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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-194.222647
Energy at 298.15K-194.231536
HF Energy-194.222647
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3080 3019 35.21      
2 A' 3077 3017 39.13      
3 A' 3002 2944 21.52      
4 A' 2916 2859 106.37      
5 A' 2896 2839 42.65      
6 A' 1534 1504 0.36      
7 A' 1508 1479 2.67      
8 A' 1500 1471 8.46      
9 A' 1473 1444 0.63      
10 A' 1419 1391 37.23      
11 A' 1389 1361 10.36      
12 A' 1218 1194 31.02      
13 A' 1130 1108 159.51      
14 A' 1105 1084 4.74      
15 A' 1014 994 14.88      
16 A' 854 837 12.59      
17 A' 463 454 0.44      
18 A' 285 279 2.65      
19 A" 3084 3024 36.07      
20 A" 2953 2895 81.77      
21 A" 2923 2866 95.55      
22 A" 1486 1457 5.28      
23 A" 1482 1453 3.24      
24 A" 1285 1260 1.02      
25 A" 1189 1166 8.92      
26 A" 1154 1131 0.15      
27 A" 818 802 0.38      
28 A" 264 259 2.22      
29 A" 211 207 0.95      
30 A" 112 110 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 23412.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 22953.3 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 B97D3/6-31G*
ABC
0.92848 0.13757 0.12863

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.325 1.240 0.000
O2 0.010 0.718 0.000
C3 0.000 -0.706 0.000
C4 -1.448 -1.177 0.000
H5 1.237 2.334 0.000
H6 1.895 0.925 0.897
H7 1.895 0.925 -0.897
H8 0.536 -1.091 -0.891
H9 0.536 -1.091 0.891
H10 -1.492 -2.276 0.000
H11 -1.973 -0.805 0.891
H12 -1.973 -0.805 -0.891

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41532.35403.67881.09761.10811.10812.61772.61774.50533.98173.9817
O21.41531.42332.39072.02982.09772.09772.08442.08443.34912.65392.6539
C32.35401.42331.52293.28192.65542.65541.10951.10952.16612.16712.1671
C43.67882.39071.52294.42054.04924.04922.17712.17711.09951.09881.0988
H51.09762.02983.28194.42051.79531.79533.60843.60845.35744.57764.5776
H61.10812.09772.65544.04921.79531.79313.01762.43094.74534.23704.5985
H71.10812.09772.65544.04921.79531.79312.43093.01764.74534.59854.2370
H82.61772.08441.10952.17713.60843.01762.43091.78262.51243.09112.5258
H92.61772.08441.10952.17713.60842.43093.01761.78262.51242.52583.0911
H104.50533.34912.16611.09955.35744.74534.74532.51242.51241.78541.7854
H113.98172.65392.16711.09884.57764.23704.59853.09112.52581.78541.7812
H123.98172.65392.16711.09884.57764.59854.23702.52583.09111.78541.7812

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 114.066 O2 C1 H5 106.897
O2 C1 H6 112.356 O2 C1 H7 112.356
O2 C3 C4 107.999 O2 C3 H8 110.766
O2 C3 H9 110.766 C3 C4 H10 110.176
C3 C4 H11 110.428 C3 C4 H12 110.428
C4 C3 H8 110.287 C4 C3 H9 110.287
H5 C1 H6 108.609 H5 C1 H7 108.609
H6 C1 H7 107.901 H8 C3 H9 106.753
H10 C4 H11 108.493 H10 C4 H12 108.493
H11 C4 H12 108.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 O -0.438      
3 C -0.021      
4 C -0.465      
5 H 0.161      
6 H 0.130      
7 H 0.130      
8 H 0.120      
9 H 0.120      
10 H 0.147      
11 H 0.163      
12 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.872 -0.668 0.000 1.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.212 1.726 0.000
y 1.726 -25.291 0.000
z 0.000 0.000 -26.356
Traceless
 xyz
x 0.612 1.726 0.000
y 1.726 0.493 0.000
z 0.000 0.000 -1.105
Polar
3z2-r2-2.210
x2-y20.079
xy1.726
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.951 0.782 0.000
y 0.782 6.069 0.000
z 0.000 0.000 5.148


<r2> (average value of r2) Å2
<r2> 103.865
(<r2>)1/2 10.191