.90080.93934.33153.65364.78973.68154.34564.8028
O32.06523.00961.39231.39223.41442.05222.00652.05122.00652.05222.0511
C43.00733.88561.39232.34014.31881.08631.07941.08653.24812.63082.6367
C53.01693.90081.39222.34014.32842.63063.24802.63681.07951.08631.0865
H61.50760.93933.41444.31884.32844.93424.01015.10074.02794.94275.1094
H73.51004.33152.05221.08632.63064.93421.76211.76613.59762.45313.0279
H82.91453.65362.00651.07943.24804.01011.76211.76334.01043.59763.6057
H93.88744.78972.05121.08652.63685.10071.76611.76333.60573.02842.4665
H102.93173.68152.00653.24811.07954.02793.59764.01043.60571.76211.7633
H113.51854.34562.05222.63081.08634.94272.45313.59763.02841.76211.7661
H123.89544.80282.05112.63671.08655.10943.02793.60572.46651.76331.7661

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 106.292 H1 O3 C4 119.594
H1 O3 C5 120.266 O2 H1 O3 177.917
O3 C4 H7 111.183 O3 C4 H8 107.870
O3 C4 H9 111.087 O3 C5 H10 107.874
O3 C5 H11 111.187 O3 C5 H12 111.092
C4 O3 C5 114.364 H7 C4 H8 108.903
H7 C4 H9 108.747 H8 C4 H9 109.001
H10 C5 H11 108.901 H10 C5 H12 108.994
H11 C5 H12 108.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.788      
4 C 0.368      
5 C 0.368      
6 H 0.000      
7 H 0.007      
8 H 0.013      
9 H 0.007      
10 H 0.013      
11 H 0.007      
12 H 0.007      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.855 -0.011 -1.234 3.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.597 0.020 -0.029
y 0.020 -17.312 -0.004
z -0.029 -0.004 -20.138
Traceless
 xyz
x 0.128 0.020 -0.029
y 0.020 2.055 -0.004
z -0.029 -0.004 -2.183
Polar
3z2-r2-4.366
x2-y2-1.285
xy0.020
xz-0.029
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.140 0.009 -0.010
y 0.009 5.106 -0.000
z -0.010 -0.000 4.109


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