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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-193.965267
Energy at 298.15K-193.972684
Nuclear repulsion energy154.608129
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 PBEPBE/3-21G
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 3173 3145 14.72      
2 A 3102 3074 38.32      
3 A 3093 3065 4.23      
4 A 3083 3055 6.57      
5 A 3078 3050 3.44      
6 A 3064 3036 0.76      
7 A 3013 2985 15.89      
8 A 2969 2942 20.52      
9 A 1655 1640 7.09      
10 A 1617 1603 2.16      
11 A 1506 1492 11.19      
12 A 1503 1490 9.90      
13 A 1467 1453 9.63      
14 A 1414 1401 10.74      
15 A 1399 1386 0.34      
16 A 1325 1313 0.57      
17 A 1290 1279 1.68      
18 A 1182 1171 4.16      
19 A 1062 1052 0.68      
20 A 1056 1046 0.00      
21 A 1012 1002 17.98      
22 A 962 953 1.38      
23 A 956 948 14.55      
24 A 898 890 63.99      
25 A 877 869 3.19      
26 A 784 777 8.83      
27 A 626 620 37.14      
28 A 620 615 6.27      
29 A 391 388 3.87      
30 A 343 340 0.16      
31 A 227 225 0.14      
32 A 154 152 0.01      
33 A 121 119 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 24509.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 24286.8 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 PBEPBE/3-21G
ABC
0.52082 0.08741 0.07592

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.058 -0.370 -0.000
C2 -0.110 0.740 -0.000
C3 1.242 0.647 0.000
C4 -2.400 -0.205 -0.000
C5 2.065 -0.619 0.000
H6 -0.648 -1.387 -0.000
H7 -0.561 1.741 -0.000
H8 1.822 1.579 0.000
H9 -2.849 0.794 -0.000
H10 -3.087 -1.055 -0.000
H11 2.724 -0.652 -0.889
H12 1.441 -1.527 -0.001
H13 2.723 -0.653 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.45982.51561.35153.13311.09622.16923.47802.13602.14083.89552.75363.8947
C21.45981.35592.47662.56492.19331.09812.10682.73923.47573.28042.74633.2800
C32.51561.35593.74041.51002.77642.10951.09754.09404.65162.16192.18272.1619
C41.35152.47663.74044.48372.11332.67724.58321.09561.09315.21934.06145.2184
C53.13312.56491.51004.48372.81903.53102.21165.11315.16981.10731.10131.1073
H61.09622.19332.77642.11332.81903.12903.85943.09872.46133.56332.09313.5624
H72.16921.09812.10952.67723.53103.12902.38882.47603.76804.16063.83224.1603
H83.47802.10681.09754.58322.21163.85942.38884.73665.57092.56563.12892.5661
H92.13602.73924.09401.09565.11313.09872.47604.73661.86485.82584.87735.8250
H102.14083.47574.65161.09315.16982.46133.76805.57091.86485.89184.55175.8908
H113.89553.28042.16195.21931.10733.56334.16062.56565.82585.89181.78901.7794
H122.75362.74632.18274.06141.10132.09313.83223.12894.87734.55171.78901.7890
H133.89473.28002.16195.21841.10733.56244.16032.56615.82505.89081.77941.7890

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.575 C1 C2 H8 153.969
C2 C1 H6 117.503 C2 C1 H7 27.247
C2 C3 C4 17.088 C2 C3 H9 1.861
C3 C2 H8 27.394 C3 C4 C5 18.469
C3 C4 H10 142.096 C4 C3 H9 15.227
C4 C5 H11 126.532 C4 C5 H12 60.777
C4 C5 H13 126.467 C5 C4 H10 123.626
H6 C1 H7 144.750 H11 C5 H12 108.192
H11 C5 H13 106.926 H12 C5 H13 108.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 C -0.196      
3 C -0.176      
4 C -0.396      
5 C -0.655      
6 H 0.196      
7 H 0.192      
8 H 0.196      
9 H 0.193      
10 H 0.198      
11 H 0.222      
12 H 0.215      
13 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.539 -0.149 0.000 0.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.281 -0.156 0.000
y -0.156 -29.156 0.000
z 0.000 0.000 -35.084
Traceless
 xyz
x 3.839 -0.156 0.000
y -0.156 2.527 0.000
z 0.000 0.000 -6.366
Polar
3z2-r2-12.731
x2-y20.874
xy-0.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.042 0.246 0.000
y 0.246 6.895 0.000
z 0.000 0.000 3.238


<r2> (average value of r2) Å2
<r2> 157.186
(<r2>)1/2 12.537