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

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-193.183108
Energy at 298.15K-193.192270
HF Energy-193.183108
Nuclear repulsion energy134.720238
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 HF/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' 3246 2955 44.78      
2 A' 3225 2936 45.29      
3 A' 3165 2881 23.02      
4 A' 3126 2846 103.32      
5 A' 3108 2829 31.74      
6 A' 1652 1504 1.98      
7 A' 1624 1479 6.07      
8 A' 1617 1472 2.04      
9 A' 1607 1463 0.59      
10 A' 1559 1420 37.89      
11 A' 1519 1383 3.67      
12 A' 1361 1239 73.66      
13 A' 1277 1162 177.72      
14 A' 1207 1099 7.47      
15 A' 1109 1009 16.53      
16 A' 939 855 12.46      
17 A' 496 451 0.66      
18 A' 308 280 2.70      
19 A" 3234 2944 49.98      
20 A" 3161 2878 80.79      
21 A" 3131 2851 54.86      
22 A" 1615 1470 6.47      
23 A" 1598 1455 4.45      
24 A" 1414 1287 2.80      
25 A" 1302 1186 11.95      
26 A" 1270 1156 0.00      
27 A" 881 802 0.03      
28 A" 278 253 2.04      
29 A" 216 196 2.21      
30 A" 116 105 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 25178.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 22922.9 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 HF/aug-cc-pVTZ
ABC
0.97454 0.13975 0.13111

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.252 1.295 0.000
O2 0.000 0.694 0.000
C3 0.029 -0.700 0.000
C4 -1.390 -1.224 0.000
H5 1.106 2.365 0.000
H6 1.826 1.020 0.883
H7 1.826 1.020 -0.883
H8 0.565 -1.060 -0.877
H9 0.565 -1.060 0.877
H10 -1.389 -2.308 0.000
H11 -1.923 -0.880 0.878
H12 -1.923 -0.880 -0.878

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.38902.34033.65091.08021.08791.08792.60522.60524.46763.94753.9475
O21.38901.39442.36922.00382.05402.05402.04092.04093.30822.63552.6355
C32.34031.39441.51263.24892.63952.63951.08921.08922.14402.14732.1473
C43.65092.36921.51264.37214.01984.01982.14902.14901.08391.08281.0828
H51.08022.00383.24894.37211.76271.76273.57683.57685.29774.52514.5251
H61.08792.05402.63954.01981.76271.76523.00212.43234.71084.20274.5565
H71.08792.05402.63954.01981.76271.76522.43233.00214.71084.55654.2027
H82.60522.04091.08922.14903.57683.00212.43231.75432.47903.04952.4939
H92.60522.04091.08922.14903.57682.43233.00211.75432.47902.49393.0495
H104.46763.30822.14401.08395.29774.71084.71082.47902.47901.75911.7591
H113.94752.63552.14731.08284.52514.20274.55653.04952.49391.75911.7557
H123.94752.63552.14731.08284.52514.55654.20272.49393.04951.75911.7557

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 114.447 O2 C1 H5 107.838
O2 C1 H6 111.470 O2 C1 H7 111.470
O2 C3 C4 109.104 O2 C3 H8 109.908
O2 C3 H9 109.908 C3 C4 H10 110.223
C3 C4 H11 110.556 C3 C4 H12 110.556
C4 C3 H8 110.312 C4 C3 H9 110.312
H5 C1 H6 108.778 H5 C1 H7 108.778
H6 C1 H7 108.438 H8 C3 H9 107.280
H10 C4 H11 108.553 H10 C4 H12 108.553
H11 C4 H12 108.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.849      
2 O -0.547      
3 C -0.141      
4 C -0.971      
5 H 0.350      
6 H 0.337      
7 H 0.337      
8 H 0.302      
9 H 0.302      
10 H 0.313      
11 H 0.283      
12 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.053 -0.718 0.000 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.950 1.670 0.000
y 1.670 -25.708 0.000
z 0.000 0.000 -26.459
Traceless
 xyz
x 0.134 1.670 0.000
y 1.670 0.496 0.000
z 0.000 0.000 -0.630
Polar
3z2-r2-1.260
x2-y2-0.241
xy1.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.556 0.704 0.000
y 0.704 6.601 0.000
z 0.000 0.000 5.676


<r2> (average value of r2) Å2
<r2> 102.412
(<r2>)1/2 10.120