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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-192.694824
Energy at 298.15K-192.699756
Nuclear repulsion energy140.918174
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/LANL2DZ
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' 3681 3313 73.42      
2 A' 3388 3049 43.59      
3 A' 3357 3021 13.33      
4 A' 3319 2987 13.65      
5 A' 3197 2877 43.38      
6 A' 2357 2121 9.32      
7 A' 1837 1653 7.21      
8 A' 1636 1472 14.31      
9 A' 1579 1421 5.81      
10 A' 1543 1388 5.39      
11 A' 1393 1254 0.55      
12 A' 1231 1108 0.29      
13 A' 1045 941 21.02      
14 A' 949 854 0.85      
15 A' 843 759 65.25      
16 A' 719 647 4.48      
17 A' 417 375 13.13      
18 A' 176 159 1.18      
19 A" 3261 2935 41.32      
20 A" 1638 1474 13.00      
21 A" 1207 1086 0.45      
22 A" 1125 1012 2.54      
23 A" 860 774 67.31      
24 A" 815 734 49.20      
25 A" 568 511 28.36      
26 A" 313 282 5.63      
27 A" 136 122 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 21294.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 19162.8 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/LANL2DZ
ABC
0.40472 0.10869 0.08704

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.177 -0.908 0.000
C2 2.265 -0.381 0.000
C3 1.222 0.220 0.000
H4 0.122 2.051 0.000
C5 0.000 0.984 0.000
H6 -2.060 1.160 0.000
C7 -1.236 0.468 0.000
H8 -0.729 -1.628 0.000
H9 -2.201 -1.231 0.874
H10 -2.201 -1.231 -0.874
C11 -1.603 -0.993 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.05332.25694.25283.69745.63024.62223.97155.45785.45784.7802
C21.05331.20363.24112.64434.59113.60233.24354.62944.62943.9158
C32.25691.20362.13551.44113.41412.47072.68823.81983.81983.0747
H44.25283.24112.13551.07392.35662.08553.77614.11454.11453.4980
C53.69742.64431.44111.07392.06741.33922.71183.24243.24242.5445
H65.63024.59113.41412.35662.06741.07613.08952.54962.54962.2006
C74.62223.60232.47072.08551.33921.07612.15652.14042.14041.5058
H83.97153.24352.68823.77612.71183.08952.15651.75751.75751.0805
H95.45784.62943.81984.11453.24242.54962.14041.75751.74841.0858
H105.45784.62943.81984.11453.24242.54962.14041.75751.74841.0858
C114.78023.91583.07473.49802.54452.20061.50581.08051.08581.0858

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 179.932 C2 C3 C5 178.006
C3 C5 H4 115.452 C3 C5 C7 125.369
H4 C5 C7 119.179 C5 C7 H6 117.312
C5 C7 C11 126.758 H6 C7 C11 115.931
C7 C11 H8 111.935 C7 C11 H9 110.310
C7 C11 H10 110.310 H8 C11 H9 108.447
H8 C11 H10 108.447 H9 C11 H10 107.248
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.261      
2 C -0.387      
3 C 0.059      
4 H 0.216      
5 C -0.242      
6 H 0.189      
7 C -0.070      
8 H 0.208      
9 H 0.187      
10 H 0.187      
11 C -0.608      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.982 -0.211 0.000 1.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.992 -2.209 0.000
y -2.209 -29.111 0.000
z 0.000 0.000 -33.972
Traceless
 xyz
x 5.550 -2.209 0.000
y -2.209 0.871 0.000
z 0.000 0.000 -6.421
Polar
3z2-r2-12.841
x2-y23.119
xy-2.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.955 -0.587 0.000
y -0.587 6.202 0.000
z 0.000 0.000 3.925


<r2> (average value of r2) Å2
<r2> 135.217
(<r2>)1/2 11.628