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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-192.694829
Energy at 298.15K-192.699648
Nuclear repulsion energy138.037561
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/LANL2DZ
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 3682 3313 79.17      
2 A 3373 3035 43.80      
3 A 3365 3028 2.64      
4 A 3295 2966 31.41      
5 A 3194 2875 52.57      
6 A 2358 2122 12.80      
7 A 1848 1663 5.18      
8 A 1640 1476 17.83      
9 A 1575 1417 3.77      
10 A 1454 1308 2.71      
11 A 1445 1301 0.22      
12 A 1234 1110 1.53      
13 A 1105 994 12.83      
14 A 988 890 4.78      
15 A 843 759 67.46      
16 A 591 532 10.08      
17 A 424 382 4.08      
18 A 191 172 2.69      
19 A 3263 2936 40.27      
20 A 1631 1468 12.16      
21 A 1207 1086 1.40      
22 A 1112 1001 61.69      
23 A 942 848 0.00      
24 A 813 732 83.51      
25 A 511 460 4.97      
26 A 194 175 0.02      
27 A 191 171 5.20      

Unscaled Zero Point Vibrational Energy (zpe) 21234.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 19109.0 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/LANL2DZ
ABC
1.31476 0.07418 0.07113

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.343 -0.433 0.000
H2 -2.764 -0.921 0.874
H3 -2.764 -0.921 -0.874
H4 -2.665 0.601 0.000
C5 -0.842 -0.549 0.000
H6 -0.436 -1.546 0.000
C7 0.000 0.490 0.000
H8 -0.385 1.494 0.000
C9 1.436 0.368 0.000
C10 2.637 0.300 0.000
H11 3.688 0.238 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.08551.08551.08281.50622.20772.51892.74773.86295.03416.0689
H21.08551.74821.75752.14412.56363.22413.50064.47885.60586.6134
H31.08551.74821.75752.14412.56363.22413.50064.47885.60586.6134
H41.08281.75751.75752.15533.09392.66682.44834.10665.31016.3632
C51.50622.14412.14412.15531.07581.33772.09382.45493.58094.5978
H62.20772.56362.56363.09391.07582.08273.04052.67713.58544.4940
C72.51893.22413.22412.66681.33772.08271.07501.44072.64393.6969
H82.74773.50063.50062.44832.09383.04051.07502.14083.24944.2627
C93.86294.47884.47884.10662.45492.67711.44072.14081.20342.2565
C105.03415.60585.60585.31013.58093.58542.64393.24941.20341.0531
H116.06896.61346.61346.36324.59784.49403.69694.26272.25651.0531

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 116.531 C1 C5 C7 124.576
H2 C1 H3 107.264 H2 C1 H4 108.287
H2 C1 C5 110.595 H3 C1 H4 108.287
H3 C1 C5 110.595 H4 C1 C5 111.666
C5 C7 H8 120.021 C5 C7 C9 124.106
H6 C5 C7 118.893 C7 C9 C10 178.338
H8 C7 C9 115.873 C9 C10 H11 179.823
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.588      
2 H 0.191      
3 H 0.191      
4 H 0.182      
5 C -0.071      
6 H 0.201      
7 C -0.251      
8 H 0.210      
9 C 0.079      
10 C -0.405      
11 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.145 -0.396 0.000 1.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.177 0.060 0.000
y 0.060 -30.067 0.000
z 0.000 0.000 -33.934
Traceless
 xyz
x 6.823 0.060 0.000
y 0.060 -0.511 0.000
z 0.000 0.000 -6.312
Polar
3z2-r2-12.623
x2-y24.890
xy0.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.430 1.811 0.000
y 1.811 6.210 0.000
z 0.000 0.000 3.944


<r2> (average value of r2) Å2
<r2> 160.169
(<r2>)1/2 12.656