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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-230.190746
Energy at 298.15K-230.198558
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.137170
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 HF/6-311+G(3df,2p)
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 4228 3842 142.82      
2 A 4085 3712 261.21      
3 A 3256 2958 29.59      
4 A 3254 2956 37.08      
5 A 3181 2890 125.35      
6 A 3180 2889 0.03      
7 A 3141 2854 70.38      
8 A 3128 2842 51.67      
9 A 1771 1609 72.08      
10 A 1637 1488 1.40      
11 A 1625 1477 3.18      
12 A 1622 1474 12.93      
13 A 1620 1472 10.87      
14 A 1610 1463 0.01      
15 A 1591 1445 4.64      
16 A 1396 1268 13.87      
17 A 1329 1208 148.98      
18 A 1307 1188 11.01      
19 A 1270 1154 0.00      
20 A 1219 1107 58.55      
21 A 1027 933 55.68      
22 A 581 527 88.13      
23 A 443 403 5.86      
24 A 308 280 85.37      
25 A 254 230 13.32      
26 A 196 178 0.00      
27 A 127 115 1.31      
28 A 114 103 118.60      
29 A 39 35 6.44      
30 A 34 31 5.89      

Unscaled Zero Point Vibrational Energy (zpe) 24285.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 22065.8 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 HF/6-311+G(3df,2p)
ABC
0.32683 0.10116 0.08059

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.613 -0.014 0.027
O2 2.552 -0.007 0.131
O3 -0.420 -0.003 -0.187
C4 -1.124 1.176 0.044
C5 -1.152 -1.164 0.045
H6 2.914 -0.018 -0.736
H7 -1.462 1.235 1.075
H8 -0.459 2.003 -0.155
H9 -1.988 1.250 -0.611
H10 -0.509 -2.008 -0.156
H11 -1.489 -1.216 1.078
H12 -2.020 -1.217 -0.608

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.94502.04472.98432.99561.50813.48052.89733.86932.91823.48883.8793
O20.94502.98963.86283.88240.93904.30703.63194.76903.66884.32334.7868
O32.04472.98961.39241.39233.37892.05262.00702.05152.00702.05252.0515
C42.98433.86281.39242.34024.28221.08671.07991.08683.24872.63122.6368
C52.99563.88241.39232.34024.29642.62973.24862.63831.07991.08671.0868
H61.50810.93903.37894.28224.29644.89883.97495.06444.00174.90995.0787
H73.48054.30702.05261.08672.62974.89881.76271.76673.59772.45203.0263
H82.89733.63192.00701.07993.24863.97491.76271.76394.01153.59773.6070
H93.86934.76902.05151.08682.63835.06441.76671.76393.60713.03102.4679
H102.91823.66882.00703.24871.07994.00173.59774.01153.60711.76281.7638
H113.48884.32332.05252.63121.08674.90992.45203.59773.03101.76281.7667
H123.87934.78682.05152.63681.08685.07873.02633.60702.46791.76381.7667

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 106.353 H1 O3 C4 119.306
H1 O3 C5 120.087 O2 H1 O3 179.263
O3 C4 H7 111.184 O3 C4 H8 107.881
O3 C4 H9 111.083 O3 C5 H10 107.885
O3 C5 H11 111.184 O3 C5 H12 111.087
C4 O3 C5 114.365 H7 C4 H8 108.900
H7 C4 H9 108.747 H8 C4 H9 108.996
H10 C5 H11 108.903 H10 C5 H12 108.984
H11 C5 H12 108.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.459      
2 O -0.647      
3 O -0.809      
4 C 0.056      
5 C 0.057      
6 H 0.210      
7 H 0.112      
8 H 0.120      
9 H 0.106      
10 H 0.119      
11 H 0.112      
12 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.898 -0.010 -1.210 3.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.135 -0.037 -5.284
y -0.037 -24.418 0.032
z -5.284 0.032 -25.892
Traceless
 xyz
x -3.980 -0.037 -5.284
y -0.037 3.095 0.032
z -5.284 0.032 0.885
Polar
3z2-r21.769
x2-y2-4.717
xy-0.037
xz-5.284
yz0.032


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.739 0.007 -0.080
y 0.007 5.960 0.000
z -0.080 0.000 5.077


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