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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-195.235684
Energy at 298.15K-195.242757
Nuclear repulsion energy152.417017
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 B3PW91/6-31G(2df,p)
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 3147 3025 13.24      
2 A 3125 3005 3.56      
3 A 3092 2973 18.87      
4 A 3033 2916 7.40      
5 A 1513 1454 2.54      
6 A 1477 1420 4.77      
7 A 1446 1390 0.27      
8 A 1395 1341 1.47      
9 A 1169 1124 0.03      
10 A 1088 1046 1.49      
11 A 1051 1011 0.03      
12 A 907 872 18.66      
13 A 829 797 0.00      
14 A 546 525 3.20      
15 A 294 283 1.20      
16 A 183 176 0.00      
17 A 139 134 1.39      
18 A 3147 3025 28.78      
19 A 3124 3003 2.94      
20 A 3092 2973 18.95      
21 A 3032 2915 67.84      
22 A 2088 2008 11.75      
23 A 1485 1428 6.58      
24 A 1476 1419 5.16      
25 A 1392 1338 5.71      
26 A 1304 1254 22.73      
27 A 1100 1057 2.05      
28 A 1049 1008 0.42      
29 A 966 929 16.26      
30 A 711 684 14.81      
31 A 573 551 11.43      
32 A 230 221 0.52      
33 A 163 157 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 24683.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 23730.6 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 B3PW91/6-31G(2df,p)
ABC
0.58021 0.07461 0.07215

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.412
C2 0.000 1.305 0.411
C3 0.000 -1.305 0.411
C4 -0.872 2.168 -0.458
C5 0.872 -2.168 -0.458
H6 0.678 1.824 1.091
H7 -0.678 -1.824 1.091
H8 -1.510 2.819 0.152
H9 -0.265 2.824 -1.094
H10 -1.515 1.564 -1.102
H11 1.510 -2.819 0.152
H12 0.265 -2.824 -1.094
H13 1.515 -1.564 -1.102

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30471.30472.49382.49382.06062.06063.20843.21102.65143.20843.21102.6514
C21.30472.60941.50403.68481.09113.27222.15402.15462.15644.39914.40223.5791
C31.30472.60943.68481.50403.27221.09114.39914.40223.57912.15402.15462.1564
C42.49381.50403.68484.67432.21814.28621.09671.09671.09225.56075.15934.4764
C52.49383.68481.50404.67434.28622.21815.56075.15934.47641.09671.09671.0922
H62.06061.09113.27222.21814.28623.89102.58012.58063.11154.80905.15184.1207
H72.06063.27221.09114.28622.21813.89104.80905.15184.12072.58012.58063.1115
H83.20842.15404.39911.09675.56072.58014.80901.76161.77486.39596.04525.4707
H93.21102.15464.40221.09675.15932.58065.15181.76161.77516.04525.67264.7345
H102.65142.15643.57911.09224.47643.11154.12071.77481.77515.47074.73454.3537
H113.20844.39912.15405.56071.09674.80902.58016.39596.04525.47071.76161.7748
H123.21104.40222.15465.15931.09675.15182.58066.04525.67264.73451.76161.7751
H132.65143.57912.15644.47641.09224.12073.11155.47074.73454.35371.77481.7751

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 125.066 C1 C2 H6 118.379
C1 C3 C5 125.066 C1 C3 H7 118.379
C2 C1 C3 179.948 C2 C4 H8 110.863
C2 C4 H9 110.909 C2 C4 H10 111.333
C3 C5 H11 110.863 C3 C5 H12 110.909
C3 C5 H13 111.333 C4 C2 H6 116.555
C5 C3 H7 116.555 H8 C4 H9 106.858
H8 C4 H10 108.347 H9 C4 H10 108.372
H11 C5 H12 106.858 H11 C5 H13 108.347
H12 C5 H13 108.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.385      
2 C -0.306      
3 C -0.306      
4 C -0.471      
5 C -0.471      
6 H 0.135      
7 H 0.135      
8 H 0.150      
9 H 0.150      
10 H 0.150      
11 H 0.150      
12 H 0.150      
13 H 0.150      


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 -0.197 0.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.374 -0.152 0.000
y -0.152 -27.417 0.000
z 0.000 0.000 -31.547
Traceless
 xyz
x -1.892 -0.152 0.000
y -0.152 4.044 0.000
z 0.000 0.000 -2.152
Polar
3z2-r2-4.304
x2-y2-3.958
xy-0.152
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.221 -1.101 0.000
y -1.101 13.507 0.000
z 0.000 0.000 6.110


<r2> (average value of r2) Å2
<r2> 171.180
(<r2>)1/2 13.084