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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-193.324220
Energy at 298.15K-193.333163
HF Energy-193.324220
Nuclear repulsion energy134.484717
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 LSDA/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' 3097 3039 11.52      
2 A' 3072 3015 19.77      
3 A' 3002 2946 9.95      
4 A' 2892 2838 74.50      
5 A' 2868 2815 43.18      
6 A' 1483 1455 3.39      
7 A' 1453 1426 3.48      
8 A' 1444 1417 8.42      
9 A' 1421 1394 3.30      
10 A' 1379 1353 41.85      
11 A' 1332 1307 0.78      
12 A' 1232 1209 154.84      
13 A' 1184 1162 22.20      
14 A' 1095 1075 3.99      
15 A' 1060 1040 23.90      
16 A' 872 855 5.30      
17 A' 466 458 0.66      
18 A' 284 279 3.11      
19 A" 3093 3035 13.27      
20 A" 2937 2882 47.72      
21 A" 2894 2839 82.70      
22 A" 1424 1397 11.56      
23 A" 1421 1394 5.82      
24 A" 1248 1225 1.94      
25 A" 1166 1145 8.75      
26 A" 1130 1109 0.96      
27 A" 798 783 1.59      
28 A" 273 268 2.00      
29 A" 219 215 0.42      
30 A" 128 125 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 23183.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 22749.5 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 LSDA/6-31G**
ABC
0.93969 0.14215 0.13287

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.299 1.214 0.000
O2 0.002 0.712 0.000
C3 0.000 -0.685 0.000
C4 -1.421 -1.163 0.000
H5 1.242 2.314 0.000
H6 1.873 0.888 0.897
H7 1.873 0.888 -0.897
H8 0.549 -1.071 -0.892
H9 0.549 -1.071 0.892
H10 -1.467 -2.263 0.000
H11 -1.951 -0.790 0.891
H12 -1.951 -0.790 -0.891

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39062.30103.61261.10131.11341.11342.56552.56554.44323.92103.9210
O21.39061.39712.35422.02522.08172.08172.06762.06763.31822.62042.6204
C32.30101.39711.49963.24582.60482.60481.11631.11632.15462.14732.1473
C43.61262.35421.49964.37943.98253.98252.16472.16471.10131.10161.1016
H51.10132.02523.24584.37941.79901.79903.56873.56875.31844.54114.5411
H61.11342.08172.60483.98251.79901.79372.96492.36444.67824.17544.5422
H71.11342.08172.60483.98251.79901.79372.36442.96494.67824.54224.1754
H82.56552.06761.11632.16473.56872.96492.36441.78422.50593.08342.5152
H92.56552.06761.11632.16473.56872.36442.96491.78422.50592.51523.0834
H104.44323.31822.15461.10135.31844.67824.67822.50592.50591.78821.7882
H113.92102.62042.14731.10164.54114.17544.54223.08342.51521.78821.7828
H123.92102.62042.14731.10164.54114.54224.17542.51523.08341.78821.7828

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 111.257 O2 C1 H5 108.167
O2 C1 H6 111.996 O2 C1 H7 111.996
O2 C3 C4 108.672 O2 C3 H8 110.192
O2 C3 H9 110.192 C3 C4 H10 110.949
C3 C4 H11 110.348 C3 C4 H12 110.348
C4 C3 H8 110.839 C4 C3 H9 110.839
H5 C1 H6 108.639 H5 C1 H7 108.639
H6 C1 H7 107.311 H8 C3 H9 106.098
H10 C4 H11 108.538 H10 C4 H12 108.538
H11 C4 H12 108.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 O -0.389      
3 C -0.022      
4 C -0.446      
5 H 0.149      
6 H 0.118      
7 H 0.118      
8 H 0.108      
9 H 0.108      
10 H 0.140      
11 H 0.156      
12 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.800 -0.624 0.000 1.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.367 1.796 0.000
y 1.796 -25.392 0.000
z 0.000 0.000 -26.572
Traceless
 xyz
x 0.615 1.796 0.000
y 1.796 0.577 0.000
z 0.000 0.000 -1.193
Polar
3z2-r2-2.385
x2-y20.025
xy1.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.073 0.771 0.000
y 0.771 6.172 0.000
z 0.000 0.000 5.320


<r2> (average value of r2) Å2
<r2> 101.484
(<r2>)1/2 10.074