return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H7 (1,3-pentadienyl radical)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-193.444530
Energy at 298.15K-193.450865
HF Energy-193.444530
Nuclear repulsion energy146.721309
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3375 3059 23.89      
2 A1 3295 2987 36.21      
3 A1 3289 2981 0.46      
4 A1 3278 2972 6.55      
5 A1 1650 1496 4.00      
6 A1 1540 1396 0.05      
7 A1 1345 1219 0.53      
8 A1 1299 1177 0.93      
9 A1 972 881 0.07      
10 A1 510 463 0.02      
11 A1 217 197 0.12      
12 A2 1003 909 0.00      
13 A2 866 785 0.00      
14 A2 594 538 0.00      
15 A2 259 235 0.00      
16 B1 1049 951 57.94      
17 B1 889 806 45.90      
18 B1 855 775 45.87      
19 B1 635 576 10.64      
20 B1 164 149 1.55      
21 B2 3374 3059 7.76      
22 B2 3285 2978 8.30      
23 B2 3279 2972 9.97      
24 B2 1622 1470 1.04      
25 B2 1600 1450 6.03      
26 B2 1403 1272 0.04      
27 B2 1282 1162 0.78      
28 B2 1204 1092 0.58      
29 B2 1075 974 0.63      
30 B2 482 437 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 22845.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 20707.4 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 HF/Def2TZVPP
ABC
1.06699 0.07624 0.07115

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.257
H2 0.000 0.000 1.330
C3 0.000 1.244 -0.406
C4 0.000 -1.244 -0.406
C5 0.000 2.459 0.244
C6 0.000 -2.459 0.244
H7 0.000 1.245 -1.478
H8 0.000 -1.245 -1.478
H9 0.000 2.502 1.314
H10 0.000 3.382 -0.301
H11 0.000 -2.502 1.314
H12 0.000 -3.382 -0.301

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.07241.40991.40992.45952.45952.13622.13622.71573.42792.71573.4279
H21.07242.13542.13542.68862.68863.07193.07192.50163.75472.50163.7547
C31.40992.13542.48871.37763.76021.07292.71072.13052.14034.12194.6276
C41.40992.13542.48873.76021.37762.71071.07294.12194.62762.13052.1403
C52.45952.68861.37763.76024.91882.10724.08521.07171.07145.07525.8668
C62.45952.68863.76021.37764.91884.08522.10725.07525.86681.07171.0714
H72.13623.07191.07292.71072.10724.08522.49013.06252.43994.67304.7746
H82.13623.07192.71071.07294.08522.10722.49014.67304.77463.06252.4399
H92.71572.50162.13054.12191.07175.07523.06254.67301.83995.00316.1014
H103.42793.75472.14034.62761.07145.86682.43994.77461.83996.10146.7641
H112.71572.50164.12192.13055.07521.07174.67303.06255.00316.10141.8399
H123.42793.75474.62762.14035.86681.07144.77462.43996.10146.76411.8399

picture of 1,3-pentadienyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 123.837 C1 C3 H7 118.087
C1 C4 H6 123.837 C1 C4 H8 118.087
C2 C1 C3 118.049 C2 C1 C4 118.049
C3 C1 C4 123.902 C3 C5 H9 120.368
C3 C5 H10 121.331 C4 H6 H11 120.368
C4 H6 H12 121.331 C5 C3 H7 118.076
H6 C4 H8 118.076 H9 C5 H10 118.300
H11 H6 H12 118.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 H 0.049      
3 C -0.102      
4 C -0.102      
5 C -0.131      
6 C -0.131      
7 H 0.061      
8 H 0.061      
9 H 0.060      
10 H 0.075      
11 H 0.060      
12 H 0.075      


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 -0.038 0.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.782 0.000 0.000
y 0.000 -29.141 0.000
z 0.000 0.000 -28.396
Traceless
 xyz
x -7.013 0.000 0.000
y 0.000 2.948 0.000
z 0.000 0.000 4.065
Polar
3z2-r28.130
x2-y2-6.641
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.437 0.000 0.000
y 0.000 14.169 0.000
z 0.000 0.000 7.459


<r2> (average value of r2) Å2
<r2> 161.893
(<r2>)1/2 12.724