return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-193.992855
Energy at 298.15K-193.997105
HF Energy-193.992855
Nuclear repulsion energy137.955090
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 B97D3/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' 3432 3382 75.92      
2 A' 3101 3056 24.47      
3 A' 3072 3028 9.09      
4 A' 3056 3012 16.09      
5 A' 2964 2922 32.55      
6 A' 2148 2117 9.72      
7 A' 1648 1624 5.41      
8 A' 1463 1442 14.13      
9 A' 1388 1368 0.98      
10 A' 1305 1286 1.44      
11 A' 1291 1273 3.37      
12 A' 1108 1092 0.20      
13 A' 1033 1018 12.28      
14 A' 899 886 8.97      
15 A' 630 621 50.41      
16 A' 533 525 1.68      
17 A' 384 379 2.10      
18 A' 164 162 1.54      
19 A" 3009 2966 18.87      
20 A" 1451 1430 7.98      
21 A" 1039 1024 0.23      
22 A" 954 940 40.43      
23 A" 786 775 0.54      
24 A" 561 553 52.38      
25 A" 438 432 0.09      
26 A" 191 188 0.08      
27 A" 159 157 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 19102.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 18827.2 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 B97D3/TZVP
ABC
1.30067 0.07456 0.07146

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.325 -0.471 0.000
H2 -2.752 -0.971 0.880
H3 -2.752 -0.971 -0.880
H4 -2.661 0.572 0.000
C5 -0.834 -0.570 0.000
H6 -0.403 -1.572 0.000
C7 0.000 0.487 0.000
H8 -0.418 1.497 0.000
C9 1.414 0.394 0.000
C10 2.627 0.350 0.000
H11 3.692 0.301 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09901.09901.09511.49472.21512.51482.74013.83825.02006.0664
H21.09901.76031.77882.14852.57933.23693.50944.47215.60906.6273
H31.09901.76031.77882.14852.57933.23693.50944.47215.60906.6273
H41.09511.77881.77882.15483.11352.66262.42674.07955.29326.3591
C51.49472.14852.14852.15481.09051.34672.10822.44623.58144.6089
H62.21512.57932.57933.11351.09052.09863.06872.67763.58884.5032
C72.51483.23693.23692.66261.34672.09861.09231.41742.63083.6967
H82.74013.50943.50942.42672.10823.06871.09232.13833.25374.2803
C93.83824.47214.47214.07952.44622.67761.41742.13831.21372.2796
C105.02005.60905.60905.29323.58143.58882.63083.25371.21371.0659
H116.06646.62736.62736.35914.60894.50323.69674.28032.27961.0659

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 117.072 C1 C5 C7 124.436
H2 C1 H3 106.418 H2 C1 H4 108.330
H2 C1 C5 110.938 H3 C1 H4 108.330
H3 C1 C5 110.938 H4 C1 C5 111.690
C5 C7 H8 119.257 C5 C7 C9 124.477
H6 C5 C7 118.492 C7 C9 C10 178.288
H8 C7 C9 116.265 C9 C10 H11 179.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 H 0.125      
3 H 0.125      
4 H 0.122      
5 C -0.059      
6 H 0.123      
7 C -0.293      
8 H 0.125      
9 C 0.056      
10 C -0.112      
11 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.090 -0.329 0.000 1.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.200 0.065 0.000
y 0.065 -29.880 0.000
z 0.000 0.000 -33.001
Traceless
 xyz
x 6.241 0.065 0.000
y 0.065 -0.779 0.000
z 0.000 0.000 -5.462
Polar
3z2-r2-10.923
x2-y24.680
xy0.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.195 1.859 0.000
y 1.859 7.265 0.000
z 0.000 0.000 5.322


<r2> (average value of r2) Å2
<r2> 159.504
(<r2>)1/2 12.629