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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-194.165093
Energy at 298.15K-194.174098
HF Energy-193.963653
Nuclear repulsion energy133.694944
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 B2PLYP/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' 3155 3155 35.61      
2 A' 3142 3142 33.27      
3 A' 3069 3069 19.85      
4 A' 3004 3004 95.19      
5 A' 2987 2987 38.88      
6 A' 1567 1567 1.83      
7 A' 1543 1543 5.67      
8 A' 1534 1534 6.99      
9 A' 1509 1509 0.06      
10 A' 1457 1457 38.23      
11 A' 1425 1425 1.94      
12 A' 1258 1258 38.10      
13 A' 1171 1171 144.67      
14 A' 1136 1136 5.89      
15 A' 1045 1045 17.89      
16 A' 881 881 13.48      
17 A' 473 473 0.56      
18 A' 293 293 2.69      
19 A" 3149 3149 35.80      
20 A" 3049 3049 75.48      
21 A" 3016 3016 80.69      
22 A" 1520 1520 9.14      
23 A" 1517 1517 5.33      
24 A" 1324 1324 1.90      
25 A" 1221 1221 10.68      
26 A" 1188 1188 0.02      
27 A" 838 838 0.12      
28 A" 272 272 2.43      
29 A" 218 218 1.42      
30 A" 115 115 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 24036.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24036.7 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 B2PLYP/6-311G*
ABC
0.94210 0.13900 0.13001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.234 0.000
O2 0.012 0.711 0.000
C3 0.000 -0.704 0.000
C4 -1.442 -1.168 0.000
H5 1.233 2.320 0.000
H6 1.881 0.921 0.890
H7 1.881 0.921 -0.890
H8 0.530 -1.085 -0.886
H9 0.530 -1.085 0.886
H10 -1.497 -2.259 0.000
H11 -1.961 -0.794 0.884
H12 -1.961 -0.794 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40922.34543.66111.08861.09811.09812.60512.60514.48793.95753.9575
O21.40921.41492.37592.01992.08092.08092.06812.06813.33112.63402.6340
C32.34541.41491.51503.26552.64022.64021.10031.10032.15852.15262.1526
C43.66112.37591.51504.39574.02484.02482.16402.16401.09211.09081.0908
H51.08862.01993.26554.39571.78041.78043.58713.58715.33094.54744.5474
H61.09812.08092.64024.02481.78041.78092.99992.41764.72384.20714.5659
H71.09812.08092.64024.02481.78041.78092.41762.99994.72384.56594.2071
H82.60512.06811.10032.16403.58712.99992.41761.77142.50503.06952.5081
H92.60512.06811.10032.16403.58712.41762.99991.77142.50502.50813.0695
H104.48793.33112.15851.09215.33094.72384.72382.50502.50501.77231.7723
H113.95752.63402.15261.09084.54744.20714.56593.06952.50811.77231.7676
H123.95752.63402.15261.09084.54744.56594.20712.50813.06951.77231.7676

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 112.302 O2 C1 H5 107.231
O2 C1 H6 111.582 O2 C1 H7 111.582
O2 C3 C4 108.322 O2 C3 H8 109.986
O2 C3 H9 109.986 C3 C4 H10 110.726
C3 C4 H11 110.337 C3 C4 H12 110.337
C4 C3 H8 110.671 C4 C3 H9 110.671
H5 C1 H6 109.011 H5 C1 H7 109.011
H6 C1 H7 108.367 H8 C3 H9 107.209
H10 C4 H11 108.568 H10 C4 H12 108.568
H11 C4 H12 108.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.420      
2 O -0.341      
3 C -0.187      
4 C -0.640      
5 H 0.215      
6 H 0.187      
7 H 0.187      
8 H 0.179      
9 H 0.179      
10 H 0.205      
11 H 0.218      
12 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.018 -0.685 0.000 1.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.017 1.755 0.000
y 1.755 -25.910 0.000
z 0.000 0.000 -26.894
Traceless
 xyz
x 0.386 1.755 0.000
y 1.755 0.545 0.000
z 0.000 0.000 -0.931
Polar
3z2-r2-1.862
x2-y2-0.106
xy1.755
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.126 0.715 0.000
y 0.715 6.138 0.000
z 0.000 0.000 5.308


<r2> (average value of r2) Å2
<r2> 103.297
(<r2>)1/2 10.164