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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-194.292296
Energy at 298.15K-194.301288
HF Energy-194.292296
Nuclear repulsion energy133.998456
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 mPW1PW91/6-31G*
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' 3169 3006 25.43      
2 A' 3167 3003 31.53      
3 A' 3087 2928 15.99      
4 A' 3012 2857 83.01      
5 A' 2993 2838 39.01      
6 A' 1569 1488 1.13      
7 A' 1542 1462 5.08      
8 A' 1534 1454 6.84      
9 A' 1510 1432 0.03      
10 A' 1458 1382 41.33      
11 A' 1420 1347 5.07      
12 A' 1264 1199 69.46      
13 A' 1207 1145 117.85      
14 A' 1138 1079 6.17      
15 A' 1065 1010 17.30      
16 A' 893 847 9.13      
17 A' 472 448 0.59      
18 A' 290 275 2.91      
19 A" 3174 3009 26.10      
20 A" 3059 2901 65.41      
21 A" 3024 2867 79.02      
22 A" 1520 1442 7.56      
23 A" 1517 1438 4.14      
24 A" 1320 1251 1.44      
25 A" 1220 1157 9.90      
26 A" 1186 1125 0.28      
27 A" 834 791 0.57      
28 A" 270 256 2.31      
29 A" 217 206 1.14      
30 A" 119 113 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 24124.8 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 22877.6 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 mPW1PW91/6-31G*
ABC
0.94574 0.13978 0.13078

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.314 1.229 0.000
O2 0.014 0.708 0.000
C3 0.000 -0.698 0.000
C4 -1.439 -1.165 0.000
H5 1.229 2.318 0.000
H6 1.880 0.917 0.891
H7 1.880 0.917 -0.891
H8 0.532 -1.084 -0.886
H9 0.532 -1.084 0.886
H10 -1.489 -2.258 0.000
H11 -1.961 -0.793 0.886
H12 -1.961 -0.793 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40032.33273.64861.09181.10111.10112.59782.59784.47383.94923.9492
O21.40031.40682.37112.01682.07882.07882.06562.06563.32522.63402.6340
C32.33271.40681.51323.25702.63452.63451.10291.10292.15622.15372.1537
C43.64862.37111.51324.38784.01894.01892.16262.16261.09371.09301.0930
H51.09182.01683.25704.38781.78301.78303.58413.58415.32214.54294.5429
H61.10112.07882.63454.01891.78301.78242.99712.41354.71484.20474.5647
H71.10112.07882.63454.01891.78301.78242.41352.99714.71484.56474.2047
H82.59782.06561.10292.16263.58412.99712.41351.77152.49933.07192.5098
H92.59782.06561.10292.16263.58412.41352.99711.77152.49932.50983.0719
H104.47383.32522.15621.09375.32214.71484.71482.49932.49931.77541.7754
H113.94922.63402.15371.09304.54294.20474.56473.07192.50981.77541.7711
H123.94922.63402.15371.09304.54294.56474.20472.50983.07191.77541.7711

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 112.406 O2 C1 H5 107.405
O2 C1 H6 111.855 O2 C1 H7 111.855
O2 C3 C4 108.532 O2 C3 H8 110.194
O2 C3 H9 110.194 C3 C4 H10 110.581
C3 C4 H11 110.415 C3 C4 H12 110.415
C4 C3 H8 110.536 C4 C3 H9 110.536
H5 C1 H6 108.795 H5 C1 H7 108.795
H6 C1 H7 108.059 H8 C3 H9 106.850
H10 C4 H11 108.568 H10 C4 H12 108.568
H11 C4 H12 108.225
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 O -0.461      
3 C -0.059      
4 C -0.531      
5 H 0.183      
6 H 0.150      
7 H 0.150      
8 H 0.143      
9 H 0.143      
10 H 0.169      
11 H 0.185      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.942 -0.696 0.000 1.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.062 1.778 0.000
y 1.778 -25.186 0.000
z 0.000 0.000 -26.254
Traceless
 xyz
x 0.658 1.778 0.000
y 1.778 0.472 0.000
z 0.000 0.000 -1.129
Polar
3z2-r2-2.259
x2-y20.124
xy1.778
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.686 0.681 0.000
y 0.681 5.807 0.000
z 0.000 0.000 5.016


<r2> (average value of r2) Å2
<r2> 102.410
(<r2>)1/2 10.120