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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-192.895549
Energy at 298.15K-192.900141
HF Energy-192.895549
Nuclear repulsion energy138.065242
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 M06-2X/3-21G*
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' 3529 3342 71.47      
2 A' 3166 2999 17.12      
3 A' 3156 2989 2.32      
4 A' 3145 2979 0.65      
5 A' 3041 2881 9.59      
6 A' 2270 2150 1.64      
7 A' 1732 1640 4.76      
8 A' 1552 1470 15.68      
9 A' 1468 1391 4.89      
10 A' 1378 1306 1.58      
11 A' 1359 1287 0.09      
12 A' 1157 1096 3.58      
13 A' 1044 989 9.35      
14 A' 939 890 5.39      
15 A' 771 730 44.05      
16 A' 563 533 5.85      
17 A' 404 383 2.53      
18 A' 173 164 2.11      
19 A" 3089 2925 7.65      
20 A" 1552 1470 11.53      
21 A" 1112 1054 0.64      
22 A" 1017 964 55.90      
23 A" 856 811 0.00      
24 A" 795 753 54.00      
25 A" 479 454 1.09      
26 A" 198 187 0.53      
27 A" 168 159 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 20055.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 18996.9 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 M06-2X/3-21G*
ABC
1.27325 0.07493 0.07172

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.335 -0.420 0.000
H2 -2.763 -0.907 0.884
H3 -2.763 -0.907 -0.884
H4 -2.640 0.631 0.000
C5 -0.834 -0.546 0.000
H6 -0.424 -1.553 0.000
C7 0.000 0.499 0.000
H8 -0.396 1.512 0.000
C9 1.425 0.369 0.000
C10 2.628 0.271 0.000
H11 3.686 0.183 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09621.09621.09401.50662.22222.50962.73763.84215.01096.0512
H21.09621.76751.77802.15262.58313.22413.49844.46675.58876.6001
H31.09621.76751.77802.15262.58313.22413.49844.46675.58876.6001
H41.09401.77801.77802.15593.11142.64332.41114.07335.28016.3417
C51.50662.15262.15262.15591.08691.33762.10482.43753.55704.5783
H62.22222.58312.58313.11141.08692.09553.06522.66703.55514.4611
C72.50963.22413.22412.64331.33762.09551.08741.43082.63773.6994
H82.73763.49843.49842.41112.10483.06521.08742.14953.26834.2926
C93.84214.46674.46674.07332.43752.66701.43082.14951.20692.2686
C105.01095.58875.58875.28013.55703.55512.63773.26831.20691.0617
H116.05126.60016.60016.34174.57834.46113.69944.29262.26861.0617

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 117.000 C1 C5 C7 123.749
H2 C1 H3 107.452 H2 C1 H4 108.544
H2 C1 C5 110.597 H3 C1 H4 108.544
H3 C1 C5 110.597 H4 C1 C5 110.999
C5 C7 H8 120.088 C5 C7 C9 123.367
H6 C5 C7 119.251 C7 C9 C10 179.470
H8 C7 C9 116.545 C9 C10 H11 179.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615      
2 H 0.220      
3 H 0.220      
4 H 0.209      
5 C -0.164      
6 H 0.217      
7 C -0.235      
8 H 0.230      
9 C 0.014      
10 C -0.364      
11 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.922 -0.330 0.000 0.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.159 -0.103 0.000
y -0.103 -29.473 0.000
z 0.000 0.000 -33.128
Traceless
 xyz
x 7.142 -0.103 0.000
y -0.103 -0.830 0.000
z 0.000 0.000 -6.312
Polar
3z2-r2-12.624
x2-y25.315
xy-0.103
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.165 1.365 0.000
y 1.365 5.455 0.000
z 0.000 0.000 3.020


<r2> (average value of r2) Å2
<r2> 158.675
(<r2>)1/2 12.597