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

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-195.364796
Energy at 298.15K-195.371872
Nuclear repulsion energy152.516238
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/6-311+G(3df,2p)
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 3111 3008 15.20      
2 A 3094 2992 0.29      
3 A 3056 2955 18.65      
4 A 3013 2914 7.44      
5 A 1514 1464 4.21      
6 A 1486 1437 5.64      
7 A 1447 1399 0.00      
8 A 1409 1362 2.23      
9 A 1166 1127 0.00      
10 A 1092 1056 2.03      
11 A 1061 1026 0.43      
12 A 906 876 22.65      
13 A 824 797 0.05      
14 A 542 524 5.78      
15 A 297 287 0.90      
16 A 178 172 0.01      
17 A 138 134 2.24      
18 A 3111 3008 33.83      
19 A 3093 2991 0.26      
20 A 3056 2956 18.35      
21 A 3012 2913 73.43      
22 A 2051 1984 16.77      
23 A 1495 1446 10.96      
24 A 1485 1436 6.01      
25 A 1405 1359 5.53      
26 A 1315 1272 22.65      
27 A 1097 1061 2.37      
28 A 1058 1023 1.33      
29 A 959 927 15.02      
30 A 717 693 16.04      
31 A 573 554 14.67      
32 A 227 220 1.09      
33 A 161 156 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 24574.2 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 23763.3 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/6-311+G(3df,2p)
ABC
0.58211 0.07456 0.07211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.411
C2 0.000 1.303 0.410
C3 0.000 -1.303 0.410
C4 -0.873 2.171 -0.458
C5 0.873 -2.171 -0.458
H6 0.677 1.818 1.088
H7 -0.677 -1.818 1.088
H8 -1.506 2.818 0.154
H9 -0.266 2.824 -1.090
H10 -1.515 1.571 -1.101
H11 1.506 -2.818 0.154
H12 0.266 -2.824 -1.090
H13 1.515 -1.571 -1.101

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30301.30302.49582.49582.05492.05493.20553.20892.65533.20553.20892.6553
C21.30302.60601.50603.68541.08783.26502.15172.15252.15644.39494.39893.5833
C31.30302.60603.68541.50603.26501.08784.39494.39893.58332.15172.15252.1564
C42.49581.50603.68544.67912.21714.28251.09281.09281.08865.56045.16144.4851
C52.49583.68541.50604.67914.28252.21715.56045.16144.48511.09281.09281.0886
H62.05491.08783.26502.21714.28253.88082.57692.57713.10754.80145.14394.1209
H72.05493.26501.08784.28252.21713.88084.80145.14394.12092.57692.57713.1075
H83.20552.15174.39491.09285.56042.57694.80141.75661.76856.39036.04255.4741
H93.20892.15254.39891.09285.16142.57715.14391.75661.76886.04255.67244.7420
H102.65532.15643.58331.08864.48513.10754.12091.76851.76885.47414.74204.3651
H113.20554.39492.15175.56041.09284.80142.57696.39036.04255.47411.75661.7685
H123.20894.39892.15255.16141.09285.14392.57716.04255.67244.74201.75661.7688
H132.65533.58332.15644.48511.08864.12093.10755.47414.74204.36511.76851.7688

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 125.213 C1 C2 H6 118.246
C1 C3 C5 125.213 C1 C3 H7 118.246
C2 C1 C3 179.911 C2 C4 H8 110.769
C2 C4 H9 110.842 C2 C4 H10 111.412
C3 C5 H11 110.769 C3 C5 H12 110.842
C3 C5 H13 111.412 C4 C2 H6 116.540
C5 C3 H7 116.540 H8 C4 H9 106.973
H8 C4 H10 108.329 H9 C4 H10 108.362
H11 C5 H12 106.973 H11 C5 H13 108.329
H12 C5 H13 108.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.677      
2 C -0.423      
3 C -0.423      
4 C -0.492      
5 C -0.492      
6 H 0.137      
7 H 0.137      
8 H 0.150      
9 H 0.152      
10 H 0.138      
11 H 0.150      
12 H 0.152      
13 H 0.138      


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 -0.230 0.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.769 -1.224 0.000
y -1.224 14.850 0.000
z 0.000 0.000 7.634


<r2> (average value of r2) Å2
<r2> 171.924
(<r2>)1/2 13.112