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

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-193.856191
Energy at 298.15K-193.860446
Nuclear repulsion energy137.849140
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/cc-pVTZ
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 3401 3378 78.21      
2 A 3081 3059 18.15      
3 A 3051 3030 6.40      
4 A 3041 3020 12.38      
5 A 2951 2931 23.85      
6 A 2136 2121 7.82      
7 A 1642 1631 6.13      
8 A 1435 1425 14.76      
9 A 1358 1349 1.58      
10 A 1283 1274 1.00      
11 A 1267 1258 3.80      
12 A 1101 1093 0.01      
13 A 1035 1028 12.44      
14 A 887 881 10.41      
15 A 625 621 44.35      
16 A 530 526 2.04      
17 A 380 377 1.98      
18 A 165 164 1.40      
19 A 2996 2975 12.66      
20 A 1422 1412 7.50      
21 A 1020 1013 0.10      
22 A 946 940 37.83      
23 A 784 778 0.51      
24 A 570 566 48.36      
25 A 438 435 0.07      
26 A 199 197 0.11      
27 A 162 161 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 18951.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 18820.9 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/cc-pVTZ
ABC
1.30375 0.07444 0.07135

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.324 -0.474 0.000
H2 -2.755 -0.978 0.881
H3 -2.755 -0.978 -0.881
H4 -2.663 0.570 0.000
C5 -0.835 -0.574 0.000
H6 -0.402 -1.578 0.000
C7 0.000 0.484 0.000
H8 -0.422 1.496 0.000
C9 1.414 0.395 0.000
C10 2.629 0.360 0.000
H11 3.697 0.318 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.10201.10201.09811.49202.21632.51402.73843.83805.02276.0734
H21.10201.76151.78332.14992.58263.24043.51194.47645.61666.6394
H31.10201.76151.78332.14992.58263.24043.51194.47645.61666.6394
H41.09811.78331.78332.15613.11872.66442.42454.08085.29596.3654
C51.49202.14992.14992.15611.09391.34802.11022.44933.58794.6196
H62.21632.58262.58263.11871.09392.10113.07382.68203.59784.5168
C72.51403.24043.24042.66441.34802.10111.09591.41682.63173.7011
H82.73843.51193.51192.42452.11023.07381.09592.14043.25524.2844
C93.83804.47644.47644.08082.44932.68201.41682.14041.21532.2846
C105.02275.61665.61665.29593.58793.59782.63173.25521.21531.0694
H116.07346.63946.63946.36544.61964.51683.70114.28442.28461.0694

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 117.151 C1 C5 C7 124.480
H2 C1 H3 106.114 H2 C1 H4 108.300
H2 C1 C5 111.055 H3 C1 H4 108.300
H3 C1 C5 111.055 H4 C1 C5 111.794
C5 C7 H8 119.052 C5 C7 C9 124.707
H6 C5 C7 118.368 C7 C9 C10 178.059
H8 C7 C9 116.242 C9 C10 H11 179.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 H 0.105      
3 H 0.105      
4 H 0.095      
5 C -0.086      
6 H 0.103      
7 C -0.105      
8 H 0.106      
9 C 0.092      
10 C -0.277      
11 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.072 -0.321 0.000 1.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.065 0.147 0.000
y 0.147 -29.927 0.000
z 0.000 0.000 -32.924
Traceless
 xyz
x 6.361 0.147 0.000
y 0.147 -0.933 0.000
z 0.000 0.000 -5.427
Polar
3z2-r2-10.855
x2-y24.862
xy0.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.365 1.812 0.000
y 1.812 7.456 0.000
z 0.000 0.000 5.347


<r2> (average value of r2) Å2
<r2> 159.702
(<r2>)1/2 12.637