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

using model chemistry: PBEPBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-194.103001
Energy at 298.15K-194.111854
HF Energy-194.103001
Nuclear repulsion energy132.615028
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/6-31+G**
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' 3068 3033 22.75      
2 A' 3067 3032 25.04      
3 A' 2987 2953 18.79      
4 A' 2903 2870 100.30      
5 A' 2883 2850 49.68      
6 A' 1480 1463 2.32      
7 A' 1459 1443 0.86      
8 A' 1452 1436 12.01      
9 A' 1425 1409 0.31      
10 A' 1377 1362 33.98      
11 A' 1345 1329 2.20      
12 A' 1189 1176 35.25      
13 A' 1126 1113 145.54      
14 A' 1081 1069 3.79      
15 A' 1010 998 20.16      
16 A' 842 832 12.05      
17 A' 455 450 0.51      
18 A' 281 277 2.90      
19 A" 3073 3038 24.28      
20 A" 2950 2916 58.92      
21 A" 2912 2879 81.02      
22 A" 1438 1422 12.39      
23 A" 1436 1420 4.09      
24 A" 1253 1239 1.76      
25 A" 1153 1140 9.62      
26 A" 1124 1112 0.25      
27 A" 799 790 0.52      
28 A" 257 254 2.24      
29 A" 209 207 1.20      
30 A" 117 115 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 23074.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 22811.9 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/6-31+G**
ABC
0.92724 0.13684 0.12804

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.323 1.250 0.000
O2 0.006 0.720 0.000
C3 0.000 -0.707 0.000
C4 -1.443 -1.189 0.000
H5 1.231 2.347 0.000
H6 1.892 0.936 0.901
H7 1.892 0.936 -0.901
H8 0.541 -1.087 -0.895
H9 0.541 -1.087 0.895
H10 -1.478 -2.291 0.000
H11 -1.975 -0.823 0.893
H12 -1.975 -0.823 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41932.36233.68761.10071.11091.11092.62202.62204.51483.99613.9961
O21.41931.42662.39642.03672.10052.10052.08602.08603.35662.66502.6650
C32.36231.42661.52133.29282.66212.66211.11311.11312.16642.17032.1703
C43.68762.39641.52134.43314.05504.05502.17912.17911.10271.10191.1019
H51.10072.03673.29284.43311.80021.80023.61523.61525.37114.59604.5960
H61.11092.10052.66214.05501.80021.80133.02312.43184.75134.24754.6107
H71.11092.10052.66214.05501.80021.80132.43183.02314.75134.61074.2475
H82.62202.08601.11312.17913.61523.02312.43181.79082.51563.09802.5296
H92.62202.08601.11312.17913.61522.43183.02311.79082.51562.52963.0980
H104.51483.35662.16641.10275.37114.75134.75132.51562.51561.78861.7886
H113.99612.66502.17031.10194.59604.24754.61073.09802.52961.78861.7862
H123.99612.66502.17031.10194.59604.61074.24752.52963.09801.78861.7862

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 112.210 O2 C1 H5 107.171
O2 C1 H6 111.658 O2 C1 H7 111.658
O2 C3 C4 108.724 O2 C3 H8 109.825
O2 C3 H9 109.825 C3 C4 H10 110.284
C3 C4 H11 110.644 C3 C4 H12 110.644
C4 C3 H8 110.671 C4 C3 H9 110.671
H5 C1 H6 108.975 H5 C1 H7 108.975
H6 C1 H7 108.341 H8 C3 H9 107.116
H10 C4 H11 108.452 H10 C4 H12 108.452
H11 C4 H12 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.268      
2 O -0.278      
3 C -0.105      
4 C -0.622      
5 H 0.165      
6 H 0.144      
7 H 0.144      
8 H 0.142      
9 H 0.142      
10 H 0.167      
11 H 0.185      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.975 -0.781 0.000 1.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.111 2.009 0.000
y 2.009 -26.135 0.000
z 0.000 0.000 -27.164
Traceless
 xyz
x 0.538 2.009 0.000
y 2.009 0.503 0.000
z 0.000 0.000 -1.041
Polar
3z2-r2-2.082
x2-y20.024
xy2.009
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.006 0.780 0.000
y 0.780 6.913 0.000
z 0.000 0.000 5.923


<r2> (average value of r2) Å2
<r2> 104.810
(<r2>)1/2 10.238