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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-195.371478
Energy at 298.15K-195.378535
HF Energy-195.371478
Nuclear repulsion energy152.510488
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 B3LYPultrafine/aug-cc-pVTZ
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 3114 3013 15.40      
2 A 3098 2997 0.39      
3 A 3060 2960 18.79      
4 A 3018 2920 7.70      
5 A 1513 1464 4.14      
6 A 1484 1436 5.36      
7 A 1445 1398 0.00      
8 A 1409 1363 2.07      
9 A 1165 1127 0.00      
10 A 1093 1058 2.07      
11 A 1062 1028 0.40      
12 A 905 876 22.49      
13 A 825 798 0.06      
14 A 542 525 5.74      
15 A 298 288 0.91      
16 A 170 164 0.09      
17 A 138 134 2.08      
18 B 3114 3013 34.07      
19 B 3096 2995 0.45      
20 B 3060 2960 18.66      
21 B 3017 2919 75.22      
22 B 2049 1983 17.16      
23 B 1493 1445 10.27      
24 B 1483 1435 5.76      
25 B 1406 1360 5.48      
26 B 1315 1272 22.74      
27 B 1098 1062 2.39      
28 B 1060 1025 1.25      
29 B 959 927 14.68      
30 B 715 691 15.81      
31 B 573 555 14.68      
32 B 227 219 1.22      
33 B 153 148 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 24576.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 23777.4 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.58262 0.07453 0.07207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.413
C2 0.000 1.304 0.412
C3 0.000 -1.304 0.412
C4 -0.875 2.169 -0.460
C5 0.875 -2.169 -0.460
H6 0.675 1.821 1.089
H7 -0.675 -1.821 1.089
H8 -1.511 2.814 0.151
H9 -0.268 2.820 -1.092
H10 -1.513 1.563 -1.100
H11 1.511 -2.814 0.151
H12 0.268 -2.820 -1.092
H13 1.513 -1.563 -1.100

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30371.30372.49622.49622.05632.05633.20463.20832.65063.20463.20832.6506
C21.30372.60741.50773.68551.08713.26782.15212.15282.15504.39374.39793.5773
C31.30372.60743.68551.50773.26781.08714.39374.39793.57732.15212.15282.1550
C42.49621.50773.68554.67732.21844.28451.09231.09231.08835.55805.15744.4772
C52.49623.68551.50774.67734.28452.21845.55805.15744.47721.09231.09231.0883
H62.05631.08713.26782.21844.28453.88442.57762.57813.10614.80225.14454.1171
H72.05633.26781.08714.28452.21843.88444.80225.14454.11712.57762.57813.1061
H83.20462.15214.39371.09235.55802.57764.80221.75781.76886.38766.03785.4656
H93.20832.15284.39791.09235.15742.57815.14451.75781.76916.03785.66604.7320
H102.65062.15503.57731.08834.47723.10614.11711.76881.76915.46564.73204.3519
H113.20464.39372.15215.55801.09234.80222.57766.38766.03785.46561.75781.7688
H123.20834.39792.15285.15741.09235.14452.57816.03785.66604.73201.75781.7691
H132.65063.57732.15504.47721.08834.11713.10615.46564.73204.35191.76881.7691

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 125.062 C1 C2 H6 118.370
C1 C3 C5 125.062 C1 C3 H7 118.370
C2 C1 C3 179.857 C2 C4 H8 110.720
C2 C4 H9 110.777 C2 C4 H10 111.193
C3 C5 H11 110.720 C3 C5 H12 110.777
C3 C5 H13 111.193 C4 C2 H6 116.567
C5 C3 H7 116.567 H8 C4 H9 107.155
H8 C4 H10 108.419 H9 C4 H10 108.443
H11 C5 H12 107.155 H11 C5 H13 108.419
H12 C5 H13 108.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.632      
2 C -0.414      
3 C -0.414      
4 C -0.635      
5 C -0.635      
6 H 0.168      
7 H 0.168      
8 H 0.185      
9 H 0.197      
10 H 0.183      
11 H 0.185      
12 H 0.197      
13 H 0.183      


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 -0.227 0.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.605 -0.178 0.000
y -0.178 -28.547 0.000
z 0.000 0.000 -32.795
Traceless
 xyz
x -1.934 -0.178 0.000
y -0.178 4.153 0.000
z 0.000 0.000 -2.219
Polar
3z2-r2-4.438
x2-y2-4.058
xy-0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.927 -1.235 0.000
y -1.235 15.004 0.000
z 0.000 0.000 7.791


<r2> (average value of r2) Å2
<r2> 171.991
(<r2>)1/2 13.115