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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-193.132267
Energy at 298.15K-193.139661
Nuclear repulsion energy153.665424
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 LSDA/3-21G*
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 3181 3124 6.40      
2 A 3086 3031 0.53      
3 A 3077 3022 36.48      
4 A 3072 3016 1.86      
5 A 3059 3004 0.90      
6 A 3053 2998 0.84      
7 A 2965 2911 15.26      
8 A 1701 1670 12.77      
9 A 1656 1626 4.98      
10 A 1487 1461 14.93      
11 A 1443 1417 11.01      
12 A 1398 1373 11.81      
13 A 1324 1300 3.34      
14 A 1306 1282 0.20      
15 A 1288 1265 0.45      
16 A 1213 1191 2.31      
17 A 1110 1090 0.59      
18 A 997 979 18.35      
19 A 911 895 10.47      
20 A 494 485 0.01      
21 A 455 447 0.13      
22 A 194 190 1.47      
23 A 3020 2966 8.68      
24 A 1476 1450 14.31      
25 A 1056 1037 5.51      
26 A 1019 1000 48.64      
27 A 952 934 23.34      
28 A 904 888 42.07      
29 A 836 821 17.84      
30 A 636 624 2.39      
31 A 261 256 3.17      
32 A 213 209 0.14      
33 A 138 136 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 24489.0 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 24048.2 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 LSDA/3-21G*
ABC
0.94385 0.07274 0.06841

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.391 0.814 0.000
C2 -1.401 -0.088 0.000
C3 0.000 0.246 0.000
C4 0.989 -0.660 0.000
C5 2.437 -0.329 0.000
H6 -2.174 1.889 0.000
H7 -3.445 0.522 0.000
H8 -1.642 -1.162 0.000
H9 0.254 1.318 0.000
H10 0.723 -1.729 0.000
H11 2.592 0.765 0.000
H12 2.946 -0.751 0.888
H13 2.946 -0.751 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33942.45763.68784.96141.09661.09342.11342.69234.02084.98375.63235.6323
C21.33941.44082.45803.84582.12302.13231.10022.17172.68444.08384.48634.4863
C32.45761.44081.34182.50382.72493.45562.16301.10102.10342.64363.23453.2345
C43.68782.45801.34181.48534.06274.58852.67812.11051.10082.14502.15092.1509
C54.96143.84582.50381.48535.11665.94264.16282.73452.21261.10421.10761.1076
H61.09662.12302.72494.06275.11661.86673.09712.49414.63514.89735.82875.8287
H71.09342.13233.45564.58855.94261.86672.46673.78314.73676.04196.57626.5762
H82.11341.10022.16302.67814.16283.09712.46673.12112.43214.65174.69074.6907
H92.69232.17171.10102.11052.73452.49413.78313.12113.08252.40323.50973.5097
H104.02082.68442.10341.10082.21264.63514.73672.43213.08253.11582.58512.5851
H114.98374.08382.64362.14501.10424.89736.04194.65172.40323.11581.79221.7922
H125.63234.48633.23452.15091.10765.82876.57624.69073.50972.58511.79221.7768
H135.63234.48633.23452.15091.10765.82876.57624.69073.50972.58511.79221.7768

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.209 C1 C2 H8 119.744
C2 C1 H6 120.944 C2 C1 H7 122.114
C2 C3 C4 124.052 C2 C3 H9 116.750
C3 C2 H8 116.046 C3 C4 C5 124.579
C3 C4 H10 118.555 C4 C3 H9 119.198
C4 C5 H11 110.999 C4 C5 H12 111.261
C4 C5 H13 111.261 C5 C4 H10 116.866
H6 C1 H7 116.942 H11 C5 H12 108.245
H11 C5 H13 108.245 H12 C5 H13 106.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.424      
2 C -0.202      
3 C -0.192      
4 C -0.178      
5 C -0.689      
6 H 0.200      
7 H 0.205      
8 H 0.200      
9 H 0.192      
10 H 0.199      
11 H 0.223      
12 H 0.233      
13 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.652 -0.219 0.000 0.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.233 -0.260 0.000
y -0.260 -28.789 0.000
z 0.000 0.000 -35.056
Traceless
 xyz
x 3.690 -0.260 0.000
y -0.260 2.855 0.000
z 0.000 0.000 -6.545
Polar
3z2-r2-13.090
x2-y20.557
xy-0.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.403 -2.689 0.000
y -2.689 7.975 0.000
z 0.000 0.000 3.250


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000