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: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-272.977074
Energy at 298.15K-272.990419
Nuclear repulsion energy249.450550
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 B3LYPultrafine/6-31G*
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' 3129 2998 30.85      
2 A' 3118 2987 36.63      
3 A' 3059 2930 19.88      
4 A' 3052 2924 31.32      
5 A' 3044 2916 25.26      
6 A' 2971 2847 93.11      
7 A' 2954 2830 19.41      
8 A' 1569 1503 0.24      
9 A' 1549 1484 7.01      
10 A' 1538 1473 3.26      
11 A' 1531 1467 2.47      
12 A' 1523 1459 1.37      
13 A' 1475 1413 3.97      
14 A' 1442 1382 2.92      
15 A' 1437 1377 23.01      
16 A' 1411 1352 38.23      
17 A' 1349 1293 18.08      
18 A' 1188 1139 36.50      
19 A' 1167 1118 195.19      
20 A' 1124 1077 10.00      
21 A' 1065 1020 5.35      
22 A' 1035 992 8.50      
23 A' 919 880 7.41      
24 A' 903 865 5.08      
25 A' 494 473 2.96      
26 A' 407 390 0.85      
27 A' 307 294 0.59      
28 A' 139 134 0.41      
29 A" 3134 3003 31.52      
30 A" 3110 2980 68.59      
31 A" 3084 2954 4.24      
32 A" 2991 2865 64.62      
33 A" 2981 2856 67.38      
34 A" 1531 1467 6.21      
35 A" 1515 1451 4.59      
36 A" 1331 1275 0.21      
37 A" 1311 1256 1.60      
38 A" 1284 1230 1.50      
39 A" 1217 1166 7.71      
40 A" 1189 1139 0.65      
41 A" 914 875 1.63      
42 A" 832 797 0.53      
43 A" 775 743 1.49      
44 A" 260 249 0.88      
45 A" 236 226 0.00      
46 A" 155 148 3.30      
47 A" 95 91 1.19      
48 A" 69 66 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 36455.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 34924.4 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 B3LYPultrafine/6-31G*
ABC
0.52434 0.04202 0.04037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.962 2.884 0.000
H2 1.901 3.449 0.000
H3 0.386 3.168 0.887
H4 0.386 3.168 -0.887
C5 1.239 1.390 0.000
H6 1.832 1.106 -0.887
H7 1.832 1.106 0.887
O8 0.000 0.703 0.000
C9 0.140 -0.705 0.000
H10 0.711 -1.034 -0.887
H11 0.711 -1.034 0.887
C12 -1.247 -1.336 0.000
H13 -1.794 -0.974 0.879
H14 -1.794 -0.974 -0.879
C15 -1.197 -2.867 0.000
H16 -0.675 -3.251 -0.885
H17 -0.675 -3.251 0.885
H18 -2.205 -3.294 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 C9 H10 H11 C12 H13 H14 C15 H16 H17 H18
C11.09561.09481.09481.52022.16972.16972.38413.68284.02564.02564.76414.82224.82226.14346.41136.41136.9429
H21.09561.77821.77822.16312.50642.50643.33974.51214.72234.72235.72805.82965.82967.03487.23217.23217.8947
H31.09481.77821.77372.16213.08042.51842.64753.98094.57244.21414.87244.68005.00226.30166.74256.50557.0179
H41.09481.77821.77372.16212.51843.08042.64753.98094.21414.57244.87245.00224.68006.30166.50556.74257.0179
C51.52022.16312.16212.16211.10421.10421.41622.36572.63442.63443.68923.94393.94394.90425.09695.09695.8134
H62.16972.50643.08042.51841.10421.77412.07472.63232.41552.99724.02864.53734.17935.07355.02595.32926.0365
H72.16972.50642.51843.08041.10421.77412.07472.63232.99722.41554.02864.17934.53735.07355.32925.02596.0365
O82.38413.33972.64752.64751.41622.07472.07471.41552.07612.07612.39062.60822.60823.76554.10764.10764.5649
C93.68284.51213.98093.98092.36572.63232.63231.41551.10511.10511.52372.14102.14102.54162.81532.81533.4928
H104.02564.72234.57244.21412.63442.41552.99722.07611.10511.77482.17063.06542.50502.79032.61403.15843.7944
H114.02564.72234.21414.57242.63442.99722.41552.07611.10511.77482.17062.50503.06542.79033.15842.61403.7944
C124.76415.72804.87244.87243.68924.02864.02862.39061.52372.17062.17061.09711.09711.53162.18552.18552.1793
H134.82225.82964.68005.00223.94394.53734.17932.60822.14103.06542.50501.09711.75902.17133.09052.53722.5150
H144.82225.82965.00224.68003.94394.17934.53732.60822.14102.50503.06541.09711.75902.17132.53723.09052.5150
C156.14347.03486.30166.30164.90425.07355.07353.76552.54162.79032.79031.53162.17132.17131.09701.09701.0952
H166.41137.23216.74256.50555.09695.02595.32924.10762.81532.61403.15842.18553.09052.53721.09701.77031.7689
H176.41137.23216.50556.74255.09695.32925.02594.10762.81533.15842.61402.18552.53723.09051.09701.77031.7689
H186.94297.89477.01797.01795.81346.03656.03654.56493.49283.79443.79442.17932.51502.51501.09521.76891.7689

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 110.527 C1 C5 H7 110.527
C1 C5 O8 108.513 H2 C1 H3 108.538
H2 C1 H4 108.538 H2 C1 C5 110.516
H3 C1 H4 108.198 H3 C1 C5 110.489
H4 C1 C5 110.489 C5 O8 C9 113.321
H6 C5 H7 106.904 H6 C5 O8 110.186
H7 C5 O8 110.186 O8 C9 H10 110.300
O8 C9 H11 110.300 O8 C9 C12 108.792
C9 C12 H13 108.453 C9 C12 H14 108.453
C9 C12 C15 112.578 H10 C9 H11 106.836
H10 C9 C12 110.303 H11 C9 C12 110.303
C12 C15 H16 111.423 C12 C15 H17 111.423
C12 C15 H18 111.036 H13 C12 H14 106.573
H13 C12 C15 110.288 H14 C12 C15 110.288
H16 C15 H17 107.591 H16 C15 H18 107.587
H17 C15 H18 107.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.453      
2 H 0.141      
3 H 0.157      
4 H 0.157      
5 C -0.001      
6 H 0.116      
7 H 0.116      
8 O -0.475      
9 C 0.005      
10 H 0.112      
11 H 0.112      
12 C -0.265      
13 H 0.146      
14 H 0.146      
15 C -0.452      
16 H 0.144      
17 H 0.144      
18 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.835 -0.479 0.000 0.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.551 1.856 0.000
y 1.856 -38.436 0.000
z 0.000 0.000 -39.286
Traceless
 xyz
x 0.310 1.856 0.000
y 1.856 0.483 0.000
z 0.000 0.000 -0.792
Polar
3z2-r2-1.584
x2-y2-0.115
xy1.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.453 1.063 0.000
y 1.063 10.145 0.000
z 0.000 0.000 7.731


<r2> (average value of r2) Å2
<r2> 287.600
(<r2>)1/2 16.959