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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-194.261020
Energy at 298.15K-194.269860
HF Energy-194.261020
Nuclear repulsion energy132.365290
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 BLYP/6-31G(2df,p)
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' 3041 3024 27.00      
2 A' 3031 3015 32.09      
3 A' 2972 2955 17.97      
4 A' 2882 2866 86.01      
5 A' 2858 2842 41.24      
6 A' 1496 1487 0.65      
7 A' 1469 1461 2.73      
8 A' 1460 1452 6.96      
9 A' 1439 1431 0.60      
10 A' 1381 1374 34.01      
11 A' 1361 1354 4.90      
12 A' 1196 1189 24.02      
13 A' 1096 1090 150.15      
14 A' 1081 1075 4.56      
15 A' 988 983 12.43      
16 A' 832 827 11.64      
17 A' 453 451 0.39      
18 A' 278 277 2.22      
19 A" 3043 3026 29.43      
20 A" 2913 2897 67.28      
21 A" 2878 2863 77.09      
22 A" 1447 1439 4.04      
23 A" 1443 1435 2.89      
24 A" 1257 1250 1.32      
25 A" 1168 1162 8.79      
26 A" 1134 1128 0.05      
27 A" 803 799 0.29      
28 A" 254 252 1.85      
29 A" 206 205 0.48      
30 A" 115 114 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 22987.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22861.2 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 BLYP/6-31G(2df,p)
ABC
0.92442 0.13617 0.12735

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.330 1.250 0.000
O2 0.012 0.718 0.000
C3 0.000 -0.711 0.000
C4 -1.456 -1.182 0.000
H5 1.239 2.346 0.000
H6 1.905 0.938 0.897
H7 1.905 0.938 -0.897
H8 0.538 -1.099 -0.892
H9 0.538 -1.099 0.892
H10 -1.502 -2.282 0.000
H11 -1.982 -0.810 0.892
H12 -1.982 -0.810 -0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.42162.36943.69781.09991.11011.11012.63482.63484.52734.00114.0011
O21.42161.42882.40062.03852.10622.10622.09152.09153.36032.66552.6655
C32.36941.42881.52993.29832.67432.67431.11181.11182.17372.17592.1759
C43.69782.40061.52994.43904.07314.07312.18552.18551.10101.10051.1005
H51.09992.03853.29834.43901.79741.79743.62723.62725.37864.59644.5964
H61.11012.10622.67434.07311.79741.79463.03672.45344.77294.26184.6220
H71.11012.10622.67434.07311.79741.79462.45343.03674.77294.62204.2618
H82.63482.09151.11182.18553.62723.03672.45341.78472.52123.10122.5367
H92.63482.09151.11182.18553.62722.45343.03671.78472.52122.53673.1012
H104.52733.36032.17371.10105.37864.77294.77292.52122.52121.78711.7871
H114.00112.66552.17591.10054.59644.26184.62203.10122.53671.78711.7831
H124.00112.66552.17591.10054.59644.62204.26182.53673.10121.78711.7831

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 112.452 O2 C1 H5 107.205
O2 C1 H6 112.010 O2 C1 H7 112.010
O2 C3 C4 108.406 O2 C3 H8 110.193
O2 C3 H9 110.193 C3 C4 H10 110.362
C3 C4 H11 110.565 C3 C4 H12 110.565
C4 C3 H8 110.647 C4 C3 H9 110.647
H5 C1 H6 108.837 H5 C1 H7 108.837
H6 C1 H7 107.866 H8 C3 H9 106.760
H10 C4 H11 108.532 H10 C4 H12 108.532
H11 C4 H12 108.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 O -0.171      
3 C -0.019      
4 C -0.343      
5 H 0.110      
6 H 0.088      
7 H 0.088      
8 H 0.068      
9 H 0.068      
10 H 0.099      
11 H 0.111      
12 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.755 -0.609 0.000 0.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.597 1.518 0.000
y 1.518 -25.611 0.000
z 0.000 0.000 -26.455
Traceless
 xyz
x 0.436 1.518 0.000
y 1.518 0.415 0.000
z 0.000 0.000 -0.852
Polar
3z2-r2-1.703
x2-y20.014
xy1.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.344 0.907 0.000
y 0.907 6.416 0.000
z 0.000 0.000 5.372


<r2> (average value of r2) Å2
<r2> 104.882
(<r2>)1/2 10.241