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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-194.065940
Energy at 298.15K-194.074868
HF Energy-194.065940
Nuclear repulsion energy132.370978
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 HSEh1PBE/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' 3189 3051 24.61      
2 A' 3170 3032 25.65      
3 A' 3080 2946 16.52      
4 A' 3017 2886 72.99      
5 A' 3001 2870 37.24      
6 A' 1574 1505 2.14      
7 A' 1551 1483 1.45      
8 A' 1545 1478 15.29      
9 A' 1504 1439 0.74      
10 A' 1461 1398 22.07      
11 A' 1434 1372 14.44      
12 A' 1233 1180 26.63      
13 A' 1149 1100 67.96      
14 A' 1134 1085 51.69      
15 A' 1048 1003 15.12      
16 A' 857 820 11.54      
17 A' 465 445 1.06      
18 A' 281 269 4.37      
19 A" 3179 3041 27.39      
20 A" 3079 2945 67.25      
21 A" 3041 2909 70.45      
22 A" 1529 1463 17.10      
23 A" 1529 1463 0.46      
24 A" 1317 1260 0.18      
25 A" 1209 1157 10.56      
26 A" 1169 1118 0.04      
27 A" 856 818 1.45      
28 A" 257 246 2.83      
29 A" 205 196 1.62      
30 A" 113 108 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 24087.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 23041.8 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 HSEh1PBE/6-31G
ABC
0.92482 0.13602 0.12713

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.315 1.285 0.000
O2 0.000 0.709 0.000
C3 0.008 -0.734 0.000
C4 -1.432 -1.197 0.000
H5 1.180 2.367 0.000
H6 1.886 0.991 0.893
H7 1.886 0.991 -0.893
H8 0.544 -1.105 -0.889
H9 0.544 -1.105 0.889
H10 -1.487 -2.291 0.000
H11 -1.951 -0.820 0.886
H12 -1.951 -0.820 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.43562.40533.70201.09021.09991.09992.66382.66384.54293.98503.9850
O21.43561.44322.38392.03512.10552.10552.09212.09213.34812.63202.6320
C32.40531.44321.51213.31522.70162.70161.10221.10222.15832.15122.1512
C43.70202.38391.51214.41864.07304.07302.16852.16851.09481.09361.0936
H51.09022.03513.31524.41861.78581.78583.63983.63985.36734.55454.5545
H61.09992.10552.70164.07301.78581.78583.06032.48834.78984.24244.6001
H71.09992.10552.70164.07301.78581.78582.48833.06034.78984.60014.2424
H82.66382.09211.10222.16853.63983.06032.48831.77722.51453.07472.5112
H92.66382.09211.10222.16853.63982.48833.06031.77722.51452.51123.0747
H104.54293.34812.15831.09485.36734.78984.78982.51452.51451.77801.7780
H113.98502.63202.15121.09364.55454.24244.60013.07472.51121.77801.7713
H123.98502.63202.15121.09364.55454.60014.24242.51123.07471.77801.7713

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 113.338 O2 C1 H5 106.553
O2 C1 H6 111.595 O2 C1 H7 111.595
O2 C3 C4 107.518 O2 C3 H8 109.827
O2 C3 H9 109.827 C3 C4 H10 110.753
C3 C4 H11 110.258 C3 C4 H12 110.258
C4 C3 H8 111.115 C4 C3 H9 111.115
H5 C1 H6 109.251 H5 C1 H7 109.251
H6 C1 H7 108.543 H8 C3 H9 107.447
H10 C4 H11 108.672 H10 C4 H12 108.672
H11 C4 H12 108.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 O -0.530      
3 C -0.056      
4 C -0.488      
5 H 0.185      
6 H 0.150      
7 H 0.150      
8 H 0.147      
9 H 0.147      
10 H 0.158      
11 H 0.181      
12 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.286 -0.880 0.000 1.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.898 2.281 0.000
y 2.281 -25.172 0.000
z 0.000 0.000 -26.499
Traceless
 xyz
x 0.937 2.281 0.000
y 2.281 0.527 0.000
z 0.000 0.000 -1.464
Polar
3z2-r2-2.927
x2-y20.273
xy2.281
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.639 0.729 0.000
y 0.729 5.889 0.000
z 0.000 0.000 4.909


<r2> (average value of r2) Å2
<r2> 104.637
(<r2>)1/2 10.229