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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-194.090506
Energy at 298.15K-194.099367
HF Energy-194.090506
Nuclear repulsion energy132.729722
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3070 3053 19.37      
2 A' 3054 3036 26.39      
3 A' 2981 2963 17.16      
4 A' 2882 2865 93.03      
5 A' 2861 2844 43.16      
6 A' 1457 1449 1.18      
7 A' 1429 1421 3.02      
8 A' 1423 1415 7.01      
9 A' 1403 1395 0.17      
10 A' 1361 1353 40.37      
11 A' 1324 1316 3.70      
12 A' 1182 1175 48.98      
13 A' 1137 1131 136.96      
14 A' 1075 1068 2.88      
15 A' 1019 1013 19.10      
16 A' 847 842 9.99      
17 A' 455 452 0.54      
18 A' 277 276 2.32      
19 A" 3068 3050 21.96      
20 A" 2926 2909 62.99      
21 A" 2888 2871 92.24      
22 A" 1402 1394 7.68      
23 A" 1399 1391 4.05      
24 A" 1236 1229 1.46      
25 A" 1145 1138 9.80      
26 A" 1111 1104 0.12      
27 A" 795 790 0.69      
28 A" 263 261 1.97      
29 A" 212 210 0.58      
30 A" 115 114 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 22897.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 22764.2 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/cc-pVDZ
ABC
0.92167 0.13779 0.12882

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.239 0.000
O2 0.007 0.718 0.000
C3 0.000 -0.703 0.000
C4 -1.443 -1.178 0.000
H5 1.239 2.344 0.000
H6 1.900 0.923 0.903
H7 1.900 0.923 -0.903
H8 0.545 -1.094 -0.898
H9 0.545 -1.094 0.898
H10 -1.489 -2.286 0.000
H11 -1.976 -0.805 0.897
H12 -1.976 -0.805 -0.897

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41262.34823.67151.10741.11881.11882.61712.61714.50743.98063.9806
O21.41261.42082.38722.03992.10712.10712.09242.09243.35562.65612.6561
C32.34821.42081.51963.28892.65812.65811.12071.12072.17332.17262.1726
C43.67152.38721.51964.42714.05024.05022.18342.18341.10811.10831.1083
H51.10742.03993.28894.42711.80881.80883.61993.61995.37354.58834.5883
H61.11882.10712.65814.05021.80881.80523.02332.42894.75314.24334.6091
H71.11882.10712.65814.05021.80881.80522.42893.02334.75314.60914.2433
H82.61712.09241.12072.18343.61993.02332.42891.79542.52313.10852.5381
H92.61712.09241.12072.18343.61992.42893.02331.79542.52312.53813.1085
H104.50743.35562.17331.10815.37354.75314.75312.52312.52311.79871.7987
H113.98062.65612.17261.10834.58834.24334.60913.10852.53811.79871.7939
H123.98062.65612.17261.10834.58834.60914.24332.53813.10851.79871.7939

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.936 O2 C1 H5 107.473
O2 C1 H6 112.167 O2 C1 H7 112.167
O2 C3 C4 108.514 O2 C3 H8 110.272
O2 C3 H9 110.272 C3 C4 H10 110.624
C3 C4 H11 110.556 C3 C4 H12 110.556
C4 C3 H8 110.669 C4 C3 H9 110.669
H5 C1 H6 108.690 H5 C1 H7 108.690
H6 C1 H7 107.564 H8 C3 H9 106.447
H10 C4 H11 108.486 H10 C4 H12 108.486
H11 C4 H12 108.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 O -0.276      
3 C 0.062      
4 C -0.063      
5 H 0.037      
6 H 0.015      
7 H 0.015      
8 H 0.010      
9 H 0.010      
10 H 0.031      
11 H 0.043      
12 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.759 -0.576 0.000 0.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.747 1.607 0.000
y 1.607 -25.603 0.000
z 0.000 0.000 -26.767
Traceless
 xyz
x 0.438 1.607 0.000
y 1.607 0.655 0.000
z 0.000 0.000 -1.092
Polar
3z2-r2-2.185
x2-y2-0.145
xy1.607
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.533 0.914 0.000
y 0.914 6.505 0.000
z 0.000 0.000 5.496


<r2> (average value of r2) Å2
<r2> 104.181
(<r2>)1/2 10.207