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

using model chemistry: B3LYPultrafine_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 B3LYPultrafine_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-231.566912
Energy at 298.15K-231.574715
Nuclear repulsion energy83.636788
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 B3LYPultrafine_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 3869 3753 87.34      
2 A 3638 3529 466.55      
3 A 3121 3027 15.03      
4 A 3120 3026 18.56      
5 A 3037 2946 0.02      
6 A 3032 2941 96.42      
7 A 2991 2901 67.24      
8 A 2983 2893 46.19      
9 A 1646 1597 42.70      
10 A 1512 1467 3.58      
11 A 1497 1452 11.94      
12 A 1494 1449 14.77      
13 A 1488 1444 0.67      
14 A 1485 1440 0.09      
15 A 1461 1417 1.12      
16 A 1271 1232 6.96      
17 A 1193 1157 5.95      
18 A 1186 1150 75.34      
19 A 1162 1127 0.02      
20 A 1109 1076 68.35      
21 A 925 898 53.34      
22 A 629 610 51.02      
23 A 414 401 7.55      
24 A 336 326 82.71      
25 A 241 233 13.82      
26 A 198 192 0.00      
27 A 149 145 2.72      
28 A 116 112 101.01      
29 A 43 41 7.06      
30 A 39 38 7.14      

Unscaled Zero Point Vibrational Energy (zpe) 22690.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 22009.6 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 B3LYPultrafine_cp_opt/aug-cc-pVTZ
ABC
0.31558 0.10900 0.08549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.491 -0.000 -0.052
O2 2.440 -0.000 0.153
O3 -0.399 -0.000 -0.288
C4 -1.093 1.183 0.072
C5 -1.093 -1.183 0.072
H6 2.885 -0.000 -0.698
H7 -1.259 1.229 1.154
H8 -0.477 2.025 -0.232
H9 -2.060 1.239 -0.438
H10 -0.477 -2.025 -0.232
H11 -1.259 -1.229 1.154
H12 -2.060 -1.239 -0.438

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97161.90452.84422.84421.53743.24362.82923.78062.82933.24373.7806
O20.97162.87363.72703.72710.96074.02423.57204.70543.57214.02424.7054
O31.90452.87361.41791.41793.30992.08072.02772.07772.02772.08072.0777
C42.84423.72701.41792.36544.22141.09511.08741.09513.28092.64842.6569
C52.84423.72711.41792.36544.22142.64843.28092.65691.08741.09511.0951
H61.53740.96073.30994.22144.22144.70243.95265.10513.95264.70245.1051
H73.24364.02422.08071.09512.64844.70241.77881.78253.62252.45833.0443
H82.82923.57202.02771.08743.28093.95261.77881.78044.05093.62253.6340
H93.78064.70542.07771.09512.65695.10511.78251.78043.63403.04432.4775
H102.82933.57212.02773.28091.08743.95263.62254.05093.63401.77881.7804
H113.24374.02422.08072.64841.09514.70242.45833.62253.04431.77881.7825
H123.78064.70542.07772.65691.09515.10513.04433.63402.47751.78041.7825

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 105.430 H1 O3 C4 117.003
H1 O3 C5 117.005 O2 H1 O3 174.982
O3 C4 H7 111.128 O3 C4 H8 107.335
O3 C4 H9 110.887 O3 C5 H10 107.335
O3 C5 H11 111.128 O3 C5 H12 110.887
C4 O3 C5 113.049 H7 C4 H8 109.181
H7 C4 H9 108.947 H8 C4 H9 109.324
H10 C5 H11 109.181 H10 C5 H12 109.324
H11 C5 H12 108.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.446      
4 C -0.534      
5 C -0.534      
6 H 0.000      
7 H 0.250      
8 H 0.259      
9 H 0.249      
10 H 0.259      
11 H 0.250      
12 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.748 0.000 -1.012 2.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.244 -0.001 -0.023
y -0.001 -17.630 -0.000
z -0.023 -0.000 -20.641
Traceless
 xyz
x -0.109 -0.001 -0.023
y -0.001 2.312 -0.000
z -0.023 -0.000 -2.204
Polar
3z2-r2-4.407
x2-y2-1.614
xy-0.001
xz-0.023
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.756 0.001 -0.045
y 0.001 5.858 0.000
z -0.045 0.000 4.691


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