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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-192.813529
Energy at 298.15K-192.818342
HF Energy-192.813529
Nuclear repulsion energy139.117400
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/TZVP
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 3627 3296 90.48      
2 A 3316 3013 20.47      
3 A 3308 3006 4.88      
4 A 3244 2947 22.25      
5 A 3164 2874 34.79      
6 A 2382 2165 13.30      
7 A 1850 1681 8.08      
8 A 1609 1462 12.00      
9 A 1540 1399 2.20      
10 A 1441 1309 3.26      
11 A 1424 1294 1.32      
12 A 1212 1101 0.45      
13 A 1084 985 8.63      
14 A 971 883 4.01      
15 A 825 749 49.93      
16 A 586 532 8.28      
17 A 422 384 3.72      
18 A 190 172 2.13      
19 A 3211 2917 27.08      
20 A 1599 1452 8.02      
21 A 1178 1070 4.54      
22 A 1085 986 47.44      
23 A 906 823 0.15      
24 A 787 715 58.90      
25 A 504 458 4.64      
26 A 208 189 0.08      
27 A 185 168 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 20927.8 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19015.0 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/TZVP
ABC
1.31616 0.07563 0.07247

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.251 -0.515 0.000
H2 -2.656 -1.009 0.878
H3 -2.656 -1.009 -0.878
H4 -2.585 0.518 0.000
C5 -0.781 -0.584 0.000
H6 -0.328 -1.521 0.000
C7 0.000 0.499 0.000
H8 -0.457 1.437 0.000
C9 1.351 0.428 0.000
C10 2.538 0.379 0.000
H11 3.546 0.339 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.08601.08601.08591.47162.17012.46912.65133.72344.87165.8593
H21.08601.75691.76332.11332.53983.17793.40424.34625.44706.4066
H31.08601.75691.76332.11332.53983.17793.40424.34625.44706.4066
H41.08591.76331.76332.11393.04152.58502.31793.93675.12456.1331
C51.47162.11332.11332.11391.04051.33552.04662.36013.45584.4241
H62.17012.53982.53983.04151.04052.04652.96032.57263.43864.2971
C72.46913.17793.17792.58501.33552.04651.04291.35252.54053.5491
H82.65133.40423.40422.31792.04662.96031.04292.06963.17564.1500
C93.72344.34624.34623.93672.36012.57261.35252.06961.18802.1966
C104.87165.44705.44705.12453.45583.43862.54053.17561.18801.0087
H115.85936.40666.40666.13314.42414.29713.54914.15002.19661.0087

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 118.493 C1 C5 C7 123.111
H2 C1 H3 107.977 H2 C1 H4 108.564
H2 C1 C5 110.533 H3 C1 H4 108.564
H3 C1 C5 110.533 H4 C1 C5 110.591
C5 C7 H8 118.227 C5 C7 C9 122.803
H6 C5 C7 118.396 C7 C9 C10 179.376
H8 C7 C9 118.969 C9 C10 H11 179.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 H 0.097      
3 H 0.097      
4 H 0.100      
5 C -0.023      
6 H 0.129      
7 C -0.329      
8 H 0.135      
9 C -0.097      
10 C -0.009      
11 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.112 -0.368 0.000 1.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.236 -0.118 0.000
y -0.118 -29.987 0.000
z 0.000 0.000 -33.531
Traceless
 xyz
x 6.523 -0.118 0.000
y -0.118 -0.604 0.000
z 0.000 0.000 -5.920
Polar
3z2-r2-11.839
x2-y24.751
xy-0.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.998 1.620 0.000
y 1.620 6.855 0.000
z 0.000 0.000 5.099


<r2> (average value of r2) Å2
<r2> 157.587
(<r2>)1/2 12.553