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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-194.281013
Energy at 298.15K-194.289992
HF Energy-194.281013
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 wB97X-D/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' 3168 3005 27.40      
2 A' 3165 3002 33.72      
3 A' 3086 2927 17.02      
4 A' 3003 2848 86.63      
5 A' 2988 2834 35.75      
6 A' 1573 1492 1.41      
7 A' 1542 1463 2.78      
8 A' 1538 1459 9.03      
9 A' 1515 1437 0.04      
10 A' 1461 1386 42.89      
11 A' 1423 1350 5.12      
12 A' 1270 1205 76.74      
13 A' 1212 1149 113.12      
14 A' 1139 1081 6.68      
15 A' 1064 1009 16.84      
16 A' 894 848 9.43      
17 A' 479 455 0.61      
18 A' 296 281 2.91      
19 A" 3173 3010 27.66      
20 A" 3050 2893 65.77      
21 A" 3020 2865 85.56      
22 A" 1520 1442 7.59      
23 A" 1516 1438 4.21      
24 A" 1321 1253 1.81      
25 A" 1224 1161 10.75      
26 A" 1189 1128 0.09      
27 A" 839 796 0.40      
28 A" 265 252 2.41      
29 A" 208 197 1.31      
30 A" 113 108 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 24127.2 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 22884.6 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 wB97X-D/6-31G*
ABC
0.94420 0.13949 0.13053

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.266 1.281 0.000
O2 0.000 0.700 0.000
C3 0.026 -0.712 0.000
C4 -1.402 -1.202 0.000
H5 1.119 2.364 0.000
H6 1.849 1.001 0.893
H7 1.849 1.001 -0.893
H8 0.560 -1.093 -0.886
H9 0.560 -1.093 0.886
H10 -1.427 -2.298 0.000
H11 -1.925 -0.840 0.889
H12 -1.925 -0.840 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39292.34743.64391.09291.10251.10252.63102.63104.47893.93333.9333
O21.39291.41222.36212.00582.07522.07522.07712.07713.32002.62062.6206
C32.34741.41221.50913.26482.65642.65641.10261.10262.15082.14772.1477
C43.64392.36211.50914.36684.02694.02692.15492.15491.09651.09291.0929
H51.09292.00583.26484.36681.78491.78493.61293.61295.31214.50854.5085
H61.10252.07522.65644.02691.78491.78583.03582.45974.73454.19934.5616
H71.10252.07522.65644.02691.78491.78582.45973.03584.73454.56164.1993
H82.63102.07711.10262.15493.61293.03582.45971.77272.48683.06412.4975
H92.63102.07711.10262.15493.61292.45973.03581.77272.48682.49753.0641
H104.47893.32002.15081.09655.31214.73454.73452.48682.48681.77811.7781
H113.93332.62062.14771.09294.50854.19934.56163.06412.49751.77811.7777
H123.93332.62062.14771.09294.50854.56164.19932.49753.06411.77811.7777

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 113.611 O2 C1 H5 106.971
O2 C1 H6 112.010 O2 C1 H7 112.010
O2 C3 C4 107.867 O2 C3 H8 110.766
O2 C3 H9 110.766 C3 C4 H10 110.267
C3 C4 H11 110.233 C3 C4 H12 110.233
C4 C3 H8 110.229 C4 C3 H9 110.229
H5 C1 H6 108.791 H5 C1 H7 108.791
H6 C1 H7 108.180 H8 C3 H9 107.003
H10 C4 H11 108.610 H10 C4 H12 108.610
H11 C4 H12 108.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 O -0.467      
3 C -0.038      
4 C -0.509      
5 H 0.179      
6 H 0.142      
7 H 0.142      
8 H 0.134      
9 H 0.134      
10 H 0.162      
11 H 0.178      
12 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.958 -0.698 0.000 1.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.070 1.802 0.000
y 1.802 -25.191 0.000
z 0.000 0.000 -26.266
Traceless
 xyz
x 0.659 1.802 0.000
y 1.802 0.477 0.000
z 0.000 0.000 -1.136
Polar
3z2-r2-2.271
x2-y20.121
xy1.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.669 0.643 0.000
y 0.643 5.803 0.000
z 0.000 0.000 5.071


<r2> (average value of r2) Å2
<r2> 102.573
(<r2>)1/2 10.128