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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-194.002084
Energy at 298.15K-194.009481
HF Energy-194.002084
Nuclear repulsion energy153.277420
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/TZVP
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 3282 2982 14.33      
2 A 3251 2953 7.62      
3 A 3211 2917 33.38      
4 A 3164 2875 9.50      
5 A 1633 1484 3.87      
6 A 1604 1458 6.02      
7 A 1572 1428 0.02      
8 A 1534 1394 1.03      
9 A 1243 1129 0.18      
10 A 1187 1078 3.25      
11 A 1165 1059 2.37      
12 A 999 907 23.29      
13 A 879 798 0.16      
14 A 592 538 8.69      
15 A 325 295 0.76      
16 A 181 165 0.21      
17 A 151 138 2.25      
18 A 3281 2981 30.10      
19 A 3250 2953 21.29      
20 A 3211 2917 33.74      
21 A 3163 2874 96.29      
22 A 2209 2007 32.04      
23 A 1613 1466 7.92      
24 A 1604 1457 6.46      
25 A 1534 1394 8.72      
26 A 1422 1292 29.08      
27 A 1188 1080 3.81      
28 A 1164 1058 3.11      
29 A 1016 924 8.70      
30 A 795 723 15.18      
31 A 624 567 18.31      
32 A 251 228 1.80      
33 A 164 149 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 26230.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 23832.7 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/TZVP
ABC
0.58318 0.07542 0.07290

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.410
C2 0.000 1.293 0.412
C3 0.000 -1.293 0.412
C4 -0.875 2.158 -0.459
C5 0.875 -2.158 -0.459
H6 0.673 1.800 1.086
H7 -0.673 -1.800 1.086
H8 -1.506 2.797 0.150
H9 -0.268 2.803 -1.087
H10 -1.509 1.556 -1.096
H11 1.506 -2.797 0.150
H12 0.268 -2.803 -1.087
H13 1.509 -1.556 -1.096

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.29351.29352.48552.48552.03702.03703.18713.18932.63923.18713.18932.6392
C21.29352.58691.50693.66551.07873.23692.14392.14442.14914.36654.37033.5591
C31.29352.58693.66551.50693.23691.07874.36654.37033.55912.14392.14442.1491
C42.48551.50693.66554.65692.21554.25391.08551.08551.08205.53065.12954.4584
C52.48553.66551.50694.65694.25392.21555.53065.12954.45841.08551.08551.0820
H62.03701.07873.23692.21554.25393.84362.57182.57173.09494.76475.10644.0892
H72.03703.23691.07874.25392.21553.84364.76475.10644.08922.57182.57173.0949
H83.18712.14394.36651.08555.53062.57184.76471.75041.75896.35296.00315.4393
H93.18932.14444.37031.08555.12952.57175.10641.75041.75926.00315.63144.7070
H102.63922.14913.55911.08204.45843.09494.08921.75891.75925.43934.70704.3344
H113.18714.36652.14395.53061.08554.76472.57186.35296.00315.43931.75041.7589
H123.18934.37032.14445.12951.08555.10642.57176.00315.63144.70701.75041.7592
H132.63923.55912.14914.45841.08204.08923.09495.43934.70704.33441.75891.7592

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.966 C1 C2 H6 118.068
C1 C3 C5 124.966 C1 C3 H7 118.068
C2 C1 C3 179.876 C2 C4 H8 110.528
C2 C4 H9 110.568 C2 C4 H10 111.161
C3 C5 H11 110.528 C3 C5 H12 110.568
C3 C5 H13 111.161 C4 C2 H6 116.966
C5 C3 H7 116.966 H8 C4 H9 107.470
H8 C4 H10 108.488 H9 C4 H10 108.513
H11 C5 H12 107.470 H11 C5 H13 108.488
H12 C5 H13 108.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.114      
2 C -0.099      
3 C -0.099      
4 C -0.252      
5 C -0.252      
6 H 0.126      
7 H 0.126      
8 H 0.088      
9 H 0.087      
10 H 0.108      
11 H 0.088      
12 H 0.087      
13 H 0.108      


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 -0.215 0.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.623 -0.102 0.000
y -0.102 -28.328 0.000
z 0.000 0.000 -32.808
Traceless
 xyz
x -2.055 -0.102 0.000
y -0.102 4.388 0.000
z 0.000 0.000 -2.333
Polar
3z2-r2-4.666
x2-y2-4.295
xy-0.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.580 -0.910 0.000
y -0.910 13.945 0.000
z 0.000 0.000 6.496


<r2> (average value of r2) Å2
<r2> 170.219
(<r2>)1/2 13.047