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: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-272.977074
Energy at 298.15K-272.990414
Nuclear repulsion energy249.451526
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 B3LYP/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 3005 30.88      
2 A' 3119 2995 36.68      
3 A' 3059 2937 19.89      
4 A' 3053 2932 31.17      
5 A' 3044 2923 25.45      
6 A' 2972 2854 92.77      
7 A' 2955 2838 19.80      
8 A' 1569 1507 0.26      
9 A' 1549 1488 7.30      
10 A' 1538 1477 3.09      
11 A' 1531 1470 2.48      
12 A' 1524 1463 1.34      
13 A' 1474 1416 4.75      
14 A' 1442 1385 2.26      
15 A' 1436 1379 22.87      
16 A' 1412 1356 38.38      
17 A' 1348 1294 18.08      
18 A' 1188 1141 35.33      
19 A' 1167 1121 196.04      
20 A' 1124 1079 10.22      
21 A' 1065 1023 5.12      
22 A' 1035 994 8.66      
23 A' 919 882 7.25      
24 A' 903 867 5.22      
25 A' 494 474 2.97      
26 A' 407 391 0.85      
27 A' 306 294 0.59      
28 A' 139 133 0.41      
29 A" 3135 3010 31.55      
30 A" 3111 2987 68.89      
31 A" 3084 2962 4.02      
32 A" 2991 2873 62.49      
33 A" 2982 2863 69.49      
34 A" 1532 1471 6.24      
35 A" 1514 1454 4.57      
36 A" 1330 1277 0.21      
37 A" 1313 1261 1.59      
38 A" 1283 1232 1.52      
39 A" 1217 1169 7.72      
40 A" 1189 1142 0.61      
41 A" 914 878 1.63      
42 A" 833 800 0.53      
43 A" 775 745 1.50      
44 A" 255 245 0.91      
45 A" 238 229 0.01      
46 A" 155 149 3.37      
47 A" 95 91 1.13      
48 A" 69 66 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 36457.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 35009.6 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 B3LYP/6-31G*
ABC
0.52427 0.04202 0.04037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.961 2.885 0.000
H2 1.899 3.450 0.000
H3 0.384 3.168 0.887
H4 0.384 3.168 -0.887
C5 1.238 1.390 0.000
H6 1.832 1.107 -0.887
H7 1.832 1.107 0.887
O8 0.000 0.703 0.000
C9 0.140 -0.706 0.000
H10 0.711 -1.034 -0.887
H11 0.711 -1.034 0.887
C12 -1.246 -1.337 0.000
H13 -1.793 -0.974 0.879
H14 -1.793 -0.974 -0.879
C15 -1.195 -2.868 0.000
H16 -0.673 -3.251 -0.885
H17 -0.673 -3.251 0.885
H18 -2.204 -3.295 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 C9 H10 H11 C12 H13 H14 C15 H16 H17 H18
C11.09561.09481.09481.52022.16952.16952.38423.68314.02614.02614.76384.82184.82186.14336.41096.41096.9429
H21.09561.77821.77822.16282.50592.50593.33964.51224.72274.72275.72775.82925.82927.03467.23167.23167.8946
H31.09481.77821.77382.16223.08042.51832.64773.98114.57304.21474.87214.67955.00186.30146.74216.50517.0179
H41.09481.77821.77382.16222.51833.08042.64773.98114.21474.57304.87215.00184.67956.30146.50516.74217.0179
C51.52022.16282.16222.16221.10421.10421.41622.36602.63512.63513.68933.94383.94384.90435.09665.09665.8137
H62.16952.50593.08042.51831.10421.77422.07482.63292.41662.99814.02904.53764.17975.07415.02625.32956.0372
H72.16952.50592.51833.08041.10421.77422.07482.63292.99812.41664.02904.17974.53765.07415.32955.02626.0372
O82.38423.33962.64772.64771.41622.07482.07481.41542.07622.07622.39032.60792.60793.76524.10704.10704.5650
C93.68314.51223.98113.98112.36602.63292.63291.41541.10511.10511.52372.14102.14102.54142.81482.81483.4928
H104.02614.72274.57304.21472.63512.41662.99812.07621.10511.77472.17063.06542.50502.79002.61323.15773.7942
H114.02614.72274.21474.57302.63512.99812.41662.07621.10511.77472.17062.50503.06542.79003.15772.61323.7942
C124.76385.72774.87214.87213.68934.02904.02902.39031.52372.17062.17061.09711.09711.53162.18542.18542.1796
H134.82185.82924.67955.00183.94384.53764.17972.60792.14103.06542.50501.09711.75892.17143.09052.53712.5154
H144.82185.82925.00184.67953.94384.17974.53762.60792.14102.50503.06541.09711.75892.17142.53713.09052.5154
C156.14337.03466.30146.30144.90435.07415.07413.76522.54142.79002.79001.53162.17142.17141.09701.09701.0952
H166.41097.23166.74216.50515.09665.02625.32954.10702.81482.61323.15772.18543.09052.53711.09701.77031.7690
H176.41097.23166.50516.74215.09665.32955.02624.10702.81483.15772.61322.18542.53713.09051.09701.77031.7690
H186.94297.89467.01797.01795.81376.03726.03724.56503.49283.79423.79422.17962.51542.51541.09521.76901.7690

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 110.514 C1 C5 H7 110.514
C1 C5 O8 108.519 H2 C1 H3 108.540
H2 C1 H4 108.540 H2 C1 C5 110.497
H3 C1 H4 108.202 H3 C1 C5 110.495
H4 C1 C5 110.495 C5 O8 C9 113.350
H6 C5 H7 106.903 H6 C5 O8 110.196
H7 C5 O8 110.196 O8 C9 H10 110.312
O8 C9 H11 110.312 O8 C9 C12 108.780
C9 C12 H13 108.457 C9 C12 H14 108.457
C9 C12 C15 112.564 H10 C9 H11 106.831
H10 C9 C12 110.300 H11 C9 C12 110.300
C12 C15 H16 111.407 C12 C15 H17 111.407
C12 C15 H18 111.058 H13 C12 H14 106.572
H13 C12 C15 110.292 H14 C12 C15 110.292
H16 C15 H17 107.586 H16 C15 H18 107.595
H17 C15 H18 107.595
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.453 -0.274   -0.308
2 H 0.141 0.051   0.063
3 H 0.157 0.079   0.089
4 H 0.157 0.079   0.089
5 C -0.001 0.434   0.397
6 H 0.116 -0.054   -0.042
7 H 0.116 -0.054   -0.042
8 O -0.475 -0.497   -0.455
9 C 0.005 0.257   0.146
10 H 0.112 -0.030   0.000
11 H 0.112 -0.030   0.000
12 C -0.265 0.152   0.177
13 H 0.146 -0.014   -0.009
14 H 0.146 -0.014   -0.009
15 C -0.452 -0.253   -0.319
16 H 0.144 0.052   0.072
17 H 0.144 0.052   0.072
18 H 0.149 0.064   0.079


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.835 -0.478 0.000 0.962
CHELPG 0.845 -0.480 0.000 0.972
AIM        
ESP 0.844 -0.479 0.000 0.970


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.553 1.855 0.000
y 1.855 -38.435 0.000
z 0.000 0.000 -39.287
Traceless
 xyz
x 0.308 1.855 0.000
y 1.855 0.485 0.000
z 0.000 0.000 -0.792
Polar
3z2-r2-1.585
x2-y2-0.118
xy1.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.453 1.062 0.000
y 1.062 10.147 0.000
z 0.000 0.000 7.732


<r2> (average value of r2) Å2
<r2> 287.594
(<r2>)1/2 16.959