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

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-192.796523
Energy at 298.15K-192.801441
Nuclear repulsion energy141.875054
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' 3623 3291 76.23      
2 A' 3330 3026 21.29      
3 A' 3299 2997 14.29      
4 A' 3266 2967 7.99      
5 A' 3162 2872 31.11      
6 A' 2375 2158 4.79      
7 A' 1843 1675 8.96      
8 A' 1600 1454 9.13      
9 A' 1553 1411 1.53      
10 A' 1511 1373 7.18      
11 A' 1361 1236 0.50      
12 A' 1209 1098 0.13      
13 A' 1022 928 16.78      
14 A' 944 857 1.07      
15 A' 825 749 44.49      
16 A' 705 640 3.02      
17 A' 413 375 9.83      
18 A' 177 161 0.53      
19 A" 3206 2913 31.90      
20 A" 1603 1456 7.53      
21 A" 1175 1068 1.79      
22 A" 1096 996 2.19      
23 A" 829 753 42.11      
24 A" 791 719 32.60      
25 A" 554 503 18.35      
26 A" 304 277 4.03      
27 A" 148 134 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 20961.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 19043.2 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
0.40614 0.11104 0.08861

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)
H1 3.144 -0.929 0.000
C2 2.236 -0.390 0.000
C3 1.215 0.213 0.000
H4 0.129 2.051 0.000
C5 0.000 0.983 0.000
H6 -2.045 1.167 0.000
C7 -1.221 0.471 0.000
H8 -0.711 -1.618 0.000
H9 -2.188 -1.217 0.875
H10 -2.188 -1.217 -0.875
C11 -1.587 -0.982 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.05512.24134.23893.67945.59594.58413.91625.41045.41044.7309
C21.05511.18613.22512.62434.55573.56343.19314.58494.58493.8687
C32.24131.18612.13491.43853.39672.45012.65763.79343.79343.0462
H44.23893.22512.13491.07572.34652.07813.76374.10034.10033.4847
C53.67942.62431.43851.07572.05321.32432.69633.22383.22382.5259
H65.59594.55573.39672.34652.05321.07823.08762.54382.54382.1975
C74.58413.56342.45012.07811.32431.07822.15022.13312.13311.4986
H83.91623.19312.65763.76372.69633.08762.15021.76211.76211.0818
H95.41044.58493.79344.10033.22382.54382.13311.76211.74991.0871
H105.41044.58493.79344.10033.22382.54382.13311.76211.74991.0871
C114.73093.86873.04623.48472.52592.19751.49861.08181.08711.0871

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 179.887 C2 C3 C5 178.209
C3 C5 H4 115.486 C3 C5 C7 124.899
H4 C5 C7 119.615 C5 C7 H6 117.064
C5 C7 C11 126.854 H6 C7 C11 116.082
C7 C11 H8 111.863 C7 C11 H9 110.153
C7 C11 H10 110.153 H8 C11 H9 108.675
H8 C11 H10 108.675 H9 C11 H10 107.189
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 H 0.116      
2 C -0.153      
3 C 0.008      
4 H 0.122      
5 C -0.188      
6 H 0.106      
7 C -0.125      
8 H 0.118      
9 H 0.104      
10 H 0.104      
11 C -0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.893 -0.175 0.000 0.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.828 -2.263 0.000
y -2.263 -28.821 0.000
z 0.000 0.000 -33.384
Traceless
 xyz
x 5.274 -2.263 0.000
y -2.263 0.785 0.000
z 0.000 0.000 -6.060
Polar
3z2-r2-12.119
x2-y22.993
xy-2.263
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.956 -0.495 0.000
y -0.495 6.745 0.000
z 0.000 0.000 4.344


<r2> (average value of r2) Å2
<r2> 133.059
(<r2>)1/2 11.535