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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-193.992375
Energy at 298.15K-193.996695
HF Energy-193.992375
Nuclear repulsion energy141.202130
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 B97D3/6-311+G(3df,2p)
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' 3419 3374 65.58      
2 A' 3101 3061 28.22      
3 A' 3081 3040 0.86      
4 A' 3061 3022 4.04      
5 A' 2960 2922 25.72      
6 A' 2133 2106 8.97      
7 A' 1628 1607 6.09      
8 A' 1450 1431 10.86      
9 A' 1397 1379 6.86      
10 A' 1367 1349 5.89      
11 A' 1237 1221 0.16      
12 A' 1097 1083 0.12      
13 A' 957 944 19.58      
14 A' 888 876 4.23      
15 A' 651 643 7.73      
16 A' 627 619 38.89      
17 A' 364 359 6.66      
18 A' 153 151 0.37      
19 A" 3003 2964 17.02      
20 A" 1451 1432 5.74      
21 A" 1032 1019 1.27      
22 A" 955 943 0.71      
23 A" 726 716 21.08      
24 A" 580 573 55.37      
25 A" 487 481 9.26      
26 A" 263 260 2.25      
27 A" 116 114 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 19091.5 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 18843.3 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 B97D3/6-311+G(3df,2p)
ABC
0.40010 0.11114 0.08840

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.157 -0.931 0.000
C2 2.243 -0.384 0.000
C3 1.201 0.236 0.000
H4 0.114 2.072 0.000
C5 0.000 0.989 0.000
H6 -2.080 1.154 0.000
C7 -1.240 0.461 0.000
H8 -0.666 -1.613 0.000
H9 -2.171 -1.258 0.879
H10 -2.171 -1.258 -0.879
C11 -1.568 -0.996 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06552.27794.27603.69535.63704.61233.88395.41025.41024.7257
C21.06551.21243.25092.62994.58823.58383.15784.58454.58453.8594
C32.27791.21242.13431.41763.40692.45122.62753.79123.79123.0304
H44.27603.25092.13431.08922.37792.10483.76704.13324.13323.4990
C53.69532.62991.41761.08922.08641.34792.68603.24583.24582.5296
H65.63704.58823.40692.37792.08641.08923.10732.56902.56902.2103
C74.61233.58382.45122.10481.34791.08922.15162.14322.14321.4932
H83.88393.15782.62753.76702.68603.10732.15161.77851.77851.0925
H95.41024.58453.79124.13323.24582.56902.14321.77851.75821.0978
H105.41024.58453.79124.13323.24582.56902.14321.77851.75821.0978
C114.72573.85943.03043.49902.52962.21031.49321.09251.09781.0978

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 179.433 C2 C3 C5 179.774
C3 C5 H4 116.096 C3 C5 C7 124.592
H4 C5 C7 119.312 C5 C7 H6 117.349
C5 C7 C11 125.768 H6 C7 C11 116.884
C7 C11 H8 111.567 C7 C11 H9 110.677
C7 C11 H10 110.677 H8 C11 H9 108.582
H8 C11 H10 108.582 H9 C11 H10 106.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.197      
2 C -0.201      
3 C 0.544      
4 H 0.112      
5 C -0.567      
6 H 0.103      
7 C -0.209      
8 H 0.138      
9 H 0.123      
10 H 0.123      
11 C -0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.871 -0.226 0.000 0.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.471 -1.881 0.000
y -1.881 -28.972 0.000
z 0.000 0.000 -33.129
Traceless
 xyz
x 4.579 -1.881 0.000
y -1.881 0.829 0.000
z 0.000 0.000 -5.408
Polar
3z2-r2-10.815
x2-y22.500
xy-1.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.177 -0.561 0.000
y -0.561 8.756 0.000
z 0.000 0.000 6.494


<r2> (average value of r2) Å2
<r2> 133.546
(<r2>)1/2 11.556