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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-37.741685
Energy at 298.15K-37.750596
HF Energy-37.741685
Nuclear repulsion energy77.902528
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' 3102 3007 47.29      
2 A' 3094 3000 43.46      
3 A' 3024 2932 24.80      
4 A' 2958 2867 117.12      
5 A' 2940 2850 41.35      
6 A' 1539 1492 1.20      
7 A' 1513 1467 3.15      
8 A' 1506 1460 8.81      
9 A' 1483 1438 0.17      
10 A' 1432 1388 37.06      
11 A' 1397 1355 7.22      
12 A' 1230 1192 38.09      
13 A' 1144 1109 163.23      
14 A' 1109 1075 4.58      
15 A' 1016 985 17.66      
16 A' 858 832 13.68      
17 A' 457 443 0.48      
18 A' 284 275 2.61      
19 A" 3103 3008 47.35      
20 A" 3000 2909 95.14      
21 A" 2972 2881 85.01      
22 A" 1494 1448 10.53      
23 A" 1493 1447 0.29      
24 A" 1296 1256 1.79      
25 A" 1191 1154 9.55      
26 A" 1161 1126 0.02      
27 A" 816 791 0.08      
28 A" 262 254 2.32      
29 A" 212 206 1.41      
30 A" 113 110 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 23599.7 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 22877.5 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
0.92940 0.13591 0.12717

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 1.333 1.251 0.000
O2 0.013 0.719 0.000
C3 0.000 -0.711 0.000
C4 -1.456 -1.185 0.000
H5 1.245 2.343 0.000
H6 1.898 0.937 0.896
H7 1.898 0.937 -0.896
H8 0.532 -1.093 -0.891
H9 0.532 -1.093 0.891
H10 -1.500 -2.283 0.000
H11 -1.981 -0.815 0.889
H12 -1.981 -0.815 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.42312.37143.70341.09561.10461.10462.63222.63224.52894.00534.0053
O21.42311.42982.40532.03882.09852.09852.08512.08513.36142.66852.6685
C32.37141.42981.53193.29782.66822.66821.10611.10612.17302.17422.1742
C43.70342.40531.53194.44414.06934.06932.18122.18121.09801.09661.0966
H51.09562.03883.29784.44411.79011.79013.62063.62065.37914.60194.6019
H61.10462.09852.66824.06931.79011.79103.02952.44674.76624.25694.6157
H71.10462.09852.66824.06931.79011.79102.44673.02954.76624.61574.2569
H82.63222.08511.10612.18123.62063.02952.44671.78192.51803.09252.5290
H92.63222.08511.10612.18123.62062.44673.02951.78192.51802.52903.0925
H104.52893.36142.17301.09805.37914.76624.76622.51802.51801.78161.7816
H114.00532.66852.17421.09664.60194.25694.61573.09252.52901.78161.7778
H124.00532.66852.17421.09664.60194.61574.25692.52903.09251.78161.7778

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 112.451 O2 C1 H5 107.375
O2 C1 H6 111.627 O2 C1 H7 111.627
O2 C3 C4 108.562 O2 C3 H8 109.966
O2 C3 H9 109.966 C3 C4 H10 110.341
C3 C4 H11 110.520 C3 C4 H12 110.520
C4 C3 H8 110.514 C4 C3 H9 110.514
H5 C1 H6 108.905 H5 C1 H7 108.905
H6 C1 H7 108.336 H8 C3 H9 107.317
H10 C4 H11 108.544 H10 C4 H12 108.544
H11 C4 H12 108.305
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 -0.329      
2 O -0.269      
3 C -0.100      
4 C -0.499      
5 H 0.180      
6 H 0.138      
7 H 0.138      
8 H 0.123      
9 H 0.123      
10 H 0.155      
11 H 0.168      
12 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.017 -0.725 0.000 1.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.810 1.873 0.000
y 1.873 -25.809 0.000
z 0.000 0.000 -26.816
Traceless
 xyz
x 0.502 1.873 0.000
y 1.873 0.504 0.000
z 0.000 0.000 -1.006
Polar
3z2-r2-2.012
x2-y2-0.001
xy1.873
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.510 0.736 0.000
y 0.736 6.578 0.000
z 0.000 0.000 5.713


<r2> (average value of r2) Å2
<r2> 89.295
(<r2>)1/2 9.450