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

using model chemistry: B3LYPultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-230.172252
Energy at 298.15K-230.181002
Counterpoise corrected energy-230.158823
CP Energy at 298.15K-230.166692
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy134.982825
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/3-21G
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 3511 3387 31.96      
2 A 3298 3182 230.38      
3 A 3148 3038 2.10      
4 A 3136 3026 21.72      
5 A 3065 2958 55.05      
6 A 3052 2945 60.65      
7 A 3013 2908 65.16      
8 A 3004 2898 35.74      
9 A 1727 1666 66.22      
10 A 1588 1533 4.42      
11 A 1583 1527 4.64      
12 A 1566 1511 17.72      
13 A 1550 1496 6.58      
14 A 1513 1460 6.87      
15 A 1477 1425 6.81      
16 A 1266 1221 1.89      
17 A 1183 1142 3.83      
18 A 1167 1126 44.16      
19 A 1153 1112 0.18      
20 A 1077 1039 63.47      
21 A 900 869 69.95      
22 A 870 839 294.28      
23 A 418 403 5.94      
24 A 378 364 66.63      
25 A 358 346 93.58      
26 A 266 257 56.76      
27 A 243 234 0.27      
28 A 226 219 5.20      
29 A 168 162 17.10      
30 A 67 65 4.48      

Unscaled Zero Point Vibrational Energy (zpe) 22985.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22178.5 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 B3LYPultrafine/3-21G
ABC
0.40356 0.11193 0.09177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.290 -0.665 0.157
O2 2.259 -0.396 0.123
O3 -0.395 -0.219 -0.104
C4 -0.201 1.229 0.007
C5 -1.784 -0.628 0.031
H6 2.498 -0.486 -0.840
H7 -0.633 1.621 0.938
H8 0.886 1.323 0.023
H9 -0.644 1.758 -0.847
H10 -1.796 -1.717 -0.043
H11 -2.201 -0.323 1.002
H12 -2.407 -0.202 -0.768

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H11.00621.76222.41583.07731.57603.08792.03373.25913.26633.60843.8390
O21.00622.66912.95054.05100.99613.61862.20233.74244.26784.54654.7540
O31.76222.66911.46601.45462.99642.12812.00872.12712.05172.12062.1190
C42.41582.95051.46602.44043.30831.09851.09091.09803.35062.72052.7414
C53.07734.05101.45462.44044.37202.68373.30672.78621.09191.09921.0989
H61.57600.99612.99643.30834.37204.17182.57253.86104.53695.04964.9132
H73.08793.61862.12811.09852.68374.17181.79811.79073.66782.49843.0625
H82.03372.20232.00871.09093.30672.57251.79811.81274.05423.63293.7138
H93.25913.74242.12711.09802.78623.86101.79071.81273.74813.18992.6372
H103.26634.26782.05173.35061.09194.53693.66784.05423.74811.78811.7873
H113.60844.54652.12062.72051.09925.04962.49843.63293.18991.78811.7858
H123.83904.75402.11902.74141.09894.91323.06253.71382.63721.78731.7858

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 103.826 H1 O3 C4 96.463
H1 O3 C5 145.955 O2 H1 O3 147.958
O3 C4 H7 111.364 O3 C4 H8 102.570
O3 C4 H9 111.316 O3 C5 H10 106.479
O3 C5 H11 111.517 O3 C5 H12 111.398
C4 O3 C5 113.355 H7 C4 H8 110.430
H7 C4 H9 109.230 H8 C4 H9 111.823
H10 C5 H11 109.391 H10 C5 H12 109.337
H11 C5 H12 108.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.350      
2 O -0.671      
3 O -0.494      
4 C -0.347      
5 C -0.307      
6 H 0.307      
7 H 0.180      
8 H 0.226      
9 H 0.177      
10 H 0.211      
11 H 0.185      
12 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.001 0.294 -1.340 3.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.239 0.777 -4.587
y 0.777 -24.061 0.690
z -4.587 0.690 -25.308
Traceless
 xyz
x -3.555 0.777 -4.587
y 0.777 2.712 0.690
z -4.587 0.690 0.842
Polar
3z2-r21.685
x2-y2-4.178
xy0.777
xz-4.587
yz0.690


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.317 0.198 -0.286
y 0.198 4.371 0.050
z -0.286 0.050 4.006


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