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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-193.966502
Energy at 298.15K-193.974349
Nuclear repulsion energy155.523214
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 HF/cc-pVDZ
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 3384 3073 17.69      
2 A 3307 3003 3.80      
3 A 3290 2987 5.18      
4 A 3177 2885 29.90      
5 A 1863 1692 0.80      
6 A 1580 1434 5.35      
7 A 1547 1405 0.02      
8 A 1413 1283 0.07      
9 A 1356 1231 0.00      
10 A 1169 1062 5.91      
11 A 1117 1014 6.01      
12 A 1057 959 46.74      
13 A 979 889 3.00      
14 A 730 663 9.46      
15 A 399 362 0.50      
16 A 320 290 0.12      
17 A 97 88 0.00      
18 A 3384 3073 22.41      
19 A 3306 3002 10.51      
20 A 3290 2988 31.59      
21 A 3220 2923 18.60      
22 A 1854 1684 21.39      
23 A 1559 1416 8.16      
24 A 1434 1302 3.76      
25 A 1400 1272 8.37      
26 A 1258 1142 3.26      
27 A 1127 1023 12.04      
28 A 1056 958 44.20      
29 A 1035 939 1.01      
30 A 964 875 6.18      
31 A 666 604 10.32      
32 A 483 438 3.16      
33 A 110 100 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 26463.5 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 24028.8 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 HF/cc-pVDZ
ABC
0.67258 0.07833 0.07773

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.662
C2 0.000 1.252 -0.179
C3 0.000 -1.252 -0.179
C4 0.950 2.172 -0.175
C5 -0.950 -2.172 -0.175
H6 -0.880 -0.003 1.311
H7 0.880 0.003 1.311
H8 -0.857 1.378 -0.835
H9 0.857 -1.378 -0.835
H10 0.890 3.049 -0.806
H11 -0.890 -3.049 -0.806
H12 1.825 2.086 0.462
H13 -1.825 -2.086 0.462

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50841.50842.51392.51391.09351.09352.20802.20803.49963.49962.77862.7786
C21.50842.50471.32233.55352.13792.13401.08672.84332.10124.43742.10583.8578
C31.50842.50473.55351.32232.13402.13792.84331.08674.43742.10123.85782.1058
C42.51391.32233.55354.74113.20772.62942.08133.61201.08315.57191.08475.1218
C52.51393.55351.32234.74112.62943.20773.61202.08135.57191.08315.12181.0847
H61.09352.13792.13403.20772.62941.76032.55263.08444.11523.70973.52182.4394
H71.09352.13402.13792.62943.20771.76033.08442.55263.70974.11522.43943.5218
H82.20801.08672.84332.08133.61202.55263.08443.24542.41754.42783.06153.8233
H92.20802.84331.08673.61202.08133.08442.55263.24544.42782.41753.82333.0615
H103.49962.10124.43741.08315.57194.11523.70972.41754.42786.35321.84675.9453
H113.49964.43742.10125.57191.08313.70974.11524.42782.41756.35325.94531.8467
H122.77862.10583.85781.08475.12183.52182.43943.06153.82331.84675.94535.5427
H132.77863.85782.10585.12181.08472.43943.52183.82333.06155.94531.84675.5427

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.139 C1 C2 H8 115.654
C1 C3 C5 125.139 C1 C3 H9 115.654
C2 C1 C3 112.248 C2 C1 H6 109.471
C2 C1 H7 109.161 C2 C4 H10 121.431
C2 C4 H12 121.739 C3 C1 H6 109.161
C3 C1 H7 109.471 C3 C5 H11 121.431
C3 C5 H13 121.739 C4 C2 H8 119.206
C5 C3 H9 119.206 H6 C1 H7 107.197
H10 C4 H12 116.830 H11 C5 H13 116.830
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055 -0.422    
2 C -0.147 -0.422    
3 C -0.147 -0.098    
4 C -0.023 -0.098    
5 C -0.023 0.268    
6 H 0.036 0.159    
7 H 0.036 0.159    
8 H 0.027 -0.031    
9 H 0.027 -0.031    
10 H 0.045 0.090    
11 H 0.045 0.090    
12 H 0.035 0.168    
13 H 0.035 0.168    


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 0.096 0.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.947 0.985 0.000
y 0.985 -32.332 0.000
z 0.000 0.000 -32.879
Traceless
 xyz
x 1.658 0.985 0.000
y 0.985 -0.419 0.000
z 0.000 0.000 -1.239
Polar
3z2-r2-2.479
x2-y21.385
xy0.985
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.317 3.249 0.000
y 3.249 10.184 0.000
z 0.000 0.000 5.625


<r2> (average value of r2) Å2
<r2> 158.594
(<r2>)1/2 12.593