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All results from a given calculation for C5H6 (3-Penten-1-yne, (E)-)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-192.796732
Energy at 298.15K-192.801537
Nuclear repulsion energy138.946033
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/6-311G**
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 3624 3292 81.80      
2 A 3312 3009 23.13      
3 A 3305 3003 5.78      
4 A 3240 2944 23.39      
5 A 3159 2870 36.44      
6 A 2378 2161 8.50      
7 A 1855 1685 8.69      
8 A 1605 1458 11.94      
9 A 1536 1396 2.29      
10 A 1436 1304 3.14      
11 A 1418 1288 1.49      
12 A 1211 1100 0.35      
13 A 1088 988 9.13      
14 A 971 882 4.37      
15 A 826 750 43.88      
16 A 585 531 6.93      
17 A 420 381 3.24      
18 A 188 171 1.79      
19 A 3208 2914 31.36      
20 A 1596 1450 7.74      
21 A 1175 1068 3.55      
22 A 1088 989 46.33      
23 A 903 821 0.05      
24 A 787 715 50.65      
25 A 500 454 3.09      
26 A 209 190 0.04      
27 A 185 168 3.38      

Unscaled Zero Point Vibrational Energy (zpe) 20903.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 18990.9 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/6-311G**
ABC
1.31041 0.07547 0.07230

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.329 -0.413 0.000
H2 -2.749 -0.903 0.875
H3 -2.749 -0.903 -0.875
H4 -2.648 0.623 0.000
C5 -0.835 -0.531 0.000
H6 -0.428 -1.529 0.000
C7 0.000 0.495 0.000
H8 -0.375 1.505 0.000
C9 1.431 0.354 0.000
C10 2.613 0.265 0.000
H11 3.665 0.182 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.08701.08701.08411.49902.20472.50002.73843.83744.98896.0236
H21.08701.74961.76152.13772.55913.20613.49304.45205.55796.5642
H31.08701.74961.76152.13772.55913.20613.49304.45205.55796.5642
H41.08411.76151.76152.14903.09202.65082.43804.08745.27336.3282
C51.49902.13772.13772.14901.07821.32272.08712.43233.53894.5559
H62.20472.55912.55913.09201.07822.06913.03462.64603.53104.4359
C72.50003.20613.20612.65081.32272.06911.07701.43782.62363.6785
H82.73843.49303.49302.43802.08713.03461.07702.14113.23524.2511
C93.83744.45204.45204.08742.43232.64601.43782.14111.18602.2410
C104.98895.55795.55795.27333.53893.53102.62363.23521.18601.0550
H116.02366.56426.56426.32824.55594.43593.67854.25112.24101.0550

picture of 3-Penten-1-yne, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 116.682 C1 C5 C7 124.631
H2 C1 H3 107.187 H2 C1 H4 108.456
H2 C1 C5 110.507 H3 C1 H4 108.456
H3 C1 C5 110.507 H4 C1 C5 111.590
C5 C7 H8 120.508 C5 C7 C9 123.505
H6 C5 C7 118.687 C7 C9 C10 178.683
H8 C7 C9 115.986 C9 C10 H11 179.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 H 0.106      
3 H 0.106      
4 H 0.096      
5 C -0.106      
6 H 0.110      
7 C -0.216      
8 H 0.119      
9 C 0.022      
10 C -0.144      
11 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.080 -0.351 0.000 1.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.984 -0.098 0.000
y -0.098 -29.806 0.000
z 0.000 0.000 -33.350
Traceless
 xyz
x 6.594 -0.098 0.000
y -0.098 -0.639 0.000
z 0.000 0.000 -5.955
Polar
3z2-r2-11.910
x2-y24.823
xy-0.098
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.750 1.580 0.000
y 1.580 6.481 0.000
z 0.000 0.000 4.351


<r2> (average value of r2) Å2
<r2> 157.775
(<r2>)1/2 12.561