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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-33.013066
Energy at 298.15K-33.020436
Nuclear repulsion energy82.429064
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 B3LYP/CEP-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 3227 3116 29.02      
2 A 3150 3042 12.09      
3 A 3142 3034 51.39      
4 A 3135 3027 7.47      
5 A 3133 3025 14.83      
6 A 3112 3005 11.90      
7 A 3027 2923 47.67      
8 A 1724 1664 16.45      
9 A 1668 1611 8.30      
10 A 1490 1439 9.89      
11 A 1442 1393 3.40      
12 A 1411 1363 4.42      
13 A 1321 1276 2.23      
14 A 1313 1268 1.13      
15 A 1280 1236 2.94      
16 A 1202 1161 1.39      
17 A 1097 1059 0.09      
18 A 971 938 12.78      
19 A 896 866 6.14      
20 A 471 455 0.00      
21 A 439 424 0.56      
22 A 191 185 1.86      
23 A 3074 2969 38.02      
24 A 1480 1429 10.31      
25 A 1067 1030 88.06      
26 A 1056 1020 2.21      
27 A 1006 972 9.05      
28 A 916 884 63.17      
29 A 859 830 15.24      
30 A 655 632 2.93      
31 A 263 254 2.91      
32 A 211 203 0.32      
33 A 143 138 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 24785.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 23935.4 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 B3LYP/CEP-31G*
ABC
0.92604 0.06986 0.06577

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.375 1.064 0.000
C2 -1.460 0.048 0.000
C3 0.000 0.256 0.000
C4 0.912 -0.764 0.000
C5 2.419 -0.576 0.000
H6 -2.062 2.115 0.000
H7 -3.453 0.867 0.000
H8 -1.808 -0.993 0.000
H9 0.351 1.297 0.000
H10 0.541 -1.798 0.000
H11 2.689 0.494 0.000
H12 2.879 -1.050 0.888
H13 2.879 -1.050 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.36792.50913.76165.06711.09621.09522.13472.73644.08645.09625.73325.7332
C21.36791.47472.50713.92872.15272.15421.09792.19982.72244.17264.56324.5632
C32.50911.47471.36832.55802.77603.50612.19751.09812.12422.69923.28393.2839
C43.76162.50711.36831.51854.13904.65922.72952.13541.09882.17662.17722.1772
C55.06713.92872.55801.51855.22666.04604.24722.78952.24071.10281.10681.1068
H61.09622.15272.77604.13905.22661.86863.11862.54814.69955.01975.93455.9345
H71.09522.15423.50614.65926.04601.86862.48303.82794.80096.15266.67486.6748
H82.13471.09792.19752.72954.24723.11862.48303.14722.48274.73604.77074.7707
H92.73642.19981.09812.13542.78952.54813.82793.14723.10042.47173.56163.5616
H104.08642.72242.12421.09882.24074.69954.80092.48273.10043.14082.61072.6107
H115.09624.17262.69922.17661.10285.01976.15264.73602.47173.14081.79071.7907
H125.73324.56323.28392.17721.10685.93456.67484.77073.56162.61071.79071.7758
H135.73324.56323.28392.17721.10685.93456.67484.77073.56162.61071.79071.7758

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 123.894 C1 C2 H8 119.527
C2 C1 H6 121.376 C2 C1 H7 121.604
C2 C3 C4 123.691 C2 C3 H9 116.764
C3 C2 H8 116.579 C3 C4 C5 124.690
C3 C4 H10 118.456 C4 C3 H9 119.545
C4 C5 H11 111.277 C4 C5 H12 111.080
C4 C5 H13 111.080 C5 C4 H10 116.853
H6 C1 H7 117.020 H11 C5 H12 108.272
H11 C5 H13 108.272 H12 C5 H13 106.686
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.722      
2 C -0.020      
3 C -0.234      
4 C -0.349      
5 C -0.486      
6 H 0.221      
7 H 0.214      
8 H 0.294      
9 H 0.324      
10 H 0.283      
11 H 0.178      
12 H 0.148      
13 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.611 -0.324 0.000 0.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.042 0.056 0.000
y 0.056 -28.346 0.000
z 0.000 0.000 -34.989
Traceless
 xyz
x 2.625 0.056 0.000
y 0.056 3.670 0.000
z 0.000 0.000 -6.295
Polar
3z2-r2-12.590
x2-y2-0.696
xy0.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.824 -3.928 0.000
y -3.928 8.931 0.000
z 0.000 0.000 4.606


<r2> (average value of r2) Å2
<r2> 144.337
(<r2>)1/2 12.014