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

using model chemistry: PBEPBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-194.162536
Energy at 298.15K-194.171377
HF Energy-194.162536
Nuclear repulsion energy132.966065
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 PBEPBE/aug-cc-pVTZ
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' 3047 3027 20.52      
2 A' 3043 3023 23.92      
3 A' 2974 2955 17.10      
4 A' 2892 2873 90.31      
5 A' 2872 2853 45.67      
6 A' 1469 1460 2.93      
7 A' 1450 1441 1.72      
8 A' 1443 1434 8.11      
9 A' 1416 1407 0.46      
10 A' 1366 1357 26.75      
11 A' 1341 1332 0.86      
12 A' 1185 1178 27.24      
13 A' 1115 1108 153.18      
14 A' 1077 1070 3.22      
15 A' 1005 999 18.64      
16 A' 837 832 11.03      
17 A' 453 450 0.50      
18 A' 279 277 2.59      
19 A" 3049 3029 23.63      
20 A" 2931 2912 53.79      
21 A" 2893 2875 72.09      
22 A" 1430 1421 13.23      
23 A" 1428 1419 0.47      
24 A" 1251 1243 1.52      
25 A" 1149 1141 8.37      
26 A" 1121 1114 0.07      
27 A" 795 790 0.59      
28 A" 248 247 1.63      
29 A" 203 202 0.75      
30 A" 116 115 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 22938.7 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 22789.6 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 PBEPBE/aug-cc-pVTZ
ABC
0.93346 0.13747 0.12864

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.317 1.250 0.000
O2 0.003 0.721 0.000
C3 0.000 -0.703 0.000
C4 -1.435 -1.192 0.000
H5 1.231 2.343 0.000
H6 1.883 0.933 0.897
H7 1.883 0.933 -0.897
H8 0.543 -1.078 -0.892
H9 0.543 -1.078 0.892
H10 -1.462 -2.290 0.000
H11 -1.968 -0.832 0.890
H12 -1.968 -0.832 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41642.35523.67921.09711.10701.10702.61032.61034.50073.98953.9895
O21.41641.42392.39332.03452.09402.09402.07922.07923.34902.66242.6624
C32.35521.42391.51623.28552.65092.65091.10921.10922.15832.16382.1638
C43.67922.39331.51624.42784.04134.04132.17242.17241.09881.09831.0983
H51.09712.03453.28554.42781.79441.79443.60213.60215.35944.59404.5940
H61.10702.09402.65094.04131.79441.79393.00692.41714.73154.23634.5979
H71.10702.09402.65094.04131.79441.79392.41713.00694.73154.59794.2363
H82.61032.07921.10922.17243.60213.00692.41711.78342.50673.08842.5225
H92.61032.07921.10922.17243.60212.41713.00691.78342.50672.52253.0884
H104.50073.34902.15831.09885.35944.73154.73152.50672.50671.78221.7822
H113.98952.66242.16381.09834.59404.23634.59793.08842.52251.78221.7807
H123.98952.66242.16381.09834.59404.59794.23632.52253.08841.78221.7807

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 112.039 O2 C1 H5 107.400
O2 C1 H6 111.578 O2 C1 H7 111.578
O2 C3 C4 108.939 O2 C3 H8 109.709
O2 C3 H9 109.709 C3 C4 H10 110.223
C3 C4 H11 110.692 C3 C4 H12 110.692
C4 C3 H8 110.725 C4 C3 H9 110.725
H5 C1 H6 108.994 H5 C1 H7 108.994
H6 C1 H7 108.241 H8 C3 H9 107.015
H10 C4 H11 108.416 H10 C4 H12 108.416
H11 C4 H12 108.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 O -0.409      
3 C 0.007      
4 C -0.654      
5 H 0.240      
6 H 0.234      
7 H 0.234      
8 H 0.178      
9 H 0.178      
10 H 0.212      
11 H 0.190      
12 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.827 -0.707 0.000 1.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.351 1.768 0.000
y 1.768 -26.176 0.000
z 0.000 0.000 -27.037
Traceless
 xyz
x 0.256 1.768 0.000
y 1.768 0.518 0.000
z 0.000 0.000 -0.774
Polar
3z2-r2-1.548
x2-y2-0.175
xy1.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.860 0.917 0.000
y 0.917 7.671 0.000
z 0.000 0.000 6.551


<r2> (average value of r2) Å2
<r2> 104.400
(<r2>)1/2 10.218