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

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-194.391700
Energy at 298.15K-194.400667
HF Energy-194.391700
Nuclear repulsion energy133.448314
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 B3LYP/6-311G*
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' 3116 3011 38.05      
2 A' 3106 3001 36.82      
3 A' 3040 2938 21.54      
4 A' 2969 2869 102.64      
5 A' 2951 2851 39.10      
6 A' 1550 1497 2.08      
7 A' 1525 1474 4.15      
8 A' 1517 1466 8.73      
9 A' 1493 1443 0.06      
10 A' 1441 1392 37.18      
11 A' 1412 1364 1.49      
12 A' 1245 1203 36.58      
13 A' 1156 1117 156.51      
14 A' 1125 1087 5.80      
15 A' 1030 995 16.86      
16 A' 871 841 13.97      
17 A' 468 452 0.52      
18 A' 289 279 2.63      
19 A" 3111 3006 40.16      
20 A" 3005 2903 83.33      
21 A" 2974 2874 83.45      
22 A" 1502 1452 10.88      
23 A" 1500 1450 3.61      
24 A" 1313 1269 1.92      
25 A" 1207 1166 10.38      
26 A" 1176 1136 0.06      
27 A" 831 803 0.17      
28 A" 267 258 2.35      
29 A" 214 207 1.26      
30 A" 116 112 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 23759.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 22958.6 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 B3LYP/6-311G*
ABC
0.94394 0.13810 0.12927

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.318 1.245 0.000
O2 0.016 0.708 0.000
C3 0.000 -0.708 0.000
C4 -1.444 -1.174 0.000
H5 1.222 2.331 0.000
H6 1.885 0.938 0.892
H7 1.885 0.938 -0.892
H8 0.532 -1.091 -0.886
H9 0.532 -1.091 0.886
H10 -1.498 -2.266 0.000
H11 -1.966 -0.802 0.884
H12 -1.966 -0.802 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40902.35633.67181.09051.10021.10022.61932.61934.50163.96973.9697
O21.40901.41602.38182.02232.08412.08412.07062.07063.33762.64362.6436
C32.35631.41601.51713.27552.65682.65681.10211.10212.16192.15772.1577
C43.67182.38181.51714.40384.04224.04222.16662.16661.09351.09241.0924
H51.09052.02233.27554.40381.78201.78203.60173.60175.34214.55644.5564
H61.10022.08412.65684.04221.78201.78313.01822.43914.74484.22614.5840
H71.10022.08412.65684.04221.78201.78312.43913.01824.74484.58404.2261
H82.61932.07061.10212.16663.60173.01822.43911.77232.50763.07502.5143
H92.61932.07061.10212.16663.60172.43913.01821.77232.50762.51433.0750
H104.50163.33762.16191.09355.34214.74484.74482.50762.50761.77351.7735
H113.96972.64362.15771.09244.55644.22614.58403.07502.51431.77351.7685
H123.96972.64362.15771.09244.55644.58404.22612.51433.07501.77351.7685

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 113.038 O2 C1 H5 107.327
O2 C1 H6 111.724 O2 C1 H7 111.724
O2 C3 C4 108.542 O2 C3 H8 110.008
O2 C3 H9 110.008 C3 C4 H10 110.773
C3 C4 H11 110.495 C3 C4 H12 110.495
C4 C3 H8 110.624 C4 C3 H9 110.624
H5 C1 H6 108.869 H5 C1 H7 108.869
H6 C1 H7 108.259 H8 C3 H9 107.035
H10 C4 H11 108.454 H10 C4 H12 108.454
H11 C4 H12 108.087
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 O -0.333      
3 C -0.185      
4 C -0.624      
5 H 0.212      
6 H 0.183      
7 H 0.183      
8 H 0.176      
9 H 0.176      
10 H 0.201      
11 H 0.213      
12 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.984 -0.672 0.000 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.986 1.739 0.000
y 1.739 -25.832 0.000
z 0.000 0.000 -26.860
Traceless
 xyz
x 0.360 1.739 0.000
y 1.739 0.591 0.000
z 0.000 0.000 -0.952
Polar
3z2-r2-1.903
x2-y2-0.154
xy1.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.245 0.750 0.000
y 0.750 6.247 0.000
z 0.000 0.000 5.389


<r2> (average value of r2) Å2
<r2> 103.770
(<r2>)1/2 10.187