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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-194.318551
Energy at 298.15K-194.327370
HF Energy-194.318551
Nuclear repulsion energy131.207249
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/SDD
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' 3161 3039 37.92      
2 A' 3142 3021 44.27      
3 A' 3052 2934 24.28      
4 A' 2994 2878 114.02      
5 A' 2982 2867 44.11      
6 A' 1542 1482 4.63      
7 A' 1525 1466 2.73      
8 A' 1514 1456 14.60      
9 A' 1483 1426 0.64      
10 A' 1440 1384 25.33      
11 A' 1415 1360 10.75      
12 A' 1211 1164 21.70      
13 A' 1123 1080 21.71      
14 A' 1111 1068 96.02      
15 A' 1018 979 16.04      
16 A' 826 794 10.79      
17 A' 449 431 1.18      
18 A' 274 263 5.32      
19 A" 3155 3033 48.34      
20 A" 3060 2942 88.99      
21 A" 3030 2913 72.97      
22 A" 1504 1446 13.24      
23 A" 1503 1445 7.67      
24 A" 1291 1241 0.11      
25 A" 1181 1135 8.97      
26 A" 1143 1099 0.29      
27 A" 840 808 3.36      
28 A" 247 237 2.74      
29 A" 200 192 2.09      
30 A" 104 100 5.77      

Unscaled Zero Point Vibrational Energy (zpe) 23759.2 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 22839.7 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/SDD
ABC
0.91394 0.13308 0.12442

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.327 1.305 0.000
O2 0.000 0.716 0.000
C3 0.009 -0.744 0.000
C4 -1.444 -1.214 0.000
H5 1.186 2.389 0.000
H6 1.899 1.012 0.896
H7 1.899 1.012 -0.896
H8 0.544 -1.114 -0.893
H9 0.544 -1.114 0.893
H10 -1.494 -2.311 0.000
H11 -1.965 -0.839 0.888
H12 -1.965 -0.839 -0.888

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.45172.43573.74471.09351.10311.10312.69472.69474.58624.02804.0280
O21.45171.45962.41042.05092.12112.12112.10732.10733.37562.65892.6589
C32.43571.45961.52753.34652.73132.73131.10471.10472.17182.16732.1673
C43.74472.41041.52754.46104.11574.11572.18142.18141.09801.09601.0960
H51.09352.05093.34654.46101.79121.79123.67173.67175.41064.59804.5980
H61.10312.12112.73134.11571.79121.79273.09222.52164.83374.28554.6421
H71.10312.12112.73134.11571.79121.79272.52163.09224.83374.64214.2855
H82.69472.10731.10472.18143.67173.09222.52161.78672.52663.08932.5240
H92.69472.10731.10472.18143.67172.52163.09221.78672.52662.52403.0893
H104.58623.37562.17181.09805.41064.83374.83372.52662.52661.78251.7825
H114.02802.65892.16731.09604.59804.28554.64213.08932.52401.78251.7760
H124.02802.65892.16731.09604.59804.64214.28552.52403.08931.78251.7760

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 113.574 O2 C1 H5 106.523
O2 C1 H6 111.518 O2 C1 H7 111.518
O2 C3 C4 107.577 O2 C3 H8 109.755
O2 C3 H9 109.755 C3 C4 H10 110.557
C3 C4 H11 110.322 C3 C4 H12 110.322
C4 C3 H8 110.913 C4 C3 H9 110.913
H5 C1 H6 109.263 H5 C1 H7 109.263
H6 C1 H7 108.703 H8 C3 H9 107.928
H10 C4 H11 108.669 H10 C4 H12 108.669
H11 C4 H12 108.240
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.438      
2 O -0.320      
3 C -0.157      
4 C -0.619      
5 H 0.220      
6 H 0.185      
7 H 0.185      
8 H 0.169      
9 H 0.169      
10 H 0.182      
11 H 0.212      
12 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.483 -0.986 0.000 1.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.657 2.301 0.000
y 2.301 -25.048 0.000
z 0.000 0.000 -26.126
Traceless
 xyz
x 0.931 2.301 0.000
y 2.301 0.343 0.000
z 0.000 0.000 -1.274
Polar
3z2-r2-2.548
x2-y20.391
xy2.301
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.514 0.771 0.000
y 0.771 5.763 0.000
z 0.000 0.000 4.711


<r2> (average value of r2) Å2
<r2> 106.281
(<r2>)1/2 10.309