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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-194.166616
Energy at 298.15K-194.175454
HF Energy-194.166616
Nuclear repulsion energy133.057039
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/Def2TZVPP
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' 3054 3018 21.22      
2 A' 3050 3013 25.53      
3 A' 2979 2943 16.79      
4 A' 2896 2861 87.81      
5 A' 2876 2841 42.96      
6 A' 1474 1456 2.42      
7 A' 1453 1436 1.90      
8 A' 1446 1428 7.95      
9 A' 1420 1403 0.35      
10 A' 1369 1353 28.53      
11 A' 1344 1328 0.93      
12 A' 1188 1173 28.63      
13 A' 1119 1105 149.75      
14 A' 1079 1066 3.46      
15 A' 1009 996 18.14      
16 A' 840 829 10.70      
17 A' 455 449 0.50      
18 A' 279 276 2.55      
19 A" 3055 3018 24.30      
20 A" 2936 2901 56.21      
21 A" 2899 2864 73.44      
22 A" 1431 1413 12.00      
23 A" 1429 1412 1.26      
24 A" 1251 1236 1.55      
25 A" 1153 1139 8.38      
26 A" 1123 1109 0.14      
27 A" 797 787 0.56      
28 A" 252 249 1.74      
29 A" 204 201 0.75      
30 A" 116 115 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 22986.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 22708.2 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/Def2TZVPP
ABC
0.93317 0.13778 0.12890

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.269 1.301 0.000
O2 0.000 0.702 0.000
C3 0.023 -0.721 0.000
C4 -1.404 -1.218 0.000
H5 1.114 2.387 0.000
H6 1.860 1.030 0.896
H7 1.860 1.030 -0.896
H8 0.565 -1.097 -0.890
H9 0.565 -1.097 0.890
H10 -1.421 -2.317 0.000
H11 -1.936 -0.865 0.891
H12 -1.936 -0.865 -0.891

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40312.37453.67291.09701.10681.10682.65282.65284.50843.96953.9695
O21.40311.42322.37892.01922.09002.09002.08522.08523.33722.64552.6455
C32.37451.42321.51173.29312.69042.69041.10731.10732.15292.15752.1575
C43.67292.37891.51174.39684.06284.06282.16402.16401.09971.09641.0964
H51.09702.01923.29314.39681.78901.78903.63723.63725.34334.54614.5461
H61.10682.09002.69044.06281.78901.79193.06402.48994.77144.24214.6033
H71.10682.09002.69044.06281.78901.79192.48993.06404.77144.60334.2421
H82.65282.08521.10732.16403.63723.06402.48991.77942.49453.07902.5115
H92.65282.08521.10732.16403.63722.48993.06401.77942.49452.51153.0790
H104.50843.33722.15291.09975.34334.77144.77142.49452.49451.78051.7805
H113.96952.64552.15751.09644.54614.24214.60333.07902.51151.78051.7830
H123.96952.64552.15751.09644.54614.60334.24212.51153.07901.78051.7830

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 114.305 O2 C1 H5 107.101
O2 C1 H6 112.216 O2 C1 H7 112.216
O2 C3 C4 108.257 O2 C3 H8 110.356
O2 C3 H9 110.356 C3 C4 H10 110.057
C3 C4 H11 110.618 C3 C4 H12 110.618
C4 C3 H8 110.479 C4 C3 H9 110.479
H5 C1 H6 108.547 H5 C1 H7 108.547
H6 C1 H7 108.100 H8 C3 H9 106.924
H10 C4 H11 108.342 H10 C4 H12 108.342
H11 C4 H12 108.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 O -0.258      
3 C 0.019      
4 C -0.232      
5 H 0.108      
6 H 0.076      
7 H 0.076      
8 H 0.055      
9 H 0.055      
10 H 0.073      
11 H 0.085      
12 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.823 -0.665 0.000 1.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.168 1.718 0.000
y 1.718 -26.026 0.000
z 0.000 0.000 -26.966
Traceless
 xyz
x 0.328 1.718 0.000
y 1.718 0.541 0.000
z 0.000 0.000 -0.869
Polar
3z2-r2-1.738
x2-y2-0.142
xy1.718
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.303 0.922 0.000
y 0.922 7.237 0.000
z 0.000 0.000 6.219


<r2> (average value of r2) Å2
<r2> 104.162
(<r2>)1/2 10.206