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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-193.940543
Energy at 298.15K-193.944819
HF Energy-193.940543
Nuclear repulsion energy140.459286
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 B97D3/6-31+G**
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' 3436 3377 66.40      
2 A' 3119 3066 35.65      
3 A' 3100 3047 1.56      
4 A' 3083 3030 4.04      
5 A' 2973 2922 29.40      
6 A' 2140 2104 8.53      
7 A' 1637 1608 6.68      
8 A' 1456 1431 11.38      
9 A' 1401 1377 7.28      
10 A' 1368 1345 6.38      
11 A' 1239 1218 0.07      
12 A' 1098 1079 0.15      
13 A' 960 943 21.18      
14 A' 890 875 4.13      
15 A' 650 639 6.27      
16 A' 596 586 54.81      
17 A' 364 358 5.85      
18 A' 153 151 0.41      
19 A" 3025 2973 18.83      
20 A" 1457 1432 7.84      
21 A" 1032 1014 1.24      
22 A" 946 929 0.61      
23 A" 728 715 25.11      
24 A" 544 535 83.50      
25 A" 490 482 2.90      
26 A" 271 266 1.54      
27 A" 118 116 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19136.8 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 18807.7 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 B97D3/6-31+G**
ABC
0.39745 0.10969 0.08737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.178 -0.932 0.000
C2 2.260 -0.383 0.000
C3 1.205 0.236 0.000
H4 0.114 2.080 0.000
C5 0.000 0.993 0.000
H6 -2.089 1.159 0.000
C7 -1.248 0.461 0.000
H8 -0.673 -1.619 0.000
H9 -2.183 -1.263 0.883
H10 -2.183 -1.263 -0.883
C11 -1.578 -1.000 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06942.29234.29613.71535.66694.63993.91195.44275.44274.7567
C21.06941.22293.26652.64594.61453.60813.18304.61404.61403.8876
C32.29231.22292.14241.42333.42152.46372.64043.80843.80843.0460
H44.29613.26652.14241.09272.38802.11513.78174.15014.15013.5144
C53.71532.64591.42331.09272.09591.35642.69753.26033.26032.5425
H65.66694.61453.42152.38802.09591.09293.11822.57892.57892.2189
C74.63993.60812.46372.11511.35641.09292.15852.15052.15051.4986
H83.91193.18302.64043.78172.69753.11822.15851.78461.78461.0964
H95.44274.61403.80844.15013.26032.57892.15051.78461.76581.1015
H105.44274.61403.80844.15013.26032.57892.15051.78461.76581.1015
C114.75673.88763.04603.51442.54252.21891.49861.09641.10151.1015

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 179.246 C2 C3 C5 179.326
C3 C5 H4 116.041 C3 C5 C7 124.736
H4 C5 C7 119.224 C5 C7 H6 117.273
C5 C7 C11 125.919 H6 C7 C11 116.807
C7 C11 H8 111.579 C7 C11 H9 110.705
C7 C11 H10 110.705 H8 C11 H9 108.538
H8 C11 H10 108.538 H9 C11 H10 106.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.208      
2 C -0.147      
3 C 0.374      
4 H 0.159      
5 C -0.529      
6 H 0.142      
7 C 0.027      
8 H 0.177      
9 H 0.166      
10 H 0.166      
11 C -0.743      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.889 -0.242 0.000 0.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.324 -2.010 0.000
y -2.010 -28.950 0.000
z 0.000 0.000 -33.365
Traceless
 xyz
x 4.834 -2.010 0.000
y -2.010 0.894 0.000
z 0.000 0.000 -5.728
Polar
3z2-r2-11.456
x2-y22.626
xy-2.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.999 -0.802 0.000
y -0.802 8.064 0.000
z 0.000 0.000 5.644


<r2> (average value of r2) Å2
<r2> 134.882
(<r2>)1/2 11.614