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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-194.110111
Energy at 298.15K-194.118931
HF Energy-194.110111
Nuclear repulsion energy132.531843
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 PBEPBEultrafine/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' 3064 3046 22.41      
2 A' 3063 3044 23.17      
3 A' 2980 2962 17.85      
4 A' 2898 2881 98.15      
5 A' 2883 2865 42.65      
6 A' 1447 1439 2.91      
7 A' 1425 1416 0.76      
8 A' 1421 1412 7.63      
9 A' 1393 1385 1.32      
10 A' 1354 1345 27.23      
11 A' 1317 1309 1.37      
12 A' 1176 1169 28.07      
13 A' 1115 1109 144.79      
14 A' 1070 1064 4.27      
15 A' 1010 1004 20.27      
16 A' 835 830 10.75      
17 A' 455 452 0.51      
18 A' 280 279 2.57      
19 A" 3067 3048 24.70      
20 A" 2948 2930 54.09      
21 A" 2914 2896 74.77      
22 A" 1406 1398 11.95      
23 A" 1404 1395 1.64      
24 A" 1236 1228 1.51      
25 A" 1138 1132 8.05      
26 A" 1108 1102 0.03      
27 A" 788 783 0.54      
28 A" 247 246 1.59      
29 A" 200 199 1.05      
30 A" 113 113 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 22878.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 22739.3 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.92310 0.13693 0.12811

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.322 1.250 0.000
O2 0.003 0.723 0.000
C3 0.000 -0.705 0.000
C4 -1.440 -1.191 0.000
H5 1.233 2.350 0.000
H6 1.889 0.930 0.903
H7 1.889 0.930 -0.903
H8 0.545 -1.081 -0.898
H9 0.545 -1.081 0.898
H10 -1.466 -2.296 0.000
H11 -1.975 -0.829 0.897
H12 -1.975 -0.829 -0.897

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.42032.36023.68561.10371.11371.11372.61622.61624.51123.99893.9989
O21.42031.42842.39662.03972.10182.10182.08722.08723.35792.66872.6687
C32.36021.42841.51933.29482.65702.65701.11571.11572.16382.17232.1723
C43.68562.39661.51934.43634.04924.04922.18132.18131.10581.10531.1053
H51.10372.03973.29484.43631.80661.80663.61313.61315.37374.60394.6039
H61.11372.10182.65704.04921.80661.80663.01602.41914.74194.24544.6112
H71.11372.10182.65704.04921.80661.80662.41913.01604.74194.61124.2454
H82.61622.08721.11572.18133.61313.01602.41911.79582.51583.10402.5327
H92.61622.08721.11572.18133.61312.41913.01601.79582.51582.53273.1040
H104.51123.35792.16381.10585.37374.74194.74192.51582.51581.79361.7936
H113.99892.66872.17231.10534.60394.24544.61123.10402.53271.79361.7933
H123.99892.66872.17231.10534.60394.61124.24542.53273.10401.79361.7933

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 111.892 O2 C1 H5 107.155
O2 C1 H6 111.503 O2 C1 H7 111.503
O2 C3 C4 108.749 O2 C3 H8 109.638
O2 C3 H9 109.638 C3 C4 H10 110.023
C3 C4 H11 110.732 C3 C4 H12 110.732
C4 C3 H8 110.813 C4 C3 H9 110.813
H5 C1 H6 109.119 H5 C1 H7 109.119
H6 C1 H7 108.392 H8 C3 H9 107.172
H10 C4 H11 108.425 H10 C4 H12 108.425
H11 C4 H12 108.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.869      
2 O -0.512      
3 C 0.954      
4 C 0.526      
5 H -0.372      
6 H -0.148      
7 H -0.148      
8 H -0.328      
9 H -0.328      
10 H -0.153      
11 H -0.180      
12 H -0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.831 -0.712 0.000 1.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.445 1.774 0.000
y 1.774 -26.267 0.000
z 0.000 0.000 -27.153
Traceless
 xyz
x 0.264 1.774 0.000
y 1.774 0.533 0.000
z 0.000 0.000 -0.797
Polar
3z2-r2-1.594
x2-y2-0.179
xy1.774
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.892 0.929 0.000
y 0.929 7.717 0.000
z 0.000 0.000 6.579


<r2> (average value of r2) Å2
<r2> 104.891
(<r2>)1/2 10.242