return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H12O (Propane, 1-ethoxy-)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-272.662019
Energy at 298.15K-272.675221
Nuclear repulsion energy248.998052
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 PBEPBE/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 A' 3055 3023 31.33      
2 A' 3042 3011 37.82      
3 A' 2980 2949 23.26      
4 A' 2973 2942 36.58      
5 A' 2965 2934 27.18      
6 A' 2882 2852 107.98      
7 A' 2865 2835 25.94      
8 A' 1502 1486 2.96      
9 A' 1484 1469 6.60      
10 A' 1475 1459 5.36      
11 A' 1469 1454 3.04      
12 A' 1459 1444 1.80      
13 A' 1412 1397 4.16      
14 A' 1377 1363 7.55      
15 A' 1371 1356 29.87      
16 A' 1351 1337 19.92      
17 A' 1292 1278 6.07      
18 A' 1149 1137 14.86      
19 A' 1116 1105 216.64      
20 A' 1088 1077 12.71      
21 A' 1044 1033 4.50      
22 A' 1013 1002 13.08      
23 A' 892 883 5.71      
24 A' 875 866 8.50      
25 A' 482 477 3.58      
26 A' 397 393 0.88      
27 A' 298 295 0.63      
28 A' 135 134 0.30      
29 A" 3056 3024 34.09      
30 A" 3033 3001 70.32      
31 A" 3005 2973 4.25      
32 A" 2901 2871 43.45      
33 A" 2890 2860 100.65      
34 A" 1473 1457 9.88      
35 A" 1451 1436 8.50      
36 A" 1286 1273 0.51      
37 A" 1268 1255 1.94      
38 A" 1237 1224 1.59      
39 A" 1168 1156 7.43      
40 A" 1143 1131 0.58      
41 A" 883 874 1.83      
42 A" 805 796 0.79      
43 A" 750 742 2.11      
44 A" 251 248 0.79      
45 A" 231 228 0.01      
46 A" 150 149 3.01      
47 A" 95 94 1.16      
48 A" 66 66 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 35290.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 34923.1 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 PBEPBE/6-311G*
ABC
0.52251 0.04195 0.04032

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.025 2.866 0.000
H2 1.982 3.411 0.000
H3 0.454 3.167 0.890
H4 0.454 3.167 -0.890
C5 1.262 1.366 0.000
H6 1.850 1.062 -0.893
H7 1.850 1.062 0.893
O8 0.000 0.711 0.000
C9 0.121 -0.705 0.000
H10 0.692 -1.042 -0.893
H11 0.692 -1.042 0.893
C12 -1.273 -1.318 0.000
H13 -1.817 -0.943 0.883
H14 -1.817 -0.943 -0.883
C15 -1.242 -2.847 0.000
H16 -0.722 -3.242 -0.889
H17 -0.722 -3.242 0.889
H18 -2.259 -3.268 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 C9 H10 H11 C12 H13 H14 C15 H16 H17 H18
C11.10081.10021.10021.51822.17522.17522.38653.68344.02214.02214.77274.83334.83336.14636.41496.41496.9570
H21.10081.78531.78532.16762.51652.51653.34934.51684.72084.72085.73995.84475.84477.03947.23637.23637.9107
H31.10021.78531.78102.16553.09222.52622.65183.98704.57744.21554.88704.69505.01886.31176.75476.51627.0392
H41.10021.78531.78102.16552.52623.09222.65183.98704.21554.57744.88705.01884.69506.31176.51626.75477.0392
C51.51822.16762.16552.16551.11141.11141.42212.36462.63072.63073.69143.94843.94844.90125.09555.09555.8194
H62.17522.51653.09222.52621.11141.78562.08382.62822.40102.99254.02594.54064.17895.06315.01405.32116.0348
H72.17522.51652.52623.09221.11141.78562.08382.62822.99252.40104.02594.17894.54065.06315.32115.01406.0348
O82.38653.34932.65182.65181.42212.08382.08381.42082.08522.08522.39432.61042.61043.76834.11544.11544.5746
C93.68344.51683.98703.98702.36462.62822.62821.42081.11251.11251.52232.14302.14302.53902.81752.81753.4970
H104.02214.72084.57744.21552.63072.40102.99252.08521.11251.78672.17603.07612.51132.79252.61603.16513.8026
H114.02214.72084.21554.57742.63072.99252.40102.08521.11251.78672.17602.51133.07612.79253.16512.61603.8026
C124.77275.73994.88704.88703.69144.02594.02592.39431.52232.17602.17601.10321.10321.53012.19022.19022.1851
H134.83335.84474.69505.01883.94844.54064.17892.61042.14303.07612.51131.10321.76622.17703.10262.54712.5260
H144.83335.84475.01884.69503.94844.17894.54062.61042.14302.51133.07611.10321.76622.17702.54713.10262.5260
C156.14637.03946.31176.31174.90125.06315.06313.76832.53902.79252.79251.53012.17702.17701.10241.10241.1003
H166.41497.23636.75476.51625.09555.01405.32114.11542.81752.61603.16512.19023.10262.54711.10241.77701.7749
H176.41497.23636.51626.75475.09555.32115.01404.11542.81753.16512.61602.19022.54713.10261.10241.77701.7749
H186.95707.91077.03927.03925.81946.03486.03484.57463.49703.80263.80262.18512.52602.52601.10031.77491.7749

picture of Propane, 1-ethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.671 C1 C5 H7 110.671
C1 C5 O8 108.475 H2 C1 H3 108.411
H2 C1 H4 108.411 H2 C1 C5 110.707
H3 C1 H4 108.069 H3 C1 C5 110.578
H4 C1 C5 110.578 C5 O8 C9 112.560
H6 C5 H7 106.891 H6 C5 O8 110.066
H7 C5 O8 110.066 O8 C9 H10 110.202
O8 C9 H11 110.202 O8 C9 C12 108.835
C9 C12 H13 108.364 C9 C12 H14 108.364
C9 C12 C15 112.565 H10 C9 H11 106.830
H10 C9 C12 110.382 H11 C9 C12 110.382
C12 C15 H16 111.578 C12 C15 H17 111.578
C12 C15 H18 111.292 H13 C12 H14 106.364
H13 C12 C15 110.478 H14 C12 C15 110.478
H16 C15 H17 107.414 H16 C15 H18 107.374
H17 C15 H18 107.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.654      
2 H 0.211      
3 H 0.221      
4 H 0.221      
5 C -0.223      
6 H 0.184      
7 H 0.184      
8 O -0.295      
9 C -0.198      
10 H 0.180      
11 H 0.180      
12 C -0.448      
13 H 0.217      
14 H 0.217      
15 C -0.648      
16 H 0.213      
17 H 0.213      
18 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.797 -0.473 0.000 0.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.395 1.956 0.000
y 1.956 -39.593 0.000
z 0.000 0.000 -40.023
Traceless
 xyz
x 0.413 1.956 0.000
y 1.956 0.116 0.000
z 0.000 0.000 -0.529
Polar
3z2-r2-1.059
x2-y20.198
xy1.956
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.543 1.192 0.000
y 1.192 11.477 0.000
z 0.000 0.000 8.520


<r2> (average value of r2) Å2
<r2> 288.645
(<r2>)1/2 16.990