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

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-194.134935
Energy at 298.15K-194.143933
HF Energy-193.931604
Nuclear repulsion energy133.594385
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/6-31G**
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' 3175 3175 57.51      
2 A' 3175 3175 1.27      
3 A' 3094 3094 15.91      
4 A' 3022 3022 78.98      
5 A' 3003 3003 38.81      
6 A' 1572 1572 0.53      
7 A' 1545 1545 4.41      
8 A' 1539 1539 5.30      
9 A' 1511 1511 0.34      
10 A' 1461 1461 38.70      
11 A' 1425 1425 9.43      
12 A' 1257 1257 44.64      
13 A' 1181 1181 133.67      
14 A' 1136 1136 4.38      
15 A' 1050 1050 15.66      
16 A' 883 883 11.91      
17 A' 471 471 0.63      
18 A' 291 291 2.81      
19 A" 3183 3183 27.12      
20 A" 3073 3073 66.47      
21 A" 3037 3037 73.47      
22 A" 1524 1524 6.15      
23 A" 1522 1522 2.18      
24 A" 1319 1319 1.17      
25 A" 1224 1224 10.04      
26 A" 1187 1187 0.01      
27 A" 838 838 0.20      
28 A" 272 272 2.22      
29 A" 218 218 1.29      
30 A" 116 116 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 24152.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24152.2 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 B2PLYP/6-31G**
ABC
0.94004 0.13883 0.12981

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.320 1.236 0.000
O2 0.011 0.711 0.000
C3 0.000 -0.705 0.000
C4 -1.443 -1.169 0.000
H5 1.235 2.322 0.000
H6 1.884 0.923 0.889
H7 1.884 0.923 -0.889
H8 0.531 -1.089 -0.885
H9 0.531 -1.089 0.885
H10 -1.495 -2.259 0.000
H11 -1.960 -0.795 0.884
H12 -1.960 -0.795 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.41102.34803.66351.08931.09841.09842.61012.61014.48813.95883.9588
O21.41101.41692.37682.02282.08472.08472.07232.07233.33042.63372.6337
C32.34801.41691.51553.26942.64472.64471.10051.10052.15612.15232.1523
C43.66352.37681.51554.39954.02984.02982.16412.16411.09161.09041.0904
H51.08932.02283.26944.39951.78021.78023.59353.59355.33274.55044.5504
H61.09842.08472.64474.02981.78021.77853.00482.42544.72634.21124.5694
H71.09842.08472.64474.02981.78021.77852.42543.00484.72634.56944.2112
H82.61012.07231.10052.16413.59353.00482.42541.76912.50073.06902.5081
H92.61012.07231.10052.16413.59352.42543.00481.76912.50072.50813.0690
H104.48813.33042.15611.09165.33274.72634.72632.50072.50071.77261.7726
H113.95882.63372.15231.09044.55044.21124.56943.06902.50811.77261.7683
H123.95882.63372.15231.09044.55044.56944.21122.50813.06901.77261.7683

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 112.259 O2 C1 H5 107.301
O2 C1 H6 111.754 O2 C1 H7 111.754
O2 C3 C4 108.245 O2 C3 H8 110.179
O2 C3 H9 110.179 C3 C4 H10 110.532
C3 C4 H11 110.297 C3 C4 H12 110.297
C4 C3 H8 110.632 C4 C3 H9 110.632
H5 C1 H6 108.923 H5 C1 H7 108.923
H6 C1 H7 108.121 H8 C3 H9 106.981
H10 C4 H11 108.653 H10 C4 H12 108.653
H11 C4 H12 108.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 O -0.498      
3 C 0.081      
4 C -0.336      
5 H 0.117      
6 H 0.089      
7 H 0.089      
8 H 0.081      
9 H 0.081      
10 H 0.103      
11 H 0.121      
12 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.969 -0.698 0.000 1.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.341 1.798 0.000
y 1.798 -25.521 0.000
z 0.000 0.000 -26.569
Traceless
 xyz
x 0.703 1.798 0.000
y 1.798 0.435 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.276
x2-y20.179
xy1.798
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.733 0.710 0.000
y 0.710 5.886 0.000
z 0.000 0.000 5.030


<r2> (average value of r2) Å2
<r2> 103.133
(<r2>)1/2 10.155