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

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-193.131374
Energy at 298.15K-193.140528
HF Energy-193.131374
Nuclear repulsion energy134.215642
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 HF/aug-cc-pVDZ
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' 3266 2974 45.10      
2 A' 3242 2952 45.95      
3 A' 3173 2890 23.22      
4 A' 3138 2857 108.34      
5 A' 3122 2843 30.46      
6 A' 1631 1485 2.10      
7 A' 1601 1457 5.68      
8 A' 1598 1455 2.11      
9 A' 1584 1442 0.95      
10 A' 1545 1407 37.67      
11 A' 1497 1363 3.86      
12 A' 1348 1227 72.27      
13 A' 1269 1155 168.40      
14 A' 1196 1089 7.32      
15 A' 1113 1014 17.50      
16 A' 936 852 12.64      
17 A' 496 451 0.70      
18 A' 308 281 2.70      
19 A" 3252 2962 51.36      
20 A" 3183 2899 82.12      
21 A" 3154 2872 53.78      
22 A" 1591 1449 7.03      
23 A" 1577 1436 4.32      
24 A" 1400 1275 2.54      
25 A" 1288 1173 11.26      
26 A" 1254 1142 0.04      
27 A" 875 796 0.03      
28 A" 281 256 1.93      
29 A" 216 196 2.41      
30 A" 114 104 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 25122.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 22876.6 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 HF/aug-cc-pVDZ
ABC
0.96330 0.13905 0.13043

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.263 1.291 0.000
O2 0.000 0.699 0.000
C3 0.025 -0.701 0.000
C4 -1.398 -1.221 0.000
H5 1.122 2.369 0.000
H6 1.836 1.009 0.889
H7 1.836 1.009 -0.889
H8 0.563 -1.063 -0.883
H9 0.563 -1.063 0.883
H10 -1.397 -2.313 0.000
H11 -1.932 -0.874 0.884
H12 -1.932 -0.874 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39472.34533.65941.08711.09461.09462.60992.60994.47863.95963.9596
O21.39471.40022.37512.01172.06322.06322.04992.04993.31952.64392.6439
C32.34531.40021.51513.25992.64442.64441.09581.09582.14902.15482.1548
C43.65942.37511.51514.38614.02764.02762.15672.15671.09111.08991.0899
H51.08712.01173.25994.38611.77501.77503.58763.58765.31584.54164.5416
H61.09462.06322.64444.02761.77501.77753.00872.43164.71924.21264.5705
H71.09462.06322.64444.02761.77501.77752.43163.00874.71924.57054.2126
H82.60992.04991.09582.15673.58763.00872.43161.76642.48653.06392.5027
H92.60992.04991.09582.15673.58762.43163.00871.76642.48652.50273.0639
H104.47863.31952.14901.09115.31584.71924.71922.48652.48651.77111.7711
H113.95962.64392.15481.08994.54164.21264.57053.06392.50271.77111.7683
H123.95962.64392.15481.08994.54164.57054.21262.50273.06391.77111.7683

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 114.096 O2 C1 H5 107.659
O2 C1 H6 111.388 O2 C1 H7 111.388
O2 C3 C4 109.058 O2 C3 H8 109.825
O2 C3 H9 109.825 C3 C4 H10 110.027
C3 C4 H11 110.559 C3 C4 H12 110.559
C4 C3 H8 110.354 C4 C3 H9 110.354
H5 C1 H6 108.889 H5 C1 H7 108.889
H6 C1 H7 108.569 H8 C3 H9 107.410
H10 C4 H11 108.600 H10 C4 H12 108.600
H11 C4 H12 108.438
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.785      
2 O -0.865      
3 C 0.707      
4 C 0.223      
5 H -0.266      
6 H -0.072      
7 H -0.072      
8 H -0.154      
9 H -0.154      
10 H -0.037      
11 H -0.048      
12 H -0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.061 -0.733 0.000 1.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.040 1.699 0.000
y 1.699 -25.830 0.000
z 0.000 0.000 -26.598
Traceless
 xyz
x 0.174 1.699 0.000
y 1.699 0.488 0.000
z 0.000 0.000 -0.663
Polar
3z2-r2-1.326
x2-y2-0.209
xy1.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.620 0.720 0.000
y 0.720 6.670 0.000
z 0.000 0.000 5.726


<r2> (average value of r2) Å2
<r2> 102.979
(<r2>)1/2 10.148