return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-195.255882
Energy at 298.15K-195.263222
HF Energy-195.255882
Nuclear repulsion energy153.329292
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 B97D3/cc-pVTZ
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 3129 18.13      
2 A' 3085 3042 5.59      
3 A' 3079 3036 70.59      
4 A' 3072 3029 4.17      
5 A' 3064 3021 0.93      
6 A' 3046 3003 9.92      
7 A' 2957 2916 43.04      
8 A' 1669 1645 18.01      
9 A' 1624 1602 7.22      
10 A' 1461 1441 9.08      
11 A' 1426 1406 4.96      
12 A' 1381 1362 2.22      
13 A' 1311 1293 3.71      
14 A' 1294 1276 1.09      
15 A' 1276 1258 2.04      
16 A' 1190 1173 1.10      
17 A' 1080 1065 0.01      
18 A' 974 960 10.58      
19 A' 893 880 8.12      
20 A' 478 471 0.01      
21 A' 449 443 0.43      
22 A' 193 191 1.80      
23 A" 2999 2957 23.04      
24 A" 1446 1426 5.80      
25 A" 1036 1022 0.15      
26 A" 1020 1006 40.12      
27 A" 954 940 8.36      
28 A" 887 875 33.26      
29 A" 824 812 6.88      
30 A" 632 624 1.92      
31 A" 254 251 1.69      
32 A" 201 198 0.19      
33 A" 132 130 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 24279.7 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 23939.8 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 B97D3/cc-pVTZ
ABC
0.95721 0.07183 0.06765

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.408 0.813 0.000
C2 -1.410 -0.086 0.000
C3 0.000 0.249 0.000
C4 0.995 -0.656 0.000
C5 2.454 -0.331 0.000
H6 -2.206 1.881 0.000
H7 -3.450 0.508 0.000
H8 -1.653 -1.150 0.000
H9 0.250 1.311 0.000
H10 0.732 -1.715 0.000
H11 2.626 0.750 0.000
H12 2.956 -0.758 0.879
H13 2.956 -0.758 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34292.47323.70634.99511.08791.08542.10222.70454.03125.03475.65795.6579
C21.34291.44932.47173.87242.12222.12461.09102.17002.69144.12204.50414.5041
C32.47321.44931.34462.52202.74423.45972.16541.09172.09582.67363.24403.2440
C43.70632.47171.34461.49514.08424.59482.69422.10331.09152.15322.15132.1513
C54.99513.87242.52201.49515.15855.96374.18872.74882.20941.09421.09841.0984
H61.08792.12222.74424.08425.15851.85313.08092.52104.64394.96265.86365.8636
H71.08542.12463.45974.59485.96371.85312.44463.78614.73656.08106.58876.5887
H82.10221.09102.16542.69424.18873.08092.44463.11112.45194.68224.70874.7087
H92.70452.17001.09172.10332.74882.52103.78613.11113.06452.44163.51813.5181
H104.03122.69142.09581.09152.20944.64394.73652.45193.06453.10842.57532.5753
H115.03474.12202.67362.15321.09424.96266.08104.68222.44163.10841.77631.7763
H125.65794.50413.24402.15131.09845.86366.58874.70873.51812.57531.77631.7577
H135.65794.50413.24402.15131.09845.86366.58874.70873.51812.57531.77631.7577

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 124.575 C1 C2 H8 119.549
C2 C1 H6 121.561 C2 C1 H7 121.749
C2 C3 C4 124.226 C2 C3 H9 116.175
C3 C2 H8 115.875 C3 C4 C5 125.210
C3 C4 H10 118.723 C4 C3 H9 119.599
C4 C5 H11 111.437 C4 C5 H12 111.027
C4 C5 H13 111.027 C5 C4 H10 116.067
H6 C1 H7 116.690 H11 C5 H12 108.274
H11 C5 H13 108.274 H12 C5 H13 106.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 C -0.044      
3 C -0.076      
4 C -0.097      
5 C -0.241      
6 H 0.093      
7 H 0.099      
8 H 0.093      
9 H 0.085      
10 H 0.089      
11 H 0.084      
12 H 0.089      
13 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.657 -0.225 0.000 0.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.869 -0.120 0.000
y -0.120 -29.743 0.000
z 0.000 0.000 -34.783
Traceless
 xyz
x 2.394 -0.120 0.000
y -0.120 2.583 0.000
z 0.000 0.000 -4.977
Polar
3z2-r2-9.954
x2-y2-0.126
xy-0.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.569 -2.870 0.000
y -2.870 9.305 0.000
z 0.000 0.000 5.608


<r2> (average value of r2) Å2
<r2> 173.584
(<r2>)1/2 13.175