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

using model chemistry: PBEPBEultrafine_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 PBEPBEultrafine_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-231.276082
Energy at 298.15K-231.283865
Nuclear repulsion energy83.249598
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_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 3768 3730 69.89      
2 A 3489 3454 531.58      
3 A 3059 3028 13.53      
4 A 3058 3027 15.31      
5 A 2970 2940 0.06      
6 A 2963 2933 94.93      
7 A 2919 2890 68.07      
8 A 2911 2882 47.79      
9 A 1609 1593 33.92      
10 A 1458 1443 4.45      
11 A 1441 1426 12.55      
12 A 1436 1421 16.56      
13 A 1428 1414 0.30      
14 A 1427 1413 0.17      
15 A 1403 1389 0.32      
16 A 1223 1211 5.73      
17 A 1149 1137 4.25      
18 A 1139 1128 72.06      
19 A 1120 1108 0.08      
20 A 1077 1067 52.03      
21 A 906 897 49.94      
22 A 635 628 41.33      
23 A 401 397 9.41      
24 A 347 343 78.73      
25 A 242 240 16.72      
26 A 200 198 0.02      
27 A 155 153 3.64      
28 A 111 110 91.92      
29 A 46 45 7.73      
30 A 42 41 7.95      

Unscaled Zero Point Vibrational Energy (zpe) 22064.6 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 21843.9 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_cp_opt/aug-cc-pVTZ
ABC
0.31040 0.11245 0.08807

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.443 -0.000 -0.090
O2 -2.391 -0.000 0.166
O3 0.414 -0.000 -0.366
C4 1.065 -1.181 0.094
C5 1.064 1.181 0.094
H6 -2.871 -0.000 -0.677
H7 1.085 -1.222 1.197
H8 0.494 -2.035 -0.289
H9 2.100 -1.232 -0.285
H10 0.494 2.035 -0.289
H11 1.085 1.222 1.197
H12 2.100 1.232 -0.285

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98261.87732.77752.77751.54413.08832.81633.75642.81633.08833.7564
O20.98262.85563.65303.65290.96913.82643.56004.67973.56003.82644.6797
O31.87732.85561.42461.42463.29972.09462.03822.09022.03822.09462.0902
C42.77753.65301.42462.36224.18041.10451.09611.10433.28882.64462.6537
C52.77753.65291.42462.36224.18042.64463.28882.65371.09611.10451.1043
H61.54410.96913.29974.18044.18044.54443.95155.13673.95144.54445.1367
H73.08833.82642.09461.10452.64464.54441.79401.79723.62882.44443.0422
H82.81633.56002.03821.09613.28883.95151.79401.79594.07033.62883.6412
H93.75644.67972.09021.10432.65375.13671.79721.79593.64123.04222.4649
H102.81633.56002.03823.28881.09613.95143.62884.07033.64121.79401.7959
H113.08833.82642.09462.64461.10454.54442.44443.62883.04221.79401.7972
H123.75644.67972.09022.65371.10435.13673.04223.64122.46491.79591.7972

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 104.580 H1 O3 C4 113.831
H1 O3 C5 113.830 O2 H1 O3 173.392
O3 C4 H7 111.204 O3 C4 H8 107.197
O3 C4 H9 110.852 O3 C5 H10 107.197
O3 C5 H11 111.204 O3 C5 H12 110.852
C4 O3 C5 112.010 H7 C4 H8 109.225
H7 C4 H9 108.916 H8 C4 H9 109.409
H10 C5 H11 109.225 H10 C5 H12 109.409
H11 C5 H12 108.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.377      
4 C -0.515      
5 C -0.515      
6 H 0.000      
7 H 0.229      
8 H 0.248      
9 H 0.227      
10 H 0.248      
11 H 0.229      
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
  2.556 0.000 -0.898 2.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.781 0.000 4.900
y 0.000 -25.058 0.000
z 4.900 0.000 -27.178
Traceless
 xyz
x -2.663 0.000 4.900
y 0.000 2.922 0.000
z 4.900 0.000 -0.259
Polar
3z2-r2-0.518
x2-y2-3.723
xy0.000
xz4.900
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.017 -0.036 0.046
y -0.036 6.174 0.001
z 0.046 0.001 4.952


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