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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-37.683666
Energy at 298.15K-37.692504
HF Energy-37.683666
Nuclear repulsion energy77.005248
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 B3LYP/CEP-121G
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' 3111 3031 40.18      
2 A' 3086 3007 47.15      
3 A' 2999 2923 27.37      
4 A' 2943 2868 120.21      
5 A' 2929 2854 38.69      
6 A' 1540 1501 2.74      
7 A' 1521 1482 1.75      
8 A' 1510 1471 13.40      
9 A' 1474 1436 0.11      
10 A' 1435 1399 21.03      
11 A' 1405 1369 17.77      
12 A' 1207 1176 23.21      
13 A' 1113 1085 17.85      
14 A' 1100 1072 115.12      
15 A' 1008 982 16.87      
16 A' 826 805 14.31      
17 A' 444 432 0.87      
18 A' 270 263 4.04      
19 A" 3100 3021 52.36      
20 A" 3010 2933 100.55      
21 A" 2979 2903 74.06      
22 A" 1502 1463 8.04      
23 A" 1496 1458 6.86      
24 A" 1284 1252 0.45      
25 A" 1178 1148 10.08      
26 A" 1141 1111 0.04      
27 A" 828 807 0.67      
28 A" 246 239 2.71      
29 A" 196 191 2.05      
30 A" 105 102 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 23491.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 22892.7 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 B3LYP/CEP-121G
ABC
0.90965 0.13195 0.12338

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.334 1.310 0.000
O2 0.000 0.720 0.000
C3 0.009 -0.746 0.000
C4 -1.450 -1.221 0.000
H5 1.194 2.394 0.000
H6 1.902 1.015 0.898
H7 1.902 1.015 -0.898
H8 0.545 -1.113 -0.895
H9 0.545 -1.113 0.895
H10 -1.496 -2.319 0.000
H11 -1.973 -0.848 0.889
H12 -1.973 -0.848 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.45802.44583.76241.09361.10341.10342.70002.70004.60144.04694.0469
O21.45801.46672.42332.05612.12432.12432.11102.11103.38722.67232.6723
C32.44581.46671.53493.35672.73722.73721.10521.10522.17672.17452.1745
C43.76242.42331.53494.47914.12884.12882.18952.18951.09851.09631.0963
H51.09362.05613.35674.47911.79241.79243.67703.67705.42654.61834.6183
H61.10342.12432.73724.12881.79241.79633.09542.52354.84444.29964.6562
H71.10342.12432.73724.12881.79241.79632.52353.09544.84444.65624.2996
H82.70002.11101.10522.18953.67703.09542.52351.78912.53403.09672.5316
H92.70002.11101.10522.18953.67702.52353.09541.78912.53402.53163.0967
H104.60143.38722.17671.09855.42654.84444.84442.53402.53401.78311.7831
H114.04692.67232.17451.09634.61834.29964.65623.09672.53161.78311.7775
H124.04692.67232.17451.09634.61834.65624.29962.53163.09671.78311.7775

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 113.492 O2 C1 H5 106.500
O2 C1 H6 111.310 O2 C1 H7 111.310
O2 C3 C4 107.652 O2 C3 H8 109.534
O2 C3 H9 109.534 C3 C4 H10 110.401
C3 C4 H11 110.359 C3 C4 H12 110.359
C4 C3 H8 111.013 C4 C3 H9 111.013
H5 C1 H6 109.345 H5 C1 H7 109.345
H6 C1 H7 108.978 H8 C3 H9 108.084
H10 C4 H11 108.669 H10 C4 H12 108.669
H11 C4 H12 108.326
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.300      
2 O -0.278      
3 C -0.094      
4 C -0.445      
5 H 0.170      
6 H 0.132      
7 H 0.132      
8 H 0.116      
9 H 0.116      
10 H 0.136      
11 H 0.158      
12 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.364 -0.915 0.000 1.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.500 2.369 0.000
y 2.369 -25.690 0.000
z 0.000 0.000 -26.871
Traceless
 xyz
x 0.781 2.369 0.000
y 2.369 0.496 0.000
z 0.000 0.000 -1.276
Polar
3z2-r2-2.553
x2-y20.190
xy2.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.370 0.785 0.000
y 0.785 6.607 0.000
z 0.000 0.000 5.537


<r2> (average value of r2) Å2
<r2> 91.102
(<r2>)1/2 9.545