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

using model chemistry: PBEPBE/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-193.796261
Energy at 298.15K-193.800494
Nuclear repulsion energy137.004638
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-pVDZ
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 3420 3401 82.78      
2 A 3091 3073 18.25      
3 A 3061 3043 5.50      
4 A 3058 3040 12.01      
5 A 2954 2937 26.49      
6 A 2148 2135 4.42      
7 A 1653 1644 5.83      
8 A 1407 1399 13.43      
9 A 1341 1333 0.38      
10 A 1267 1260 0.51      
11 A 1246 1239 4.81      
12 A 1101 1094 0.32      
13 A 1041 1035 12.67      
14 A 885 880 11.15      
15 A 620 616 38.42      
16 A 525 522 1.05      
17 A 377 375 1.62      
18 A 163 162 1.18      
19 A 3012 2994 11.65      
20 A 1395 1387 7.28      
21 A 1006 1000 0.00      
22 A 944 938 30.97      
23 A 777 772 0.48      
24 A 567 564 39.30      
25 A 444 441 0.01      
26 A 202 201 0.28      
27 A 164 163 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 18934.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 18824.8 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-pVDZ
ABC
1.27957 0.07369 0.07060

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.335 -0.473 0.000
H2 -2.770 -0.982 0.888
H3 -2.770 -0.982 -0.888
H4 -2.680 0.580 0.000
C5 -0.843 -0.573 0.000
H6 -0.404 -1.586 0.000
C7 0.000 0.491 0.000
H8 -0.424 1.511 0.000
C9 1.419 0.396 0.000
C10 2.646 0.352 0.000
H11 3.724 0.303 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.11191.11191.10781.49532.22832.52582.75503.85305.04836.1077
H21.11191.77521.79852.16092.59823.26033.53704.49845.64796.6787
H31.11191.77521.79852.16092.59823.26033.53704.49845.64796.6787
H41.10781.79851.79852.16873.14122.68122.44084.10285.33046.4092
C51.49532.16092.16092.16871.10351.35712.12622.46073.60914.6495
H62.22832.59822.59823.14121.10352.11513.09712.69273.61324.5390
C72.52583.26033.26032.68121.35712.11511.10541.42212.64943.7283
H82.75503.53703.53702.44082.12623.09711.10542.15403.28134.3199
C93.85304.49844.49844.10282.46072.69271.42212.15401.22762.3064
C105.04835.64795.64795.33043.60913.61322.64943.28131.22761.0788
H116.10776.67876.67876.40924.64954.53903.72834.31992.30641.0788

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 117.265 C1 C5 C7 124.555
H2 C1 H3 105.926 H2 C1 H4 108.240
H2 C1 C5 111.104 H3 C1 H4 108.240
H3 C1 C5 111.104 H4 C1 C5 111.982
C5 C7 H8 119.064 C5 C7 C9 124.584
H6 C5 C7 118.181 C7 C9 C10 178.262
H8 C7 C9 116.353 C9 C10 H11 179.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.018      
2 H 0.055      
3 H 0.055      
4 H 0.034      
5 C -0.052      
6 H -0.003      
7 C -0.114      
8 H 0.014      
9 C 0.485      
10 C -0.433      
11 H -0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.029 -0.324 0.000 1.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.514 0.213 0.000
y 0.213 -29.624 0.000
z 0.000 0.000 -32.536
Traceless
 xyz
x 6.566 0.213 0.000
y 0.213 -1.099 0.000
z 0.000 0.000 -5.467
Polar
3z2-r2-10.935
x2-y25.110
xy0.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.904 1.783 0.000
y 1.783 6.726 0.000
z 0.000 0.000 4.199


<r2> (average value of r2) Å2
<r2> 161.001
(<r2>)1/2 12.689