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

using model chemistry: B3LYP_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 B3LYP_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-231.566913
Energy at 298.15K-231.574740
Nuclear repulsion energy83.636485
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 B3LYP_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 3870 3754 87.46      
2 A 3639 3530 466.03      
3 A 3121 3028 15.09      
4 A 3120 3027 18.52      
5 A 3037 2946 0.02      
6 A 3033 2942 96.32      
7 A 2992 2902 67.16      
8 A 2983 2894 46.14      
9 A 1646 1597 42.73      
10 A 1512 1467 3.60      
11 A 1497 1452 11.90      
12 A 1494 1449 14.78      
13 A 1488 1444 0.67      
14 A 1484 1440 0.14      
15 A 1460 1417 1.11      
16 A 1271 1232 6.97      
17 A 1193 1157 5.94      
18 A 1185 1150 75.79      
19 A 1162 1127 0.02      
20 A 1109 1075 67.90      
21 A 925 898 53.33      
22 A 629 610 50.95      
23 A 413 401 7.58      
24 A 338 328 82.77      
25 A 241 234 13.54      
26 A 196 190 0.00      
27 A 149 145 2.75      
28 A 129 125 102.76      
29 A 42 41 7.01      
30 A 40 39 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 22698.8 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 22017.8 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 B3LYP_cp_opt/aug-cc-pVTZ
ABC
0.31565 0.10894 0.08544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.491 -0.000 -0.050
O2 2.441 -0.000 0.153
O3 -0.399 0.000 -0.287
C4 -1.094 1.183 0.072
C5 -1.094 -1.183 0.072
H6 2.885 0.000 -0.699
H7 -1.260 1.230 1.153
H8 -0.477 2.025 -0.232
H9 -2.060 1.238 -0.440
H10 -0.477 -2.025 -0.232
H11 -1.260 -1.230 1.153
H12 -2.060 -1.238 -0.440

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.97161.90462.84512.84511.53743.24512.83033.78112.83033.24513.7811
O20.97162.87383.72833.72830.96074.02653.57344.70613.57344.02654.7061
O31.90462.87381.41791.41793.30952.08072.02772.07762.02772.08072.0776
C42.84513.72831.41792.36544.22171.09511.08741.09503.28092.64942.6559
C52.84513.72831.41792.36544.22172.64933.28092.65591.08741.09511.0950
H61.53740.96073.30954.22174.22174.70373.95305.10463.95314.70385.1046
H73.24514.02652.08071.09512.64934.70371.77881.78253.62372.46043.0442
H82.83033.57342.02771.08743.28093.95301.77881.78044.05093.62373.6327
H93.78114.70612.07761.09502.65595.10461.78251.78043.63273.04422.4752
H102.83033.57342.02773.28091.08743.95313.62374.05093.63271.77881.7804
H113.24514.02652.08072.64941.09514.70382.46043.62373.04421.77881.7825
H123.78114.70612.07762.65591.09505.10463.04423.63272.47521.78041.7825

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 105.426 H1 O3 C4 117.058
H1 O3 C5 117.058 O2 H1 O3 175.044
O3 C4 H7 111.132 O3 C4 H8 107.335
O3 C4 H9 110.879 O3 C5 H10 107.335
O3 C5 H11 111.132 O3 C5 H12 110.879
C4 O3 C5 113.047 H7 C4 H8 109.181
H7 C4 H9 108.947 H8 C4 H9 109.327
H10 C5 H11 109.181 H10 C5 H12 109.327
H11 C5 H12 108.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP_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 0.249      
8 H 0.259      
9 H 0.249      
10 H 0.259      
11 H 0.249      
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
  -2.752 0.000 -1.014 2.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.970 0.000 -4.996
y 0.000 -24.846 -0.000
z -4.996 -0.000 -26.777
Traceless
 xyz
x -3.158 0.000 -4.996
y 0.000 3.027 -0.000
z -4.996 -0.000 0.131
Polar
3z2-r20.262
x2-y2-4.124
xy0.000
xz-4.996
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.757 0.001 -0.045
y 0.001 5.858 0.000
z -0.045 0.000 4.690


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