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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-307.049263
Energy at 298.15K-307.061245
Nuclear repulsion energy254.984312
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3281 2967 0.00      
2 Ag 3168 2865 0.00      
3 Ag 3150 2849 0.00      
4 Ag 1669 1510 0.00      
5 Ag 1649 1491 0.00      
6 Ag 1635 1479 0.00      
7 Ag 1600 1447 0.00      
8 Ag 1376 1245 0.00      
9 Ag 1292 1168 0.00      
10 Ag 1171 1059 0.00      
11 Ag 1120 1013 0.00      
12 Ag 426 386 0.00      
13 Ag 356 322 0.00      
14 Au 3211 2904 209.68      
15 Au 3196 2891 136.05      
16 Au 1633 1477 11.46      
17 Au 1369 1238 20.13      
18 Au 1295 1171 8.18      
19 Au 904 817 2.03      
20 Au 252 228 14.23      
21 Au 121 109 7.19      
22 Au 76 68 4.87      
23 Bg 3196 2891 0.00      
24 Bg 3180 2876 0.00      
25 Bg 1633 1477 0.00      
26 Bg 1427 1290 0.00      
27 Bg 1310 1184 0.00      
28 Bg 1267 1146 0.00      
29 Bg 228 207 0.00      
30 Bg 130 118 0.00      
31 Bu 3281 2967 114.51      
32 Bu 3168 2865 169.48      
33 Bu 3149 2848 92.11      
34 Bu 1677 1517 3.83      
35 Bu 1647 1489 23.30      
36 Bu 1622 1467 7.86      
37 Bu 1503 1360 51.59      
38 Bu 1360 1230 244.96      
39 Bu 1282 1160 298.96      
40 Bu 1065 963 78.25      
41 Bu 544 492 4.59      
42 Bu 159 144 4.41      

Unscaled Zero Point Vibrational Energy (zpe) 33387.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 30195.5 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 HF/6-311G*
ABC
0.66028 0.04345 0.04204

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.325 1.183 0.000
O2 -1.325 -1.183 0.000
C3 -1.484 -2.564 0.000
C4 1.484 2.564 0.000
C5 0.000 0.756 0.000
C6 0.000 -0.756 0.000
H7 2.544 2.773 0.000
H8 -2.544 -2.773 0.000
H9 -1.036 -3.016 0.883
H10 -1.036 -3.016 -0.883
H11 1.036 3.016 0.883
H12 1.036 3.016 -0.883
H13 -0.527 1.122 0.879
H14 -0.527 1.122 -0.879
H15 0.527 -1.122 0.879
H16 0.527 -1.122 -0.879

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.55284.68291.39031.39252.34822.00325.53334.89724.89722.05502.05502.05122.05122.59292.5929
O23.55281.39034.68292.34821.39255.53332.00322.05502.05504.89724.89722.59292.59292.05122.0512
C34.68291.39035.92473.63622.33916.68601.08061.08821.08826.18566.18563.90853.90852.62562.6256
C41.39034.68295.92472.33913.63621.08066.68606.18566.18561.08821.08822.62562.62563.90853.9085
C51.39252.34823.63622.33911.51123.24654.34984.00954.00952.63832.63831.08841.08842.13932.1393
C62.34821.39252.33913.63621.51124.34983.24652.63832.63834.00954.00952.13932.13931.08841.0884
H72.00325.53336.68601.08063.24654.34987.52586.86306.86301.76431.76433.59543.59544.47344.4734
H85.53332.00321.08066.68604.34983.24657.52581.76431.76436.86306.86304.47344.47343.59543.5954
H94.89722.05501.08826.18564.00952.63836.86301.76431.76626.37736.61744.16914.52622.45513.0220
H104.89722.05501.08826.18564.00952.63836.86301.76431.76626.61746.37734.52624.16913.02202.4551
H112.05504.89726.18561.08822.63834.00951.76436.86306.37736.61741.76622.45513.02204.16914.5262
H122.05504.89726.18561.08822.63834.00951.76436.86306.61746.37731.76623.02202.45514.52624.1691
H132.05122.59293.90852.62561.08842.13933.59544.47344.16914.52622.45513.02201.75812.47953.0395
H142.05122.59293.90852.62561.08842.13933.59544.47344.52624.16913.02202.45511.75813.03952.4795
H152.59292.05122.62563.90852.13931.08844.47343.59542.45513.02204.16914.52622.47953.03951.7581
H162.59292.05122.62563.90852.13931.08844.47343.59543.02202.45514.52624.16913.03952.47951.7581

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 107.674 O1 C4 H11 111.437
O1 C4 H12 111.437 O1 C5 C6 107.868
O1 C5 H13 110.944 O1 C5 H14 110.944
O2 C3 H8 107.674 O2 C3 H9 111.437
O2 C3 H10 111.437 O2 C6 C5 107.868
O2 C6 H15 110.944 O2 C6 H16 110.944
C3 O2 C6 114.402 C4 O1 C5 114.402
C5 C6 H15 109.680 C5 C6 H16 109.680
C6 C5 H13 109.680 C6 C5 H14 109.680
H7 C4 H11 108.876 H7 C4 H12 108.876
H8 C3 H9 108.876 H8 C3 H10 108.876
H9 C3 H10 108.480 H11 C4 H12 108.480
H13 C5 H14 107.723 H15 C6 H16 107.723
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.453 -0.487   -0.424
2 O -0.453 -0.487   -0.416
3 C -0.361 0.181   0.035
4 C -0.361 0.181   0.034
5 C -0.146 0.250   0.192
6 C -0.146 0.250   0.153
7 H 0.211 0.038   0.072
8 H 0.211 0.038   0.071
9 H 0.186 0.004   0.042
10 H 0.186 0.004   0.042
11 H 0.186 0.004   0.041
12 H 0.186 0.004   0.041
13 H 0.188 0.005   0.025
14 H 0.188 0.005   0.025
15 H 0.188 0.005   0.033
16 H 0.188 0.005   0.033


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP -0.004 -0.011 0.000 0.011


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.188 2.287 0.000
y 2.287 -30.022 0.000
z 0.000 0.000 -38.126
Traceless
 xyz
x -7.114 2.287 0.000
y 2.287 9.635 0.000
z 0.000 0.000 -2.521
Polar
3z2-r2-5.042
x2-y2-11.166
xy2.287
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.314 1.016 0.000
y 1.016 8.255 0.000
z 0.000 0.000 6.575


<r2> (average value of r2) Å2
<r2> 266.759
(<r2>)1/2 16.333