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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-192.824920
Energy at 298.15K-192.829732
HF Energy-192.824920
Nuclear repulsion energy139.183982
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3619 3280 85.26      
2 A' 3311 3001 19.23      
3 A' 3303 2994 4.87      
4 A' 3237 2934 21.45      
5 A' 3158 2862 34.79      
6 A' 2374 2152 15.01      
7 A' 1848 1675 8.62      
8 A' 1605 1454 11.78      
9 A' 1538 1394 2.35      
10 A' 1439 1304 3.64      
11 A' 1422 1289 1.94      
12 A' 1212 1098 0.36      
13 A' 1085 983 8.81      
14 A' 970 880 4.40      
15 A' 821 744 47.38      
16 A' 585 530 8.02      
17 A' 422 383 3.44      
18 A' 189 172 1.95      
19 A" 3202 2902 25.12      
20 A" 1596 1446 6.82      
21 A" 1179 1068 3.84      
22 A" 1088 986 44.45      
23 A" 908 823 0.09      
24 A" 783 710 54.94      
25 A" 503 456 4.40      
26 A" 216 196 0.05      
27 A" 185 168 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 20898.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 18942.6 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 HF/Def2TZVPP
ABC
1.31914 0.07568 0.07252

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.318 -0.422 0.000
H2 -2.741 -0.909 0.872
H3 -2.741 -0.909 -0.872
H4 -2.635 0.612 0.000
C5 -0.829 -0.542 0.000
H6 -0.416 -1.535 0.000
C7 0.000 0.482 0.000
H8 -0.386 1.485 0.000
C9 1.425 0.346 0.000
C10 2.600 0.287 0.000
H11 3.651 0.346 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.08471.08471.08161.49402.20362.48792.71373.82034.96866.0183
H21.08471.74391.75692.13332.56053.19503.46874.43685.54206.5721
H31.08471.74391.75692.13332.56053.19503.46874.43685.54206.5721
H41.08161.75691.75692.14353.08762.63802.41154.06815.24486.2916
C51.49402.13332.13332.14351.07501.31762.07412.42193.52744.5671
H62.20362.56052.56053.08761.07502.05943.01922.63123.52324.4809
C72.48793.19503.19502.63801.31762.05941.07401.43112.60723.6537
H82.71373.46873.46872.41152.07413.01921.07402.13933.21754.1951
C93.82034.43684.43684.06812.42192.63121.43112.13931.17682.2266
C104.96865.54205.54205.24483.52743.52322.60723.21751.17681.0530
H116.01836.57216.57216.29164.56714.48093.65374.19512.22661.0530

picture of 3-Penten-1-yne, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 117.194 C1 C5 C7 124.357
H2 C1 H3 106.998 H2 C1 H4 108.381
H2 C1 C5 110.636 H3 C1 H4 108.381
H3 C1 C5 110.636 H4 C1 C5 111.654
C5 C7 H8 119.938 C5 C7 C9 123.498
H6 C5 C7 118.448 C7 C9 C10 177.394
H8 C7 C9 116.564 C9 C10 H11 173.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 H 0.068      
3 H 0.068      
4 H 0.062      
5 C 0.015      
6 H 0.071      
7 C -0.325      
8 H 0.067      
9 C -0.136      
10 C 0.067      
11 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.133 -0.357 0.000 1.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.239 -0.096 0.000
y -0.096 -29.965 0.000
z 0.000 0.000 -33.441
Traceless
 xyz
x 6.464 -0.096 0.000
y -0.096 -0.625 0.000
z 0.000 0.000 -5.840
Polar
3z2-r2-11.679
x2-y24.726
xy-0.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.302 1.538 0.000
y 1.538 7.162 0.000
z 0.000 0.000 5.554


<r2> (average value of r2) Å2
<r2> 157.461
(<r2>)1/2 12.548