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All results from a given calculation for C5H8 (1,3-Pentadiene, (Z)-)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-193.956368
Energy at 298.15K-193.964082
HF Energy-193.956368
Nuclear repulsion energy156.149723
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 HF/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' 3413 3067 27.48      
2 A' 3366 3024 15.47      
3 A' 3346 3006 39.72      
4 A' 3331 2993 16.06      
5 A' 3321 2984 7.91      
6 A' 3296 2962 13.77      
7 A' 3198 2873 43.27      
8 A' 1907 1714 8.55      
9 A' 1827 1641 2.40      
10 A' 1638 1471 4.96      
11 A' 1610 1446 9.01      
12 A' 1570 1411 2.72      
13 A' 1523 1369 4.06      
14 A' 1445 1299 2.29      
15 A' 1403 1260 1.41      
16 A' 1288 1157 0.80      
17 A' 1155 1038 0.08      
18 A' 1031 926 7.52      
19 A' 950 854 1.32      
20 A' 657 591 4.88      
21 A' 416 374 4.62      
22 A' 238 214 0.45      
23 A" 3240 2911 36.52      
24 A" 1628 1463 5.10      
25 A" 1179 1059 0.95      
26 A" 1148 1031 13.21      
27 A" 1111 999 0.02      
28 A" 1065 957 57.08      
29 A" 883 794 8.69      
30 A" 700 629 27.26      
31 A" 396 356 0.23      
32 A" 135 121 0.08      
33 A" 117 105 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 26764.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 24048.1 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 HF/6-31G*
ABC
0.53693 0.08818 0.07680

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.386 0.137 0.000
C2 1.112 -0.224 0.000
C3 0.000 0.735 0.000
C4 -1.298 0.460 0.000
C5 -1.964 -0.888 0.000
H6 2.682 1.172 0.000
H7 3.178 -0.590 0.000
H8 0.871 -1.272 0.000
H9 0.293 1.772 0.000
H10 -1.978 1.296 0.000
H11 -1.261 -1.710 0.000
H12 -2.602 -0.994 0.873
H13 -2.602 -0.994 -0.873

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.32342.45933.69744.46831.07671.07492.06842.65564.51484.08755.18845.1884
C21.32341.46832.50503.14682.10072.09761.07582.15753.44372.80023.89273.8927
C32.45931.46831.32662.54742.71783.44262.18801.07812.05602.75103.24413.2441
C43.69742.50501.32661.50324.04344.59672.77562.06251.07832.17032.13982.1398
C54.46833.14682.54741.50325.08225.14992.86093.48862.18441.08181.08701.0870
H61.07672.10072.71784.04345.08221.83003.04192.46354.66194.88425.77775.7777
H71.07492.09763.44264.59675.14991.83002.40513.72825.48974.57765.85935.8593
H82.06841.07582.18802.77562.86093.04192.40513.09883.83612.17663.59223.5922
H92.65562.15751.07812.06253.48862.46353.72823.09882.32033.81354.09884.0988
H104.51483.44372.05601.07832.18444.66195.48973.83612.32033.09102.53002.5300
H114.08752.80022.75102.17031.08184.88424.57762.17663.81353.09101.75331.7533
H125.18843.89273.24412.13981.08705.77775.85933.59224.09882.53001.75331.7467
H135.18843.89273.24412.13981.08705.77775.85933.59224.09882.53001.75331.7467

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.434 C1 C2 H8 118.753
C2 C1 H6 121.816 C2 C1 H7 121.651
C2 C3 C4 127.276 C2 C3 H9 114.975
C3 C2 H8 117.813 C3 C4 C5 128.266
C3 C4 H10 117.135 C4 C3 H9 117.750
C4 C5 H11 113.181 C4 C5 H12 110.370
C4 C5 H13 110.370 C5 C4 H10 114.599
H6 C1 H7 116.533 H11 C5 H12 107.881
H11 C5 H13 107.881 H12 C5 H13 106.916
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.411      
2 C -0.138      
3 C -0.186      
4 C -0.176      
5 C -0.514      
6 H 0.176      
7 H 0.179      
8 H 0.187      
9 H 0.182      
10 H 0.178      
11 H 0.173      
12 H 0.174      
13 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.387 -0.168 0.000 0.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.152 0.117 0.002
y 0.117 -29.702 0.006
z 0.002 0.006 -34.980
Traceless
 xyz
x 3.189 0.117 0.002
y 0.117 2.364 0.006
z 0.002 0.006 -5.553
Polar
3z2-r2-11.107
x2-y20.550
xy0.117
xz0.002
yz0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.836 1.030 0.004
y 1.030 6.775 0.003
z 0.004 0.003 3.734


<r2> (average value of r2) Å2
<r2> 155.763
(<r2>)1/2 12.480