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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-192.824678
Energy at 298.15K-192.829597
HF Energy-192.824678
Nuclear repulsion energy142.104775
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/Def2TZVPP
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' 3618 3279 78.89      
2 A' 3327 3016 17.27      
3 A' 3297 2988 11.70      
4 A' 3262 2957 7.10      
5 A' 3160 2864 29.44      
6 A' 2372 2150 9.38      
7 A' 1836 1664 9.10      
8 A' 1600 1450 8.99      
9 A' 1555 1409 1.81      
10 A' 1516 1375 7.22      
11 A' 1363 1235 0.77      
12 A' 1209 1096 0.15      
13 A' 1020 925 16.52      
14 A' 942 854 0.96      
15 A' 819 743 46.96      
16 A' 705 639 3.79      
17 A' 414 375 10.48      
18 A' 177 160 0.55      
19 A" 3201 2901 25.46      
20 A" 1602 1452 6.39      
21 A" 1179 1068 2.03      
22 A" 1098 995 2.35      
23 A" 831 754 42.51      
24 A" 786 712 35.01      
25 A" 557 505 19.69      
26 A" 308 279 4.62      
27 A" 151 137 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 20952.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 18991.4 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/Def2TZVPP
ABC
0.40850 0.11121 0.08882

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.136 -0.912 0.000
C2 2.227 -0.380 0.000
C3 1.208 0.209 0.000
H4 0.122 2.043 0.000
C5 0.000 0.978 0.000
H6 -2.034 1.168 0.000
C7 -1.218 0.469 0.000
H8 -0.704 -1.614 0.000
H9 -2.178 -1.221 0.872
H10 -2.178 -1.221 -0.872
C11 -1.578 -0.982 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.05302.22984.22153.66145.57274.56753.90325.39345.39344.7144
C21.05301.17683.21042.60854.53373.54813.17994.56824.56823.8523
C32.22981.17682.13221.43233.38142.44032.64203.77763.77763.0303
H44.22153.21042.13221.07262.32712.06763.74964.08704.08703.4701
C53.66142.60851.43231.07262.04311.32022.68583.21513.21512.5161
H65.57274.53373.38142.32712.04311.07473.08362.54682.54682.1974
C74.56753.54812.44032.06761.32021.07472.14532.12972.12971.4944
H83.90323.17992.64203.74962.68583.08362.14531.75711.75711.0790
H95.39344.56823.77764.08703.21512.54682.12971.75711.74401.0849
H105.39344.56823.77764.08703.21512.54682.12971.75711.74401.0849
C114.71443.85233.03033.47012.51612.19741.49441.07901.08491.0849

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 179.708 C2 C3 C5 177.585
C3 C5 H4 115.950 C3 C5 C7 124.845
H4 C5 C7 119.205 C5 C7 H6 116.731
C5 C7 C11 126.630 H6 C7 C11 116.639
C7 C11 H8 111.934 C7 C11 H9 110.304
C7 C11 H10 110.304 H8 C11 H9 108.584
H8 C11 H10 108.584 H9 C11 H10 106.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.191      
2 C 0.062      
3 C -0.117      
4 H 0.078      
5 C -0.342      
6 H 0.082      
7 C 0.010      
8 H 0.077      
9 H 0.065      
10 H 0.065      
11 C -0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.937 -0.200 0.000 0.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.067 -2.207 0.000
y -2.207 -29.000 0.000
z 0.000 0.000 -33.487
Traceless
 xyz
x 5.176 -2.207 0.000
y -2.207 0.777 0.000
z 0.000 0.000 -5.953
Polar
3z2-r2-11.907
x2-y22.933
xy-2.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.467 -0.389 0.000
y -0.389 7.446 0.000
z 0.000 0.000 5.567


<r2> (average value of r2) Å2
<r2> 132.888
(<r2>)1/2 11.528