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

using model chemistry: PBEPBE_cp_opt/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-231.276079
Energy at 298.15K-231.283859
Nuclear repulsion energy83.250022
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 PBEPBE_cp_opt/aug-cc-pVTZ
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 3769 3732 69.89      
2 A 3491 3456 531.64      
3 A 3059 3028 13.47      
4 A 3058 3028 15.34      
5 A 2970 2940 0.04      
6 A 2962 2933 94.78      
7 A 2919 2890 68.48      
8 A 2911 2882 47.75      
9 A 1610 1593 34.01      
10 A 1458 1443 4.41      
11 A 1441 1426 12.67      
12 A 1435 1421 16.32      
13 A 1427 1413 0.41      
14 A 1426 1412 0.13      
15 A 1402 1388 0.29      
16 A 1223 1210 5.77      
17 A 1148 1137 4.33      
18 A 1139 1127 73.12      
19 A 1119 1108 0.02      
20 A 1077 1067 51.21      
21 A 905 896 50.11      
22 A 635 629 41.28      
23 A 400 396 9.48      
24 A 347 344 78.66      
25 A 238 236 16.04      
26 A 199 197 0.02      
27 A 154 153 3.37      
28 A 120 119 93.43      
29 A 45 45 7.46      
30 A 37 36 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 22062.1 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 21841.5 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 PBEPBE_cp_opt/aug-cc-pVTZ
ABC
0.31086 0.11212 0.08783

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.446 -0.000 -0.084
O2 2.396 -0.000 0.165
O3 -0.411 -0.000 -0.359
C4 -1.067 1.181 0.092
C5 -1.068 -1.181 0.092
H6 2.869 -0.000 -0.681
H7 -1.104 1.222 1.195
H8 -0.490 2.035 -0.282
H9 -2.097 1.234 -0.303
H10 -0.491 -2.035 -0.282
H11 -1.104 -1.221 1.195
H12 -2.098 -1.233 -0.303

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98261.87702.78222.78251.54393.10292.81563.75802.81623.10313.7582
O20.98262.85573.65993.66040.96913.84743.55964.68313.56053.84784.6835
O31.87702.85571.42451.42453.29642.09462.03812.09022.03812.09462.0902
C42.78223.65991.42452.36244.18211.10451.09611.10433.28892.64412.6548
C52.78253.66041.42452.36244.18262.64403.28892.65491.09611.10451.1043
H61.54390.96913.29644.18214.18264.56043.94815.13173.94904.56095.1321
H73.10293.84742.09461.10452.64404.56041.79401.79723.62802.44303.0425
H82.81563.55962.03811.09613.28893.94811.79401.79594.07023.62803.6425
H93.75804.68312.09021.10432.65495.13171.79721.79593.64253.04272.4673
H102.81623.56052.03813.28891.09613.94903.62804.07023.64251.79401.7959
H113.10313.84782.09462.64411.10454.56092.44303.62803.04271.79401.7972
H123.75824.68352.09022.65481.10435.13213.04253.64252.46731.79591.7972

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 104.561 H1 O3 C4 114.155
H1 O3 C5 114.175 O2 H1 O3 173.746
O3 C4 H7 111.203 O3 C4 H8 107.196
O3 C4 H9 110.859 O3 C5 H10 107.197
O3 C5 H11 111.203 O3 C5 H12 110.859
C4 O3 C5 112.030 H7 C4 H8 109.227
H7 C4 H9 108.912 H8 C4 H9 109.406
H10 C5 H11 109.227 H10 C5 H12 109.406
H11 C5 H12 108.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.376      
4 C -0.516      
5 C -0.515      
6 H 0.000      
7 H 0.230      
8 H 0.248      
9 H 0.226      
10 H 0.248      
11 H 0.228      
12 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.578 0.000 -0.908 2.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.850 0.001 -4.895
y 0.001 -25.057 0.000
z -4.895 0.000 -27.152
Traceless
 xyz
x -2.746 0.001 -4.895
y 0.001 2.944 0.000
z -4.895 0.000 -0.198
Polar
3z2-r2-0.397
x2-y2-3.793
xy0.001
xz-4.895
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.037 0.067 -0.031
y 0.067 6.173 -0.006
z -0.031 -0.006 4.940


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