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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-194.093032
Energy at 298.15K-194.101919
HF Energy-194.093032
Nuclear repulsion energy132.865113
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 PBEPBE/6-31G**
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' 3079 3037 21.60      
2 A' 3063 3021 29.35      
3 A' 2995 2954 15.51      
4 A' 2900 2860 87.35      
5 A' 2877 2838 43.32      
6 A' 1499 1478 0.94      
7 A' 1472 1452 2.63      
8 A' 1464 1444 9.03      
9 A' 1438 1418 0.14      
10 A' 1387 1368 38.22      
11 A' 1353 1334 4.61      
12 A' 1199 1182 40.43      
13 A' 1140 1124 135.68      
14 A' 1088 1073 4.54      
15 A' 1017 1003 16.17      
16 A' 851 839 9.26      
17 A' 457 451 0.52      
18 A' 281 277 2.70      
19 A" 3081 3039 23.61      
20 A" 2942 2901 64.16      
21 A" 2904 2864 83.61      
22 A" 1448 1428 6.66      
23 A" 1444 1424 3.90      
24 A" 1258 1241 1.07      
25 A" 1167 1151 8.11      
26 A" 1132 1116 0.38      
27 A" 803 792 0.80      
28 A" 265 261 2.06      
29 A" 215 212 0.65      
30 A" 118 117 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 23168.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 22851.3 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 PBEPBE/6-31G**
ABC
0.92586 0.13776 0.12878

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.323 1.238 0.000
O2 0.007 0.719 0.000
C3 0.000 -0.703 0.000
C4 -1.445 -1.178 0.000
H5 1.243 2.336 0.000
H6 1.897 0.923 0.898
H7 1.897 0.923 -0.898
H8 0.540 -1.093 -0.893
H9 0.540 -1.093 0.893
H10 -1.491 -2.279 0.000
H11 -1.973 -0.806 0.892
H12 -1.973 -0.806 -0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41482.34953.67421.10091.11151.11152.61612.61614.50383.98003.9800
O21.41481.42232.38882.03562.10272.10272.08892.08893.35082.65382.6538
C32.34951.42231.52113.28392.65522.65521.11371.11372.16872.16802.1680
C43.67422.38881.52114.42444.04864.04862.17832.17831.10171.10121.1012
H51.10092.03563.28394.42441.79781.79783.61253.61255.36374.58424.5842
H61.11152.10272.65524.04861.79781.79543.01852.43004.74694.23934.6016
H71.11152.10272.65524.04861.79781.79542.43003.01854.74694.60164.2393
H82.61612.08891.11372.17833.61253.01852.43001.78572.51523.09582.5295
H92.61612.08891.11372.17833.61252.43003.01851.78572.51522.52953.0958
H104.50383.35082.16871.10175.36374.74694.74692.51522.51521.78791.7879
H113.98002.65382.16801.10124.58424.23934.60163.09582.52951.78791.7840
H123.98002.65382.16801.10124.58424.60164.23932.52953.09581.78791.7840

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 111.813 O2 C1 H5 107.370
O2 C1 H6 112.119 O2 C1 H7 112.119
O2 C3 C4 108.453 O2 C3 H8 110.324
O2 C3 H9 110.324 C3 C4 H10 110.541
C3 C4 H11 110.510 C3 C4 H12 110.510
C4 C3 H8 110.579 C4 C3 H9 110.579
H5 C1 H6 108.703 H5 C1 H7 108.703
H6 C1 H7 107.736 H8 C3 H9 106.585
H10 C4 H11 108.507 H10 C4 H12 108.507
H11 C4 H12 108.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 O -0.427      
3 C 0.026      
4 C -0.383      
5 H 0.128      
6 H 0.101      
7 H 0.101      
8 H 0.093      
9 H 0.093      
10 H 0.119      
11 H 0.135      
12 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.831 -0.646 0.000 1.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.270 1.757 0.000
y 1.757 -25.364 0.000
z 0.000 0.000 -26.499
Traceless
 xyz
x 0.662 1.757 0.000
y 1.757 0.521 0.000
z 0.000 0.000 -1.182
Polar
3z2-r2-2.365
x2-y20.094
xy1.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.108 0.827 0.000
y 0.827 6.210 0.000
z 0.000 0.000 5.249


<r2> (average value of r2) Å2
<r2> 103.894
(<r2>)1/2 10.193