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: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-272.963208
Energy at 298.15K-272.976606
Nuclear repulsion energy250.972151
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 mPW1PW91/6-311G*
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' 3144 3000 33.62      
2 A' 3132 2989 39.59      
3 A' 3067 2927 32.61      
4 A' 3066 2926 20.46      
5 A' 3053 2913 33.52      
6 A' 2989 2852 101.83      
7 A' 2973 2837 21.64      
8 A' 1557 1486 3.20      
9 A' 1538 1468 7.63      
10 A' 1527 1457 6.32      
11 A' 1521 1452 2.53      
12 A' 1511 1442 1.03      
13 A' 1473 1406 3.30      
14 A' 1432 1366 0.77      
15 A' 1428 1363 51.50      
16 A' 1406 1341 13.43      
17 A' 1343 1282 6.65      
18 A' 1200 1145 92.25      
19 A' 1187 1133 156.09      
20 A' 1131 1080 5.85      
21 A' 1084 1035 7.15      
22 A' 1056 1008 9.42      
23 A' 924 882 7.20      
24 A' 914 872 5.31      
25 A' 497 475 3.76      
26 A' 410 392 0.92      
27 A' 307 293 0.68      
28 A' 139 133 0.33      
29 A" 3146 3003 35.89      
30 A" 3125 2983 75.19      
31 A" 3099 2957 2.19      
32 A" 3011 2874 50.88      
33 A" 3001 2864 80.58      
34 A" 1524 1454 9.78      
35 A" 1503 1434 8.17      
36 A" 1335 1275 0.92      
37 A" 1321 1260 2.37      
38 A" 1287 1228 1.95      
39 A" 1213 1158 7.96      
40 A" 1188 1134 0.64      
41 A" 913 871 1.88      
42 A" 830 792 0.66      
43 A" 771 736 1.89      
44 A" 258 246 0.93      
45 A" 239 228 0.01      
46 A" 155 148 3.57      
47 A" 95 91 1.25      
48 A" 69 66 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 36545.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 34878.5 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 mPW1PW91/6-311G*
ABC
0.53076 0.04258 0.04092

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.981 2.858 0.000
H2 1.921 3.413 0.000
H3 0.409 3.147 0.883
H4 0.409 3.147 -0.883
C5 1.237 1.370 0.000
H6 1.824 1.078 -0.885
H7 1.824 1.078 0.885
O8 0.000 0.701 0.000
C9 0.130 -0.698 0.000
H10 0.698 -1.027 -0.885
H11 0.698 -1.027 0.885
C12 -1.249 -1.320 0.000
H13 -1.793 -0.954 0.876
H14 -1.793 -0.954 -0.876
C15 -1.203 -2.841 0.000
H16 -0.684 -3.227 -0.882
H17 -0.684 -3.227 0.882
H18 -2.207 -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
C11.09201.09131.09131.50982.15902.15902.36923.65603.99383.99384.73584.79514.79516.10266.36976.36976.9054
H21.09201.77121.77122.15452.49902.49903.32344.48414.68914.68915.69685.79955.79956.99067.18707.18707.8534
H31.09131.77121.76682.15063.06752.50662.63273.95524.54214.18374.84644.65524.97666.26386.70386.46726.9840
H41.09131.77121.76682.15062.50663.06752.63273.95524.18374.54214.84644.97664.65526.26386.46726.70386.9840
C51.50982.15452.15062.15061.10091.10091.40642.34552.61082.61083.66323.91803.91804.86665.05965.05965.7769
H62.15902.49903.06752.50661.10091.76952.06182.60852.38642.97113.99714.50674.14855.02984.98215.28595.9931
H72.15902.49902.50663.06751.10091.76952.06182.60852.97112.38643.99714.14854.50675.02985.28594.98215.9931
O82.36923.32342.63272.63271.40642.06182.06181.40512.06302.06302.37612.59272.59273.74064.08354.08354.5413
C93.65604.48413.95523.95522.34552.60852.60851.40511.10191.10191.51342.12882.12882.52372.79932.79933.4739
H103.99384.68914.54214.18372.61082.38642.97112.06301.10191.77032.15953.05182.49242.77312.59873.14253.7749
H113.99384.68914.18374.54212.61082.97112.38642.06301.10191.77032.15952.49243.05182.77313.14252.59873.7749
C124.73585.69684.84644.84643.66323.99713.99712.37611.51342.15952.15951.09391.09391.52142.17562.17562.1704
H134.79515.79954.65524.97663.91804.50674.14852.59272.12883.05182.49241.09391.75202.16213.07972.52882.5081
H144.79515.79954.97664.65523.91804.14854.50672.59272.12882.49243.05181.09391.75202.16212.52883.07972.5081
C156.10266.99066.26386.26384.86665.02985.02983.74062.52372.77312.77311.52142.16212.16211.09351.09351.0916
H166.36977.18706.70386.46725.05964.98215.28594.08352.79932.59873.14252.17563.07972.52881.09351.76341.7607
H176.36977.18706.46726.70385.05965.28594.98214.08352.79933.14252.59872.17562.52883.07971.09351.76341.7607
H186.90547.85346.98406.98405.77695.99315.99314.54133.47393.77493.77492.17042.50812.50811.09161.76071.7607

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 110.600 C1 C5 H7 110.600
C1 C5 O8 108.615 H2 C1 H3 108.435
H2 C1 H4 108.435 H2 C1 C5 110.782
H3 C1 H4 108.087 H3 C1 C5 110.509
H4 C1 C5 110.509 C5 O8 C9 113.074
H6 C5 H7 106.957 H6 C5 O8 110.032
H7 C5 O8 110.032 O8 C9 H10 110.160
O8 C9 H11 110.160 O8 C9 C12 108.953
C9 C12 H13 108.392 C9 C12 H14 108.392
C9 C12 C15 112.519 H10 C9 H11 106.892
H10 C9 C12 110.333 H11 C9 C12 110.333
C12 C15 H16 111.561 C12 C15 H17 111.561
C12 C15 H18 111.259 H13 C12 H14 106.414
H13 C12 C15 110.452 H14 C12 C15 110.452
H16 C15 H17 107.480 H16 C15 H18 107.376
H17 C15 H18 107.376
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.672      
2 H 0.216      
3 H 0.228      
4 H 0.228      
5 C -0.215      
6 H 0.190      
7 H 0.190      
8 O -0.338      
9 C -0.187      
10 H 0.188      
11 H 0.188      
12 C -0.468      
13 H 0.225      
14 H 0.225      
15 C -0.665      
16 H 0.219      
17 H 0.219      
18 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.885 -0.503 0.000 1.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.874 1.951 0.000
y 1.951 -39.136 0.000
z 0.000 0.000 -39.430
Traceless
 xyz
x 0.409 1.951 0.000
y 1.951 0.016 0.000
z 0.000 0.000 -0.425
Polar
3z2-r2-0.849
x2-y20.262
xy1.951
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 284.435
(<r2>)1/2 16.865