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All results from a given calculation for C5H8 (1,3-Pentadiene, (Z)-)

using model chemistry: PBE1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-195.016587
Energy at 298.15K-195.024133
HF Energy-195.016587
Nuclear repulsion energy155.438270
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 PBE1PBE/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' 3285 3140 19.40      
2 A' 3206 3065 43.62      
3 A' 3198 3057 11.14      
4 A' 3186 3046 8.20      
5 A' 3177 3037 6.10      
6 A' 3164 3025 3.21      
7 A' 3054 2919 30.01      
8 A' 1761 1683 10.00      
9 A' 1698 1623 2.44      
10 A' 1536 1468 10.40      
11 A' 1512 1445 13.21      
12 A' 1465 1400 9.02      
13 A' 1440 1376 0.43      
14 A' 1362 1302 0.46      
15 A' 1333 1275 1.53      
16 A' 1228 1174 2.80      
17 A' 1098 1049 0.19      
18 A' 1001 957 14.59      
19 A' 921 881 1.71      
20 A' 637 609 6.28      
21 A' 399 381 4.00      
22 A' 224 214 0.21      
23 A" 3115 2977 20.22      
24 A" 1527 1460 11.25      
25 A" 1097 1049 0.02      
26 A" 1065 1018 13.77      
27 A" 1027 982 0.24      
28 A" 974 931 72.81      
29 A" 827 790 10.31      
30 A" 661 632 34.97      
31 A" 367 351 0.16      
32 A" 144 138 0.01      
33 A" 120 115 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 25403.5 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 24283.2 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 PBE1PBE/6-31G
ABC
0.53142 0.08785 0.07646

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.396 0.150 0.000
C2 1.102 -0.209 0.000
C3 0.000 0.740 0.000
C4 -1.316 0.451 0.000
C5 -1.950 -0.905 0.000
H6 2.696 1.195 0.000
H7 3.195 -0.584 0.000
H8 0.853 -1.269 0.000
H9 0.291 1.790 0.000
H10 -2.015 1.287 0.000
H11 -1.220 -1.718 0.000
H12 -2.594 -1.034 0.880
H13 -2.594 -1.034 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34342.46783.72474.47241.08721.08462.09612.66854.55554.07005.20335.2033
C21.34341.45442.50653.13002.12472.12651.08822.15753.45722.76883.88723.8872
C32.46781.45441.34792.55142.73423.45842.18261.08962.08802.74433.26343.2634
C43.72472.50651.34791.49644.08104.62842.76812.09271.08942.17072.14712.1471
C54.47243.13002.55141.49645.09875.15502.82663.50542.19221.09271.09801.0980
H61.08722.12472.73424.08105.09871.84733.07682.47744.71244.88075.80735.8073
H71.08462.12653.45844.62845.15501.84732.44013.75065.53574.55835.87255.8725
H82.09611.08822.18262.76812.82663.07682.44013.11013.84132.12113.56513.5651
H92.66852.15751.08962.09273.50542.47743.75063.11012.36113.81984.13204.1320
H104.55553.45722.08801.08942.19224.71245.53573.84132.36113.10772.54802.5480
H114.07002.76882.74432.17071.09274.88074.55832.12113.81983.10771.76911.7691
H125.20333.88723.26342.14711.09805.80735.87253.56514.13202.54801.76911.7602
H135.20333.88723.26342.14711.09805.80735.87253.56514.13202.54801.76911.7602

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.730 C1 C2 H8 118.720
C2 C1 H6 121.527 C2 C1 H7 121.926
C2 C3 C4 126.831 C2 C3 H9 115.251
C3 C2 H8 117.551 C3 C4 C5 127.461
C3 C4 H10 117.501 C4 C3 H9 117.917
C4 C5 H11 113.023 C4 C5 H12 110.770
C4 C5 H13 110.770 C5 C4 H10 115.038
H6 C1 H7 116.547 H11 C5 H12 107.719
H11 C5 H13 107.719 H12 C5 H13 106.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.376      
2 C -0.103      
3 C -0.151      
4 C -0.146      
5 C -0.546      
6 H 0.157      
7 H 0.158      
8 H 0.158      
9 H 0.154      
10 H 0.156      
11 H 0.174      
12 H 0.182      
13 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.526 -0.224 0.000 0.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.582 0.229 0.000
y 0.229 -29.183 0.000
z 0.000 0.000 -34.597
Traceless
 xyz
x 3.308 0.229 0.000
y 0.229 2.407 0.000
z 0.000 0.000 -5.715
Polar
3z2-r2-11.429
x2-y20.601
xy0.229
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.116 0.879 0.000
y 0.879 7.036 0.000
z 0.000 0.000 3.585


<r2> (average value of r2) Å2
<r2> 156.162
(<r2>)1/2 12.496