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

using model chemistry: PBE1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-194.184740
Energy at 298.15K-194.193698
HF Energy-194.184740
Nuclear repulsion energy134.159140
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/aug-cc-pVTZ
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' 3132 3012 21.40      
2 A' 3130 3010 24.41      
3 A' 3054 2937 15.97      
4 A' 2984 2869 84.35      
5 A' 2966 2852 40.09      
6 A' 1520 1461 3.69      
7 A' 1498 1440 3.86      
8 A' 1491 1433 5.98      
9 A' 1469 1412 0.88      
10 A' 1421 1367 29.63      
11 A' 1388 1334 0.46      
12 A' 1241 1194 60.30      
13 A' 1189 1143 133.98      
14 A' 1118 1075 4.16      
15 A' 1055 1015 19.39      
16 A' 878 844 9.06      
17 A' 468 450 0.58      
18 A' 288 277 2.70      
19 A" 3134 3013 23.62      
20 A" 3029 2913 51.38      
21 A" 2993 2877 62.75      
22 A" 1480 1423 9.79      
23 A" 1474 1417 4.98      
24 A" 1299 1249 1.91      
25 A" 1194 1148 8.89      
26 A" 1164 1120 0.12      
27 A" 818 787 0.58      
28 A" 256 246 1.72      
29 A" 207 199 1.04      
30 A" 117 113 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 23727.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 22813.5 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/aug-cc-pVTZ
ABC
0.95250 0.13981 0.13091

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.306 1.237 0.000
O2 0.009 0.711 0.000
C3 0.000 -0.695 0.000
C4 -1.428 -1.178 0.000
H5 1.223 2.324 0.000
H6 1.869 0.924 0.890
H7 1.869 0.924 -0.890
H8 0.536 -1.071 -0.885
H9 0.536 -1.071 0.885
H10 -1.460 -2.269 0.000
H11 -1.955 -0.817 0.884
H12 -1.955 -0.817 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.39982.33223.64791.08961.09881.09882.58952.58954.46543.95453.9545
O21.39981.40642.37342.01852.07302.07302.05882.05883.32212.64112.6411
C32.33221.40641.50753.25712.62782.62781.10081.10082.14632.14962.1496
C43.64792.37341.50754.39194.00984.00982.15682.15681.09151.09101.0910
H51.08962.01853.25714.39191.78011.78013.57513.57515.31854.55504.5550
H61.09882.07302.62784.00981.78011.78052.98472.39944.69704.20174.5611
H71.09882.07302.62784.00981.78011.78052.39942.98474.69704.56114.2017
H82.58952.05881.10082.15683.57512.98472.39941.76982.48973.06622.5043
H92.58952.05881.10082.15683.57512.39942.98471.76982.48972.50433.0662
H104.46543.32212.14631.09155.31854.69704.69702.48972.48971.77091.7709
H113.95452.64112.14961.09104.55504.20174.56113.06622.50431.77091.7686
H123.95452.64112.14961.09104.55504.56114.20172.50433.06621.77091.7686

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 112.422 O2 C1 H5 107.701
O2 C1 H6 111.558 O2 C1 H7 111.558
O2 C3 C4 109.028 O2 C3 H8 109.801
O2 C3 H9 109.801 C3 C4 H10 110.319
C3 C4 H11 110.609 C3 C4 H12 110.609
C4 C3 H8 110.597 C4 C3 H9 110.597
H5 C1 H6 108.863 H5 C1 H7 108.863
H6 C1 H7 108.234 H8 C3 H9 106.999
H10 C4 H11 108.468 H10 C4 H12 108.468
H11 C4 H12 108.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.690      
2 O -0.437      
3 C -0.066      
4 C -0.751      
5 H 0.277      
6 H 0.267      
7 H 0.267      
8 H 0.220      
9 H 0.220      
10 H 0.244      
11 H 0.224      
12 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.885 -0.723 0.000 1.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.943 1.727 0.000
y 1.727 -25.845 0.000
z 0.000 0.000 -26.607
Traceless
 xyz
x 0.283 1.727 0.000
y 1.727 0.430 0.000
z 0.000 0.000 -0.713
Polar
3z2-r2-1.427
x2-y2-0.098
xy1.727
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.322 0.823 0.000
y 0.823 7.172 0.000
z 0.000 0.000 6.168


<r2> (average value of r2) Å2
<r2> 102.677
(<r2>)1/2 10.133