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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-191.594066
Energy at 298.15K-191.601675
Nuclear repulsion energy155.487927
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/STO-3G
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 3809 3110 0.03      
2 A 3710 3029 0.61      
3 A 3652 2982 0.54      
4 A 3596 2937 1.64      
5 A 2072 1692 0.20      
6 A 1805 1474 0.57      
7 A 1720 1404 0.50      
8 A 1542 1259 0.41      
9 A 1479 1207 0.02      
10 A 1268 1036 1.57      
11 A 1238 1011 1.86      
12 A 1157 945 17.06      
13 A 1061 866 1.09      
14 A 787 642 2.49      
15 A 414 338 0.21      
16 A 324 264 0.11      
17 A 78 64 0.00      
18 A 3810 3110 0.03      
19 A 3718 3036 2.71      
20 A 3707 3027 5.57      
21 A 3651 2981 65.80      
22 A 2065 1686 2.10      
23 A 1730 1413 1.32      
24 A 1592 1300 10.05      
25 A 1528 1247 18.06      
26 A 1364 1114 0.70      
27 A 1249 1020 2.77      
28 A 1157 945 15.78      
29 A 1129 922 0.23      
30 A 1047 855 2.82      
31 A 710 580 4.13      
32 A 500 408 1.72      
33 A 91 74 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 29379.2 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 23988.1 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/STO-3G
ABC
0.65419 0.07854 0.07792

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.682
C2 0.000 1.265 -0.175
C3 0.000 -1.265 -0.175
C4 0.957 2.157 -0.187
C5 -0.957 -2.157 -0.187
H6 -0.880 -0.003 1.324
H7 0.880 0.003 1.324
H8 -0.871 1.391 -0.810
H9 0.871 -1.391 -0.810
H10 0.913 3.036 -0.815
H11 -0.913 -3.036 -0.815
H12 1.840 2.062 0.430
H13 -1.840 -2.062 0.430

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52791.52792.51462.51461.08941.08942.21802.21803.50593.50592.77532.7753
C21.52792.52941.30833.55282.15192.14791.08482.86622.09274.44272.09473.8497
C31.52792.52943.55281.30832.14792.15192.86621.08484.44272.09273.84972.0947
C42.51461.30833.55284.71903.21342.63192.07713.60311.08115.55461.08145.0994
C52.51463.55281.30834.71902.63193.21343.60312.07715.55461.08115.09941.0814
H61.08942.15192.14793.21342.63191.76052.54903.08944.12643.71103.53082.4412
H71.08942.14792.15192.63193.21341.76053.08942.54903.71104.12642.44123.5308
H82.21801.08482.86622.07713.60312.54903.08943.28272.42614.42743.05543.7950
H92.21802.86621.08483.60312.07713.08942.54903.28274.42742.42613.79503.0554
H103.50592.09274.44271.08115.55464.12643.71102.42614.42746.34041.83225.9261
H113.50594.44272.09275.55461.08113.71104.12644.42742.42616.34045.92611.8322
H122.77532.09473.84971.08145.09943.53082.44123.05543.79501.83225.92615.5276
H132.77533.84972.09475.09941.08142.44123.53083.79503.05545.92611.83225.5276

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.716 C1 C2 H8 115.132
C1 C3 C5 124.716 C1 C3 H9 115.132
C2 C1 C3 111.731 C2 C1 H6 109.463
C2 C1 H7 109.148 C2 C4 H10 121.996
C2 C4 H12 122.171 C3 C1 H6 109.148
C3 C1 H7 109.463 C3 C5 H11 121.996
C3 C5 H13 122.171 C4 C2 H8 120.150
C5 C3 H9 120.150 H6 C1 H7 107.804
H10 C4 H12 115.833 H11 C5 H13 115.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 C -0.049      
3 C -0.049      
4 C -0.140      
5 C -0.140      
6 H 0.065      
7 H 0.065      
8 H 0.059      
9 H 0.059      
10 H 0.061      
11 H 0.061      
12 H 0.059      
13 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.066 0.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.170 0.189 0.000
y 0.189 -30.298 0.000
z 0.000 0.000 -30.046
Traceless
 xyz
x 1.002 0.189 0.000
y 0.189 -0.690 0.000
z 0.000 0.000 -0.313
Polar
3z2-r2-0.625
x2-y21.128
xy0.189
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.759 2.339 0.000
y 2.339 5.620 0.000
z 0.000 0.000 2.556


<r2> (average value of r2) Å2
<r2> 157.048
(<r2>)1/2 12.532