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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-193.862006
Energy at 298.15K-193.866342
HF Energy-193.862006
Nuclear repulsion energy140.918116
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 PBEPBE/Def2TZVPP
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' 3404 3363 72.73      
2 A' 3094 3056 20.29      
3 A' 3074 3037 0.33      
4 A' 3056 3019 2.50      
5 A' 2957 2921 17.33      
6 A' 2129 2103 6.54      
7 A' 1628 1608 6.46      
8 A' 1427 1409 11.32      
9 A' 1381 1364 8.07      
10 A' 1344 1328 6.95      
11 A' 1223 1209 0.11      
12 A' 1087 1074 0.03      
13 A' 954 942 20.38      
14 A' 893 883 5.14      
15 A' 646 638 8.62      
16 A' 629 622 38.84      
17 A' 361 356 7.08      
18 A' 151 149 0.32      
19 A" 3003 2967 11.10      
20 A" 1426 1409 6.96      
21 A" 1018 1006 0.79      
22 A" 945 933 0.60      
23 A" 723 714 21.06      
24 A" 583 576 51.71      
25 A" 492 486 12.33      
26 A" 269 265 2.16      
27 A" 135 134 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19015.0 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 18784.9 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 PBEPBE/Def2TZVPP
ABC
0.40230 0.11017 0.08790

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.164 -0.937 0.000
C2 2.248 -0.384 0.000
C3 1.201 0.234 0.000
H4 0.117 2.077 0.000
C5 0.000 0.990 0.000
H6 -2.085 1.158 0.000
C7 -1.242 0.461 0.000
H8 -0.663 -1.612 0.000
H9 -2.175 -1.259 0.882
H10 -2.175 -1.259 -0.882
C11 -1.571 -0.996 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.07012.28594.28633.70505.65164.62293.88685.42105.42104.7354
C21.07011.21573.25592.63494.59883.59093.15944.59354.59353.8669
C32.28591.21572.13841.41943.41332.45392.62413.79523.79523.0324
H44.28633.25592.13841.09292.38572.11153.77094.14194.14193.5054
C53.70502.63491.41941.09292.09151.35042.68583.25053.25052.5320
H65.65164.59883.41332.38572.09151.09343.11342.57392.57392.2138
C74.62293.59092.45392.11151.35041.09342.15242.14582.14581.4930
H83.88683.15942.62413.77092.68583.11342.15241.78541.78541.0970
H95.42104.59353.79524.14193.25052.57392.14581.78541.76461.1011
H105.42104.59353.79524.14193.25052.57392.14581.78541.76461.1011
C114.73543.86693.03243.50542.53202.21381.49301.09701.10111.1011

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 179.525 C2 C3 C5 178.398
C3 C5 H4 116.070 C3 C5 C7 124.722
H4 C5 C7 119.208 C5 C7 H6 117.321
C5 C7 C11 125.791 H6 C7 C11 116.888
C7 C11 H8 111.498 C7 C11 H9 110.711
C7 C11 H10 110.711 H8 C11 H9 108.630
H8 C11 H10 108.630 H9 C11 H10 106.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.210      
2 C -0.001      
3 C -0.180      
4 H 0.101      
5 C -0.225      
6 H 0.100      
7 C -0.056      
8 H 0.088      
9 H 0.089      
10 H 0.089      
11 C -0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.859 -0.218 0.000 0.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.290 -1.899 0.000
y -1.899 -28.944 0.000
z 0.000 0.000 -33.109
Traceless
 xyz
x 4.737 -1.899 0.000
y -1.899 0.755 0.000
z 0.000 0.000 -5.491
Polar
3z2-r2-10.983
x2-y22.654
xy-1.899
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.935 -0.607 0.000
y -0.607 8.295 0.000
z 0.000 0.000 5.796


<r2> (average value of r2) Å2
<r2> 134.171
(<r2>)1/2 11.583