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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-194.318336
Energy at 298.15K-194.327155
HF Energy-194.318336
Nuclear repulsion energy131.210272
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/LANL2DZ
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' 3160 3038 37.54      
2 A' 3142 3020 44.17      
3 A' 3052 2934 24.14      
4 A' 2995 2879 113.47      
5 A' 2983 2867 43.93      
6 A' 1542 1482 4.67      
7 A' 1525 1466 2.66      
8 A' 1515 1456 14.74      
9 A' 1484 1426 0.66      
10 A' 1440 1384 25.40      
11 A' 1415 1360 10.56      
12 A' 1211 1164 21.76      
13 A' 1123 1080 22.37      
14 A' 1111 1068 94.15      
15 A' 1018 979 15.94      
16 A' 826 794 10.75      
17 A' 449 431 1.19      
18 A' 274 263 5.36      
19 A" 3155 3032 48.29      
20 A" 3061 2942 88.68      
21 A" 3030 2913 73.15      
22 A" 1505 1446 12.49      
23 A" 1503 1445 8.54      
24 A" 1292 1242 0.12      
25 A" 1181 1135 8.94      
26 A" 1143 1099 0.31      
27 A" 841 808 3.41      
28 A" 247 237 2.75      
29 A" 200 192 2.08      
30 A" 104 100 5.79      

Unscaled Zero Point Vibrational Energy (zpe) 23763.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 22841.1 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/LANL2DZ
ABC
0.91379 0.13310 0.12444

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.327 1.304 0.000
O2 0.000 0.716 0.000
C3 0.009 -0.744 0.000
C4 -1.444 -1.214 0.000
H5 1.187 2.388 0.000
H6 1.900 1.011 0.896
H7 1.900 1.011 -0.896
H8 0.543 -1.114 -0.893
H9 0.543 -1.114 0.893
H10 -1.495 -2.311 0.000
H11 -1.966 -0.839 0.888
H12 -1.966 -0.839 -0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.45192.43543.74451.09351.10301.10302.69412.69414.58594.02774.0277
O21.45191.45962.41032.05092.12112.12112.10732.10733.37552.65862.6586
C32.43541.45961.52743.34632.73072.73071.10471.10472.17182.16712.1671
C43.74452.41031.52744.46094.11524.11522.18142.18141.09801.09591.0959
H51.09352.05093.34634.46091.79121.79123.67123.67125.41054.59794.5979
H61.10302.12112.73074.11521.79121.79263.09142.52084.83314.28494.6416
H71.10302.12112.73074.11521.79121.79262.52083.09144.83314.64164.2849
H82.69412.10731.10472.18143.67123.09142.52081.78662.52663.08922.5239
H92.69412.10731.10472.18143.67122.52083.09141.78662.52662.52393.0892
H104.58593.37552.17181.09805.41054.83314.83312.52662.52661.78251.7825
H114.02772.65862.16711.09594.59794.28494.64163.08922.52391.78251.7760
H124.02772.65862.16711.09594.59794.64164.28492.52393.08921.78251.7760

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 113.538 O2 C1 H5 106.515
O2 C1 H6 111.516 O2 C1 H7 111.516
O2 C3 C4 107.571 O2 C3 H8 109.754
O2 C3 H9 109.754 C3 C4 H10 110.559
C3 C4 H11 110.314 C3 C4 H12 110.314
C4 C3 H8 110.918 C4 C3 H9 110.918
H5 C1 H6 109.272 H5 C1 H7 109.272
H6 C1 H7 108.697 H8 C3 H9 107.925
H10 C4 H11 108.674 H10 C4 H12 108.674
H11 C4 H12 108.245
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.445      
2 O -0.319      
3 C -0.163      
4 C -0.621      
5 H 0.222      
6 H 0.187      
7 H 0.187      
8 H 0.171      
9 H 0.171      
10 H 0.183      
11 H 0.214      
12 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.484 -0.987 0.000 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.640 2.307 0.000
y 2.307 -25.042 0.000
z 0.000 0.000 -26.124
Traceless
 xyz
x 0.942 2.307 0.000
y 2.307 0.340 0.000
z 0.000 0.000 -1.283
Polar
3z2-r2-2.566
x2-y20.401
xy2.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.510 0.769 0.000
y 0.769 5.758 0.000
z 0.000 0.000 4.707


<r2> (average value of r2) Å2
<r2> 106.264
(<r2>)1/2 10.308