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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-194.302493
Energy at 298.15K-194.311478
HF Energy-194.302493
Nuclear repulsion energy133.993211
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' 3168 3015 23.54      
2 A' 3160 3006 30.54      
3 A' 3082 2932 15.61      
4 A' 3003 2858 82.58      
5 A' 2984 2840 39.13      
6 A' 1552 1477 1.36      
7 A' 1524 1450 4.66      
8 A' 1517 1443 6.51      
9 A' 1495 1422 0.05      
10 A' 1445 1375 41.15      
11 A' 1405 1337 3.47      
12 A' 1257 1196 73.32      
13 A' 1204 1145 114.27      
14 A' 1130 1075 6.09      
15 A' 1061 1010 17.10      
16 A' 889 846 8.86      
17 A' 471 448 0.61      
18 A' 290 275 2.92      
19 A" 3172 3018 24.49      
20 A" 3053 2905 63.06      
21 A" 3017 2871 76.86      
22 A" 1502 1430 7.84      
23 A" 1499 1426 3.57      
24 A" 1310 1247 1.50      
25 A" 1212 1153 9.53      
26 A" 1178 1121 0.32      
27 A" 829 789 0.64      
28 A" 268 255 2.22      
29 A" 215 204 1.11      
30 A" 118 113 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 24004.9 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 22840.6 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
0.94636 0.13972 0.13072

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 1.313 1.231 0.000
O2 0.013 0.708 0.000
C3 0.000 -0.699 0.000
C4 -1.439 -1.166 0.000
H5 1.230 2.319 0.000
H6 1.881 0.920 0.890
H7 1.881 0.920 -0.890
H8 0.532 -1.086 -0.885
H9 0.532 -1.086 0.885
H10 -1.488 -2.258 0.000
H11 -1.960 -0.795 0.885
H12 -1.960 -0.795 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40082.33413.64921.09121.10061.10062.60012.60014.47393.94943.9494
O21.40081.40732.37102.01852.07992.07992.06672.06673.32432.63352.6335
C32.33411.40731.51263.25892.63692.63691.10261.10262.15502.15252.1525
C43.64922.37101.51264.38944.02074.02072.16162.16161.09261.09201.0920
H51.09122.01853.25894.38941.78081.78083.58643.58645.32294.54464.5446
H61.10062.07992.63694.02071.78081.78012.99942.41784.71634.20664.5656
H71.10062.07992.63694.02071.78081.78012.41782.99944.71634.56564.2066
H82.60012.06671.10262.16163.58642.99942.41781.77002.49733.07022.5088
H92.60012.06671.10262.16163.58642.41782.99941.77002.49732.50883.0702
H104.47393.32432.15501.09265.32294.71634.71632.49732.49731.77361.7736
H113.94942.63352.15251.09204.54464.20664.56563.07022.50881.77361.7694
H123.94942.63352.15251.09204.54464.56564.20662.50883.07021.77361.7694

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 112.441 O2 C1 H5 107.544
O2 C1 H6 111.945 O2 C1 H7 111.945
O2 C3 C4 108.534 O2 C3 H8 110.262
O2 C3 H9 110.262 C3 C4 H10 110.590
C3 C4 H11 110.428 C3 C4 H12 110.428
C4 C3 H8 110.512 C4 C3 H9 110.512
H5 C1 H6 108.686 H5 C1 H7 108.686
H6 C1 H7 107.947 H8 C3 H9 106.761
H10 C4 H11 108.554 H10 C4 H12 108.554
H11 C4 H12 108.217
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 -0.126      
2 O -0.482      
3 C 0.026      
4 C -0.413      
5 H 0.140      
6 H 0.111      
7 H 0.111      
8 H 0.105      
9 H 0.105      
10 H 0.129      
11 H 0.147      
12 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.937 -0.695 0.000 1.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.014 1.801 0.000
y 1.801 -25.174 0.000
z 0.000 0.000 -26.258
Traceless
 xyz
x 0.702 1.801 0.000
y 1.801 0.462 0.000
z 0.000 0.000 -1.164
Polar
3z2-r2-2.328
x2-y20.160
xy1.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.799 0.708 0.000
y 0.708 5.913 0.000
z 0.000 0.000 5.093


<r2> (average value of r2) Å2
<r2> 102.431
(<r2>)1/2 10.121