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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-193.783798
Energy at 298.15K-193.788078
Nuclear repulsion energy140.375945
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 PBEPBEultrafine/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' 3425 3368 62.66      
2 A' 3107 3056 29.70      
3 A' 3087 3036 1.11      
4 A' 3076 3025 2.54      
5 A' 2970 2921 20.77      
6 A' 2150 2115 1.39      
7 A' 1648 1621 6.25      
8 A' 1461 1437 8.66      
9 A' 1403 1380 6.29      
10 A' 1368 1345 6.89      
11 A' 1238 1217 0.16      
12 A' 1101 1083 0.26      
13 A' 965 949 21.63      
14 A' 901 886 3.29      
15 A' 649 639 3.16      
16 A' 575 565 45.92      
17 A' 365 359 4.12      
18 A' 155 152 0.10      
19 A" 3021 2971 15.91      
20 A" 1462 1438 7.45      
21 A" 1030 1013 0.10      
22 A" 941 926 0.41      
23 A" 732 720 21.77      
24 A" 521 513 57.58      
25 A" 475 467 7.28      
26 A" 276 272 0.18      
27 A" 152 150 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 19127.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 18811.5 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 PBEPBEultrafine/6-31G*
ABC
0.39788 0.10960 0.08733

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.185 -0.929 0.000
C2 2.261 -0.381 0.000
C3 1.204 0.236 0.000
H4 0.112 2.083 0.000
C5 0.000 0.991 0.000
H6 -2.094 1.161 0.000
C7 -1.249 0.460 0.000
H8 -0.666 -1.618 0.000
H9 -2.185 -1.268 0.885
H10 -2.185 -1.268 -0.885
C11 -1.578 -1.000 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.07382.29774.30263.71885.67724.64613.91225.45255.45254.7631
C21.07381.22383.26952.64504.62003.60953.17834.61934.61933.8887
C32.29771.22382.14581.42153.42542.46342.63403.81213.81213.0443
H44.30263.26952.14581.09792.39152.11833.78264.15844.15843.5160
C53.71882.64501.42151.09792.10071.35702.69313.26513.26512.5403
H65.67724.62003.42542.39152.10071.09763.12422.58672.58672.2212
C74.64613.60952.46342.11831.35701.09762.15862.15562.15561.4967
H83.91223.17832.63403.78262.69313.12422.15861.79231.79231.1015
H95.45254.61933.81214.15843.26512.58672.15561.79231.77081.1064
H105.45254.61933.81214.15843.26512.58672.15561.79231.77081.1064
C114.76313.88873.04433.51602.54032.22121.49671.10151.10641.1064

picture of 3-Penten-1-yne, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 179.585 C2 C3 C5 178.193
C3 C5 H4 116.205 C3 C5 C7 124.886
H4 C5 C7 118.908 C5 C7 H6 117.317
C5 C7 C11 125.729 H6 C7 C11 116.953
C7 C11 H8 111.458 C7 C11 H9 110.921
C7 C11 H10 110.921 H8 C11 H9 108.528
H8 C11 H10 108.528 H9 C11 H10 106.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.196      
2 C -0.505      
3 C 0.341      
4 H 0.165      
5 C -0.271      
6 H 0.144      
7 C -0.070      
8 H 0.185      
9 H 0.176      
10 H 0.176      
11 C -0.538      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.722 -0.201 0.000 0.749
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.202 -1.933 0.000
y -1.933 -27.984 0.000
z 0.000 0.000 -32.121
Traceless
 xyz
x 4.851 -1.933 0.000
y -1.933 0.677 0.000
z 0.000 0.000 -5.528
Polar
3z2-r2-11.056
x2-y22.782
xy-1.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.546 -0.806 0.000
y -0.806 6.871 0.000
z 0.000 0.000 3.742


<r2> (average value of r2) Å2
<r2> 134.287
(<r2>)1/2 11.588