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

using model chemistry: HF/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-193.183302
Energy at 298.15K-193.192448
HF Energy-193.183302
Nuclear repulsion energy134.715416
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/daug-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' 3245 2935 44.77      
2 A' 3224 2916 45.21      
3 A' 3165 2863 23.07      
4 A' 3125 2827 103.58      
5 A' 3107 2811 31.72      
6 A' 1652 1495 1.97      
7 A' 1624 1469 6.11      
8 A' 1617 1463 1.98      
9 A' 1607 1454 0.62      
10 A' 1559 1411 38.02      
11 A' 1519 1374 3.69      
12 A' 1361 1231 73.68      
13 A' 1277 1155 177.85      
14 A' 1207 1092 7.46      
15 A' 1109 1003 16.51      
16 A' 939 849 12.41      
17 A' 496 448 0.66      
18 A' 308 279 2.69      
19 A" 3234 2925 49.91      
20 A" 3161 2859 80.83      
21 A" 3131 2832 55.00      
22 A" 1615 1461 6.47      
23 A" 1598 1446 4.44      
24 A" 1414 1279 2.82      
25 A" 1303 1179 11.98      
26 A" 1270 1149 0.00      
27 A" 881 797 0.03      
28 A" 279 252 2.04      
29 A" 217 196 2.19      
30 A" 116 105 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 25178.1 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 22776.1 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/daug-cc-pVTZ
ABC
0.97488 0.13971 0.13108

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.252 1.296 0.000
O2 0.000 0.694 0.000
C3 0.029 -0.700 0.000
C4 -1.390 -1.225 0.000
H5 1.105 2.366 0.000
H6 1.826 1.021 0.883
H7 1.826 1.021 -0.883
H8 0.565 -1.060 -0.877
H9 0.565 -1.060 0.877
H10 -1.388 -2.309 0.000
H11 -1.922 -0.882 0.878
H12 -1.922 -0.882 -0.878

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.38882.34043.65141.08031.08801.08802.60562.60564.46803.94823.9482
O21.38881.39432.36972.00412.05392.05392.04092.04093.30862.63632.6363
C32.34041.39431.51283.24932.63972.63971.08931.08932.14422.14752.1475
C43.65142.36971.51284.37284.02024.02022.14902.14901.08401.08281.0828
H51.08032.00413.24934.37281.76271.76273.57733.57735.29844.52614.5261
H61.08802.05392.63974.02021.76271.76513.00242.43274.71124.20344.5571
H71.08802.05392.63974.02021.76271.76512.43273.00244.71124.55714.2034
H82.60562.04091.08932.14903.57733.00242.43271.75432.47893.04972.4941
H92.60562.04091.08932.14903.57732.43273.00241.75432.47892.49413.0497
H104.46803.30862.14421.08405.29844.71124.71122.47892.47891.75901.7590
H113.94822.63632.14751.08284.52614.20344.55713.04972.49411.75901.7557
H123.94822.63632.14751.08284.52614.55714.20342.49413.04971.75901.7557

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 114.478 O2 C1 H5 107.868
O2 C1 H6 111.470 O2 C1 H7 111.470
O2 C3 C4 109.134 O2 C3 H8 109.911
O2 C3 H9 109.911 C3 C4 H10 110.226
C3 C4 H11 110.565 C3 C4 H12 110.565
C4 C3 H8 110.300 C4 C3 H9 110.300
H5 C1 H6 108.771 H5 C1 H7 108.771
H6 C1 H7 108.423 H8 C3 H9 107.268
H10 C4 H11 108.545 H10 C4 H12 108.545
H11 C4 H12 108.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.571      
2 O -0.736      
3 C -0.361      
4 C -1.266      
5 H 0.574      
6 H 0.650      
7 H 0.650      
8 H 0.554      
9 H 0.554      
10 H 0.272      
11 H 0.340      
12 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.052 -0.717 0.000 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.949 1.670 0.000
y 1.670 -25.704 0.000
z 0.000 0.000 -26.461
Traceless
 xyz
x 0.133 1.670 0.000
y 1.670 0.501 0.000
z 0.000 0.000 -0.635
Polar
3z2-r2-1.270
x2-y2-0.245
xy1.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.559 0.703 0.000
y 0.703 6.604 0.000
z 0.000 0.000 5.684


<r2> (average value of r2) Å2
<r2> 102.429
(<r2>)1/2 10.121