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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-193.945194
Energy at 298.15K-193.949605
HF Energy-193.680914
Nuclear repulsion energy138.422597
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 B2PLYP/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' 3487 3345 75.24      
2 A' 3175 3046 17.10      
3 A' 3159 3031 5.20      
4 A' 3128 3001 13.21      
5 A' 3042 2918 24.27      
6 A' 2168 2080 3.94      
7 A' 1695 1627 4.07      
8 A' 1502 1441 12.27      
9 A' 1424 1366 1.22      
10 A' 1336 1282 1.57      
11 A' 1321 1268 2.93      
12 A' 1138 1092 0.10      
13 A' 1048 1006 10.67      
14 A' 916 879 6.80      
15 A' 664 637 42.91      
16 A' 542 520 2.94      
17 A' 389 373 2.28      
18 A' 170 163 1.42      
19 A" 3093 2967 14.96      
20 A" 1492 1431 6.85      
21 A" 1075 1031 0.62      
22 A" 994 954 39.51      
23 A" 817 784 0.25      
24 A" 615 590 48.54      
25 A" 447 429 0.33      
26 A" 203 195 0.07      
27 A" 169 162 2.82      

Unscaled Zero Point Vibrational Energy (zpe) 19604.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 18808.9 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 B2PLYP/cc-pVTZ
ABC
1.30700 0.07503 0.07189

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.323 -0.444 0.000
H2 -2.751 -0.935 0.875
H3 -2.751 -0.935 -0.875
H4 -2.644 0.596 0.000
C5 -0.836 -0.559 0.000
H6 -0.417 -1.558 0.000
C7 0.000 0.486 0.000
H8 -0.405 1.491 0.000
C9 1.416 0.373 0.000
C10 2.623 0.316 0.000
H11 3.683 0.306 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09141.09141.08851.49152.20802.50212.72453.82755.00456.0526
H21.09141.75091.76742.13902.56943.21773.48684.45465.58716.6107
H31.09141.75091.76742.13902.56943.21773.48684.45465.58716.6107
H41.08851.76741.76742.14553.09862.64642.41124.06665.27496.3336
C51.49152.13902.13902.14551.08351.33782.09492.43733.56834.6009
H62.20802.56942.56943.09861.08352.08563.04922.66213.57144.5035
C72.50213.21773.21772.64641.33782.08561.08421.42082.62893.6872
H82.72453.48683.48682.41122.09493.04921.08422.13763.24864.2564
C93.82754.45464.45464.06662.43732.66211.42082.13761.20842.2675
C105.00455.58715.58715.27493.56833.57142.62893.24861.20841.0595
H116.05266.61076.61076.33364.60094.50353.68724.25642.26751.0595

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 117.185 C1 C5 C7 124.253
H2 C1 H3 106.667 H2 C1 H4 108.349
H2 C1 C5 110.863 H3 C1 H4 108.349
H3 C1 C5 110.863 H4 C1 C5 111.575
C5 C7 H8 119.381 C5 C7 C9 124.108
H6 C5 C7 118.562 C7 C9 C10 178.110
H8 C7 C9 116.512 C9 C10 H11 177.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 H 0.103      
3 H 0.103      
4 H 0.099      
5 C -0.107      
6 H 0.137      
7 C -0.136      
8 H 0.141      
9 C 0.033      
10 C -0.262      
11 H 0.160      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.059 1.545 0.000
y 1.545 7.145 0.000
z 0.000 0.000 5.208


<r2> (average value of r2) Å2
<r2> 158.648
(<r2>)1/2 12.596