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

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-191.685555
Energy at 298.15K-191.694325
HF Energy-191.685555
Nuclear repulsion energy131.286367
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 PBE1PBE/STO-3G
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' 3543 3125 0.29      
2 A' 3486 3075 1.67      
3 A' 3368 2971 0.38      
4 A' 3287 2900 14.01      
5 A' 3273 2887 15.79      
6 A' 1709 1507 2.14      
7 A' 1694 1494 2.52      
8 A' 1686 1488 6.33      
9 A' 1611 1421 2.67      
10 A' 1583 1396 8.03      
11 A' 1514 1336 33.86      
12 A' 1322 1166 10.39      
13 A' 1252 1104 18.11      
14 A' 1181 1042 3.22      
15 A' 1121 989 3.39      
16 A' 949 837 0.15      
17 A' 495 437 0.27      
18 A' 301 266 1.65      
19 A" 3546 3128 0.47      
20 A" 3415 3013 10.49      
21 A" 3386 2987 18.05      
22 A" 1684 1485 3.06      
23 A" 1664 1467 4.65      
24 A" 1384 1221 0.03      
25 A" 1241 1094 9.12      
26 A" 1202 1060 0.20      
27 A" 886 782 1.81      
28 A" 262 231 1.80      
29 A" 197 174 0.00      
30 A" 127 112 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 26183.5 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 23096.5 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 PBE1PBE/STO-3G
ABC
0.88249 0.13572 0.12613

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.362 1.212 0.000
O2 -0.022 0.765 0.000
C3 0.000 -0.696 0.000
C4 -1.462 -1.192 0.000
H5 1.344 2.315 0.000
H6 1.919 0.868 0.896
H7 1.919 0.868 -0.896
H8 0.532 -1.088 -0.894
H9 0.532 -1.088 0.894
H10 -1.487 -2.289 0.000
H11 -1.989 -0.827 0.891
H12 -1.989 -0.827 -0.891

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.45462.34373.70851.10341.10951.10952.60302.60304.51354.02264.0226
O21.45461.46062.42922.06612.14052.14052.13062.13063.38672.68272.6827
C32.34371.46061.54423.29682.63272.63271.11221.11222.17942.18362.1836
C43.70852.42921.54424.49114.05944.05942.18862.18861.09741.09711.0971
H51.10342.06613.29684.49111.79621.79623.61063.61065.40454.66644.6664
H61.10952.14052.63274.05941.79621.79232.99242.39774.72994.26014.6197
H71.10952.14052.63274.05941.79621.79232.39772.99244.72994.61974.2601
H82.60302.13061.11222.18863.61062.99242.39771.78852.51423.10052.5352
H92.60302.13061.11222.18863.61062.39772.99241.78852.51422.53523.1005
H104.51353.38672.17941.09745.40454.72994.72992.51422.51421.78371.7837
H114.02262.68272.18361.09714.66644.26014.61973.10052.53521.78371.7813
H124.02262.68272.18361.09714.66644.61974.26012.53523.10051.78371.7813

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 107.021 O2 C1 H5 106.942
O2 C1 H6 112.490 O2 C1 H7 112.490
O2 C3 C4 107.861 O2 C3 H8 111.092
O2 C3 H9 111.092 C3 C4 H10 110.034
C3 C4 H11 110.376 C3 C4 H12 110.376
C4 C3 H8 109.885 C4 C3 H9 109.885
H5 C1 H6 108.524 H5 C1 H7 108.524
H6 C1 H7 107.745 H8 C3 H9 107.034
H10 C4 H11 108.733 H10 C4 H12 108.733
H11 C4 H12 108.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 O -0.191      
3 C -0.049      
4 C -0.238      
5 H 0.086      
6 H 0.072      
7 H 0.072      
8 H 0.068      
9 H 0.068      
10 H 0.082      
11 H 0.086      
12 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.846 -0.770 0.000 1.144
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.487 1.211 0.000
y 1.211 -24.061 0.000
z 0.000 0.000 -24.391
Traceless
 xyz
x 0.739 1.211 0.000
y 1.211 -0.122 0.000
z 0.000 0.000 -0.618
Polar
3z2-r2-1.235
x2-y20.574
xy1.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.043 0.586 0.000
y 0.586 3.244 0.000
z 0.000 0.000 2.395


<r2> (average value of r2) Å2
<r2> 104.349
(<r2>)1/2 10.215