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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-194.335538
Energy at 298.15K-194.344535
HF Energy-194.335538
Nuclear repulsion energy134.156662
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 mPW1PW91/6-311G*
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' 3149 3006 36.22      
2 A' 3144 3001 31.94      
3 A' 3067 2927 20.12      
4 A' 2996 2860 98.77      
5 A' 2979 2843 38.72      
6 A' 1554 1483 2.88      
7 A' 1529 1460 5.53      
8 A' 1521 1451 7.46      
9 A' 1498 1430 0.49      
10 A' 1448 1382 39.11      
11 A' 1410 1346 0.74      
12 A' 1259 1201 55.15      
13 A' 1195 1141 139.49      
14 A' 1134 1082 5.92      
15 A' 1059 1010 19.66      
16 A' 888 847 10.91      
17 A' 472 450 0.57      
18 A' 290 277 2.74      
19 A" 3147 3004 35.45      
20 A" 3041 2902 75.08      
21 A" 3007 2870 82.15      
22 A" 1507 1438 10.55      
23 A" 1503 1434 5.80      
24 A" 1321 1260 2.10      
25 A" 1214 1159 10.29      
26 A" 1183 1129 0.32      
27 A" 831 793 0.32      
28 A" 270 258 2.32      
29 A" 215 205 1.35      
30 A" 119 113 2.85      

Unscaled Zero Point Vibrational Energy (zpe) 23973.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 22880.6 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 mPW1PW91/6-311G*
ABC
0.94962 0.13999 0.13101

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.311 1.231 0.000
O2 0.013 0.708 0.000
C3 0.000 -0.698 0.000
C4 -1.435 -1.167 0.000
H5 1.225 2.317 0.000
H6 1.875 0.920 0.890
H7 1.875 0.920 -0.890
H8 0.533 -1.080 -0.885
H9 0.533 -1.080 0.885
H10 -1.486 -2.258 0.000
H11 -1.958 -0.797 0.883
H12 -1.958 -0.797 -0.883

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39932.33263.64561.08941.09911.09912.59462.59464.47183.94663.9466
O21.39931.40602.36892.01482.07472.07472.06162.06163.32302.63202.6320
C32.33261.40601.50963.25482.63192.63191.10131.10132.15442.15012.1501
C43.64562.36891.50964.38354.01294.01292.15922.15921.09201.09131.0913
H51.08942.01483.25484.38351.77971.77973.57853.57855.31814.53944.5394
H61.09912.07472.63194.01291.77971.78082.99242.40894.71054.19964.5588
H71.09912.07472.63194.01291.77971.78082.40892.99244.71054.55884.1996
H82.59462.06161.10132.15923.57852.99242.40891.76982.49923.06752.5066
H92.59462.06161.10132.15923.57852.40892.99241.76982.49922.50663.0675
H104.47183.32302.15441.09205.31814.71054.71052.49922.49921.77141.7714
H113.94662.63202.15011.09134.53944.19964.55883.06752.50661.77141.7667
H123.94662.63202.15011.09134.53944.55884.19962.50663.06751.77141.7667

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 112.505 O2 C1 H5 107.458
O2 C1 H6 111.722 O2 C1 H7 111.722
O2 C3 C4 108.624 O2 C3 H8 110.025
O2 C3 H9 110.025 C3 C4 H10 110.784
C3 C4 H11 110.488 C3 C4 H12 110.488
C4 C3 H8 110.615 C4 C3 H9 110.615
H5 C1 H6 108.826 H5 C1 H7 108.826
H6 C1 H7 108.216 H8 C3 H9 106.935
H10 C4 H11 108.453 H10 C4 H12 108.453
H11 C4 H12 108.091
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.452      
2 O -0.331      
3 C -0.216      
4 C -0.672      
5 H 0.223      
6 H 0.196      
7 H 0.196      
8 H 0.190      
9 H 0.190      
10 H 0.217      
11 H 0.229      
12 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.980 -0.685 0.000 1.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.654 1.750 0.000
y 1.750 -25.537 0.000
z 0.000 0.000 -26.530
Traceless
 xyz
x 0.380 1.750 0.000
y 1.750 0.555 0.000
z 0.000 0.000 -0.935
Polar
3z2-r2-1.869
x2-y2-0.117
xy1.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.122 0.710 0.000
y 0.710 6.110 0.000
z 0.000 0.000 5.303


<r2> (average value of r2) Å2
<r2> 102.494
(<r2>)1/2 10.124