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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-195.008673
Energy at 298.15K-195.015857
HF Energy-195.008673
Nuclear repulsion energy155.578236
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 PBEPBEultrafine/6-31G*
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 3136 3085 5.73      
2 A 3070 3020 35.54      
3 A 3070 3019 0.32      
4 A 3068 3017 27.03      
5 A 3062 3011 13.60      
6 A 2992 2943 19.93      
7 A 2979 2930 19.78      
8 A 2953 2904 36.63      
9 A 2024 1991 22.70      
10 A 1485 1461 5.45      
11 A 1477 1452 7.29      
12 A 1467 1443 0.31      
13 A 1451 1427 3.52      
14 A 1393 1370 4.85      
15 A 1346 1324 14.20      
16 A 1316 1294 3.90      
17 A 1257 1236 0.00      
18 A 1137 1119 1.97      
19 A 1074 1057 1.82      
20 A 1070 1052 2.55      
21 A 1001 984 0.02      
22 A 983 966 0.69      
23 A 873 858 12.68      
24 A 846 832 6.40      
25 A 822 808 51.60      
26 A 774 761 3.79      
27 A 625 614 1.22      
28 A 508 499 4.96      
29 A 354 348 2.72      
30 A 338 332 5.02      
31 A 247 243 0.09      
32 A 148 145 0.21      
33 A 100 98 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 24220.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 23820.8 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 PBEPBEultrafine/6-31G*
ABC
0.33751 0.10521 0.08413

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.387 0.504 0.000
C2 1.516 -1.023 -0.000
C3 -0.041 1.019 0.000
C4 -1.130 0.275 -0.001
C5 -2.218 -0.466 0.000
H6 1.908 0.927 -0.881
H7 1.908 0.927 0.881
H8 1.035 -1.461 0.890
H9 2.577 -1.323 -0.000
H10 1.034 -1.461 -0.889
H11 -0.159 2.113 0.000
H12 -2.696 -0.788 0.934
H13 -2.697 -0.788 -0.933

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53231.51822.52743.73421.10721.10722.18592.18072.18592.23104.38354.3847
C21.53232.56752.94733.77622.17482.17481.10261.10261.10263.55474.32114.3223
C31.51822.56751.31812.63572.14102.14092.84563.51282.84541.10043.34423.3453
C42.52742.94731.31811.31753.22923.22942.91434.03702.91342.07802.11122.1114
C53.73423.77622.63571.31754.44384.44363.51644.87183.51593.30071.09711.0971
H61.10722.17482.14103.22924.44381.76193.09832.50722.54292.54065.23754.9148
H71.10722.17482.14093.22944.44361.76192.54262.50753.09832.54044.91315.2385
H82.18591.10262.84562.91433.51643.09832.54261.78611.77893.87143.79134.2077
H92.18071.10263.51284.03704.87182.50722.50751.78611.78614.39225.38215.3832
H102.18591.10262.84542.91343.51592.54293.09831.77891.78613.87124.20623.7921
H112.23103.55471.10042.07803.30072.54062.54043.87144.39223.87123.96513.9661
H124.38354.32113.34422.11121.09715.23754.91313.79135.38214.20623.96511.8671
H134.38474.32233.34532.11141.09714.91485.23854.20775.38323.79213.96611.8671

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.070 C1 C2 H9 110.658
C1 C2 H10 111.070 C1 C3 C4 125.875
C1 C3 H11 115.944 C2 C1 C3 114.637
C2 C1 H6 109.920 C2 C1 H7 109.919
C3 C1 H6 108.257 C3 C1 H7 108.248
C3 C4 C5 179.918 C4 C3 H11 118.181
C4 C5 H12 121.669 C4 C5 H13 121.692
H6 C1 H7 105.438 H8 C2 H9 108.182
H8 C2 H10 107.549 H9 C2 H10 108.183
H12 C5 H13 116.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.306      
2 C -0.487      
3 C -0.328      
4 C 0.367      
5 C -0.567      
6 H 0.164      
7 H 0.164      
8 H 0.167      
9 H 0.156      
10 H 0.167      
11 H 0.160      
12 H 0.171      
13 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.437 0.072 0.000 0.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.849 -1.715 -0.001
y -1.715 -30.984 0.000
z -0.001 0.000 -31.475
Traceless
 xyz
x 1.380 -1.715 -0.001
y -1.715 -0.322 0.000
z -0.001 0.000 -1.058
Polar
3z2-r2-2.117
x2-y21.135
xy-1.715
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.234 -2.369 -0.002
y -2.369 7.407 0.001
z -0.002 0.001 5.562


<r2> (average value of r2) Å2
<r2> 146.192
(<r2>)1/2 12.091