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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-194.031855
Energy at 298.15K-194.036414
HF Energy-194.031855
Nuclear repulsion energy141.637729
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 wB97X-D/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' 3484 3332 71.39      
2 A' 3195 3056 19.76      
3 A' 3174 3036 4.46      
4 A' 3140 3004 5.44      
5 A' 3039 2907 20.06      
6 A' 2236 2139 3.29      
7 A' 1725 1650 7.00      
8 A' 1484 1420 11.19      
9 A' 1437 1375 6.02      
10 A' 1399 1338 6.71      
11 A' 1273 1217 0.11      
12 A' 1130 1081 0.11      
13 A' 977 934 19.92      
14 A' 914 874 2.23      
15 A' 707 676 43.23      
16 A' 666 637 2.98      
17 A' 388 371 8.01      
18 A' 164 157 0.54      
19 A" 3098 2963 17.52      
20 A" 1490 1425 9.23      
21 A" 1073 1026 0.89      
22 A" 999 955 0.42      
23 A" 755 722 29.41      
24 A" 672 643 45.19      
25 A" 510 488 16.42      
26 A" 277 265 2.78      
27 A" 123 118 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 19763.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 18903.6 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 wB97X-D/6-311G**
ABC
0.39875 0.11238 0.08911

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.093 -1.006 0.000
C2 2.206 -0.420 0.000
C3 1.202 0.237 0.000
H4 0.118 2.081 0.000
C5 0.000 1.002 0.000
H6 -2.066 1.163 0.000
C7 -1.227 0.473 0.000
H8 -0.645 -1.595 0.000
H9 -2.147 -1.245 0.880
H10 -2.147 -1.245 -0.880
C11 -1.549 -0.985 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06342.26304.28753.68805.59724.56663.78475.31885.31884.6427
C21.06341.19963.25802.62474.55633.54733.08404.51674.51673.7975
C32.26301.19962.13931.42513.39732.44072.60183.76623.76623.0104
H44.28753.25802.13931.08522.36902.09593.75454.11844.11843.4894
C53.68802.62471.42511.08522.07261.33612.67633.22963.22962.5193
H65.59724.55633.39732.36902.07261.08663.10332.56502.56502.2093
C74.56663.54732.44072.09591.33611.08662.14892.13812.13811.4931
H83.78473.08402.60183.75452.67633.10332.14891.77521.77521.0911
H95.31884.51673.76624.11843.22962.56502.13811.77521.75911.0946
H105.31884.51673.76624.11843.22962.56502.13811.77521.75911.0946
C114.64273.79753.01043.48942.51932.20931.49311.09111.09461.0946

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 179.749 C2 C3 C5 179.284
C3 C5 H4 116.245 C3 C5 C7 124.208
H4 C5 C7 119.547 C5 C7 H6 117.258
C5 C7 C11 125.779 H6 C7 C11 116.963
C7 C11 H8 111.575 C7 C11 H9 110.482
C7 C11 H10 110.482 H8 C11 H9 108.615
H8 C11 H10 108.615 H9 C11 H10 106.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.119      
2 C -0.172      
3 C -0.008      
4 H 0.137      
5 C -0.153      
6 H 0.121      
7 C -0.144      
8 H 0.137      
9 H 0.131      
10 H 0.131      
11 C -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.831 -0.187 0.000 0.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.629 -2.150 0.000
y -2.150 -28.330 0.000
z 0.000 0.000 -32.859
Traceless
 xyz
x 4.966 -2.150 0.000
y -2.150 0.914 0.000
z 0.000 0.000 -5.880
Polar
3z2-r2-11.759
x2-y22.701
xy-2.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.328 -0.665 0.000
y -0.665 7.189 0.000
z 0.000 0.000 4.429


<r2> (average value of r2) Å2
<r2> 132.260
(<r2>)1/2 11.500