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

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-231.197015
Energy at 298.15K-231.204950
Counterpoise corrected energy-231.195706
CP Energy at 298.15K-231.203508
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy134.023035
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 PBEPBEultrafine/6-31+G**
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 3793 3750 77.53      
2 A 3489 3450 560.21      
3 A 3085 3049 14.99      
4 A 3084 3049 15.56      
5 A 2995 2961 0.03      
6 A 2988 2954 99.93      
7 A 2935 2901 70.86      
8 A 2927 2893 55.37      
9 A 1597 1579 41.19      
10 A 1465 1449 5.36      
11 A 1447 1431 15.16      
12 A 1445 1428 19.79      
13 A 1437 1420 0.69      
14 A 1434 1418 0.10      
15 A 1411 1395 0.71      
16 A 1225 1212 5.01      
17 A 1155 1141 3.69      
18 A 1146 1133 79.93      
19 A 1123 1110 0.03      
20 A 1083 1071 48.93      
21 A 909 898 52.05      
22 A 687 679 67.14      
23 A 407 402 18.75      
24 A 371 367 92.72      
25 A 259 256 28.16      
26 A 202 200 0.24      
27 A 173 171 2.70      
28 A 121 119 123.73      
29 A 57 56 13.23      
30 A 52 52 16.06      

Unscaled Zero Point Vibrational Energy (zpe) 22250.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 21996.5 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 PBEPBEultrafine/6-31+G**
ABC
0.30458 0.11734 0.09126

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.388 -0.002 -0.122
O2 2.330 -0.001 0.171
O3 -0.432 -0.000 -0.418
C4 -1.028 1.186 0.110
C5 -1.032 -1.184 0.110
H6 2.851 -0.003 -0.650
H7 -0.922 1.231 1.212
H8 -0.500 2.039 -0.340
H9 -2.103 1.236 -0.155
H10 -0.506 -2.039 -0.340
H11 -0.926 -1.229 1.212
H12 -2.106 -1.232 -0.154

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98651.84352.70192.70281.55592.93802.78823.70362.78992.93893.7044
O20.98652.82373.56213.56430.97183.62993.52544.61353.52933.63214.6153
O31.84352.82371.42871.42873.29112.10062.04152.09542.04152.10062.0954
C42.70193.56211.42872.37004.12791.10791.09951.10773.29742.65672.6603
C52.70283.56431.42872.37004.12922.65663.29742.66031.09951.10791.1077
H61.55590.97183.29114.12794.12924.38453.93625.13053.93874.38575.1316
H72.93803.62992.10061.10792.65664.38451.79991.80583.64282.46003.0549
H82.78823.52542.04151.09953.29743.93621.79991.80184.07753.64283.6485
H93.70364.61352.09541.10772.66035.13051.80581.80183.64853.05512.4684
H102.78993.52932.04153.29741.09953.93873.64284.07753.64851.79991.8018
H112.93893.63212.10062.65671.10794.38572.46003.64283.05511.79991.8058
H123.70444.61532.09542.66031.10775.13163.05493.64852.46841.80181.8058

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 105.212 H1 O3 C4 110.687
H1 O3 C5 110.747 O2 H1 O3 172.027
O3 C4 H7 111.179 O3 C4 H8 106.980
O3 C4 H9 110.776 O3 C5 H10 106.981
O3 C5 H11 111.180 O3 C5 H12 110.778
C4 O3 C5 112.084 H7 C4 H8 109.245
H7 C4 H9 109.182 H8 C4 H9 109.434
H10 C5 H11 109.246 H10 C5 H12 109.431
H11 C5 H12 109.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.420      
2 O -0.762      
3 O -0.366      
4 C -0.309      
5 C -0.309      
6 H 0.342      
7 H 0.163      
8 H 0.177      
9 H 0.153      
10 H 0.176      
11 H 0.163      
12 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.605 -0.002 -1.000 2.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.484 -0.007 -5.777
y -0.007 -24.829 0.005
z -5.777 0.005 -27.572
Traceless
 xyz
x -2.284 -0.007 -5.777
y -0.007 3.199 0.005
z -5.777 0.005 -0.916
Polar
3z2-r2-1.832
x2-y2-3.655
xy-0.007
xz-5.777
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.461 0.001 -0.089
y 0.001 6.369 -0.000
z -0.089 -0.000 5.279


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