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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-195.245847
Energy at 298.15K-195.253197
Nuclear repulsion energy156.792282
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 mPW1PW91/6-31G**
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 3244 3087 3.46      
2 A 3167 3014 8.26      
3 A 3165 3012 8.03      
4 A 3162 3009 27.29      
5 A 3161 3008 26.57      
6 A 3082 2933 18.28      
7 A 3078 2929 19.20      
8 A 3050 2902 36.47      
9 A 2098 1996 30.53      
10 A 1519 1445 5.89      
11 A 1510 1436 7.35      
12 A 1506 1433 0.50      
13 A 1490 1418 3.09      
14 A 1432 1362 5.09      
15 A 1382 1315 13.91      
16 A 1363 1297 1.93      
17 A 1295 1232 0.02      
18 A 1167 1111 1.81      
19 A 1109 1055 2.34      
20 A 1103 1050 3.14      
21 A 1028 978 0.01      
22 A 1010 961 0.80      
23 A 911 867 13.75      
24 A 879 837 52.05      
25 A 870 828 7.35      
26 A 796 757 3.69      
27 A 645 614 1.93      
28 A 530 504 4.54      
29 A 366 348 2.85      
30 A 348 331 5.73      
31 A 250 238 0.08      
32 A 153 145 0.23      
33 A 102 97 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 24985.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23773.4 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 mPW1PW91/6-31G**
ABC
0.34229 0.10688 0.08544

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.376 0.501 -0.001
C2 1.502 -1.015 0.000
C3 -0.042 1.013 0.001
C4 -1.118 0.271 -0.001
C5 -2.198 -0.463 -0.000
H6 1.892 0.920 -0.874
H7 1.895 0.921 0.871
H8 1.023 -1.447 0.882
H9 2.551 -1.318 -0.001
H10 1.020 -1.449 -0.879
H11 -0.169 2.095 0.003
H12 -2.666 -0.782 0.927
H13 -2.668 -0.780 -0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52091.50752.50483.70151.09751.09752.16802.16562.16822.22044.34094.3425
C21.52092.54822.91833.74002.15872.15871.09271.09241.09273.53034.27534.2781
C31.50752.54821.30712.61272.12462.12462.82193.48662.82181.08963.31133.3127
C42.50482.91831.30711.30563.20073.20272.88413.99862.88152.05562.08932.0894
C53.70153.74002.61271.30564.40474.40673.48134.82493.47823.26441.08631.0863
H61.09752.15872.12463.20074.40471.74493.07312.49102.52412.52995.18784.8673
H71.09752.15872.12463.20274.40671.74492.52372.49133.07322.52814.86825.1907
H82.16801.09272.82192.88413.48133.07312.52371.76971.76183.83973.74854.1645
H92.16561.09243.48663.99864.82492.49102.49131.76971.76974.36485.32565.3280
H102.16821.09272.82182.88153.47822.52413.07321.76181.76973.84094.15833.7490
H112.22043.53031.08962.05563.26442.52992.52813.83974.36483.84093.91953.9210
H124.34094.27533.31132.08931.08635.18784.86823.74855.32564.15833.91951.8531
H134.34254.27813.31272.08941.08634.86735.19074.16455.32803.74903.92101.8531

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.031 C1 C2 H9 110.856
C1 C2 H10 111.043 C1 C3 C4 125.583
C1 C3 H11 116.586 C2 C1 C3 114.577
C2 C1 H6 110.006 C2 C1 H7 110.006
C3 C1 H6 108.262 C3 C1 H7 108.259
C3 C4 C5 179.650 C4 C3 H11 117.831
C4 C5 H12 121.463 C4 C5 H13 121.477
H6 C1 H7 105.300 H8 C2 H9 108.167
H8 C2 H10 107.440 H9 C2 H10 108.166
H12 C5 H13 117.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C -0.403      
3 C -0.284      
4 C 0.273      
5 C -0.465      
6 H 0.142      
7 H 0.141      
8 H 0.141      
9 H 0.129      
10 H 0.141      
11 H 0.145      
12 H 0.149      
13 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.416 0.063 0.001 0.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.645 1.771 0.000
y 1.771 -30.780 0.001
z 0.000 0.001 -31.373
Traceless
 xyz
x 1.432 1.771 0.000
y 1.771 -0.271 0.001
z 0.000 0.001 -1.161
Polar
3z2-r2-2.321
x2-y21.135
xy1.771
xz0.000
yz0.001


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> 144.103
(<r2>)1/2 12.004