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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-194.050749
Energy at 298.15K-194.055216
HF Energy-194.050749
Nuclear repulsion energy138.746013
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 wB97X-D/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' 3482 3328 80.23      
2 A' 3185 3045 15.90      
3 A' 3172 3032 5.63      
4 A' 3133 2995 13.79      
5 A' 3049 2914 23.97      
6 A' 2240 2141 9.18      
7 A' 1735 1658 7.22      
8 A' 1498 1432 14.00      
9 A' 1423 1361 1.59      
10 A' 1341 1282 1.16      
11 A' 1322 1263 2.61      
12 A' 1137 1087 0.05      
13 A' 1051 1004 11.19      
14 A' 918 878 7.25      
15 A' 708 676 42.39      
16 A' 552 528 5.31      
17 A' 397 380 2.60      
18 A' 172 165 1.64      
19 A" 3108 2971 14.06      
20 A" 1483 1418 7.97      
21 A" 1078 1030 0.24      
22 A" 987 943 42.92      
23 A" 821 785 0.06      
24 A" 639 611 48.35      
25 A" 455 435 2.11      
26 A" 205 196 0.09      
27 A" 165 158 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 19725.7 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 18857.8 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 wB97X-D/cc-pVTZ
ABC
1.30130 0.07550 0.07231

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.318 -0.435 0.000
H2 -2.745 -0.926 0.877
H3 -2.745 -0.926 -0.877
H4 -2.637 0.606 0.000
C5 -0.832 -0.553 0.000
H6 -0.412 -1.553 0.000
C7 0.000 0.485 0.000
H8 -0.400 1.493 0.000
C9 1.416 0.360 0.000
C10 2.611 0.296 0.000
H11 3.669 0.393 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09181.09181.08961.49062.20952.49402.72003.81794.98326.0437
H21.09181.75371.76912.13712.57013.20863.48164.44285.56346.6064
H31.09181.75371.76912.13712.57013.20863.48164.44285.56346.6064
H41.08961.76911.76912.14523.10042.63942.40604.06055.25736.3090
C51.49062.13712.13712.14521.08421.33062.09182.42663.54644.5992
H62.20952.57012.57013.10041.08422.07903.04612.64553.54324.5207
C72.49403.20863.20862.63941.33062.07901.08471.42202.61833.6700
H82.72003.48163.48162.40602.09183.04611.08472.14123.24104.2150
C93.81794.44284.44284.06052.42662.64551.42202.14121.19682.2527
C104.98325.56345.56345.25733.54643.54322.61833.24101.19681.0619
H116.04376.60646.60646.30904.59924.52073.67004.21502.25271.0619

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 117.345 C1 C5 C7 124.163
H2 C1 H3 106.856 H2 C1 H4 108.386
H2 C1 C5 110.752 H3 C1 H4 108.386
H3 C1 C5 110.752 H4 C1 C5 111.546
C5 C7 H8 119.661 C5 C7 C9 123.630
H6 C5 C7 118.492 C7 C9 C10 178.008
H8 C7 C9 116.709 C9 C10 H11 171.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 H 0.091      
3 H 0.091      
4 H 0.087      
5 C -0.111      
6 H 0.128      
7 C -0.079      
8 H 0.133      
9 C 0.061      
10 C -0.289      
11 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.083 -0.330 0.000 1.132
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.739 -0.067 0.000
y -0.067 -29.568 0.000
z 0.000 0.000 -32.740
Traceless
 xyz
x 6.415 -0.067 0.000
y -0.067 -0.828 0.000
z 0.000 0.000 -5.587
Polar
3z2-r2-11.173
x2-y24.829
xy-0.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.056 1.513 0.000
y 1.513 7.177 0.000
z 0.000 0.000 5.240


<r2> (average value of r2) Å2
<r2> 157.605
(<r2>)1/2 12.554