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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-192.820704
Energy at 298.15K-192.825612
HF Energy-192.820704
Nuclear repulsion energy142.107607
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/daug-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' 3615 3270 80.33      
2 A' 3325 3008 16.04      
3 A' 3295 2981 11.11      
4 A' 3259 2948 7.18      
5 A' 3157 2856 29.42      
6 A' 2368 2142 11.12      
7 A' 1833 1658 9.45      
8 A' 1600 1447 8.77      
9 A' 1554 1406 1.97      
10 A' 1516 1371 7.30      
11 A' 1362 1232 0.83      
12 A' 1209 1094 0.19      
13 A' 1020 923 16.51      
14 A' 942 852 0.92      
15 A' 818 740 44.58      
16 A' 704 637 3.76      
17 A' 413 374 10.57      
18 A' 177 160 0.54      
19 A" 3197 2892 24.34      
20 A" 1602 1449 5.91      
21 A" 1179 1066 1.99      
22 A" 1098 993 2.45      
23 A" 831 752 42.02      
24 A" 786 711 34.53      
25 A" 556 503 18.88      
26 A" 307 278 4.75      
27 A" 152 137 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 20937.7 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 18940.3 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/daug-cc-pVTZ
ABC
0.40851 0.11121 0.08883

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.142 -0.924 0.000
C2 2.235 -0.387 0.000
C3 1.214 0.211 0.000
H4 0.127 2.046 0.000
C5 0.000 0.980 0.000
H6 -2.040 1.166 0.000
C7 -1.219 0.470 0.000
H8 -0.714 -1.617 0.000
H9 -2.187 -1.214 0.873
H10 -2.187 -1.214 -0.873
C11 -1.586 -0.980 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.05382.23764.23163.67365.58744.57873.91755.40755.40754.7283
C21.05381.18383.21902.61994.54833.55923.19484.58234.58233.8667
C32.23761.18382.13201.43653.39072.44682.65643.78903.78903.0426
H44.23163.21902.13201.07362.33892.07293.75764.09194.09193.4773
C53.67362.61991.43651.07362.04841.32172.69263.21823.21822.5212
H65.58744.54833.39072.33892.04841.07593.08242.53942.53942.1937
C74.57873.55922.44682.07291.32171.07592.14682.12922.12921.4957
H83.91753.19482.65643.75762.69263.08242.14681.75871.75871.0796
H95.40754.58233.78904.09193.21822.53942.12921.75871.74541.0850
H105.40754.58233.78904.09193.21822.53942.12921.75871.74541.0850
C114.72833.86673.04263.47732.52122.19371.49571.07961.08501.0850

picture of 3-Penten-1-yne, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 179.764 C2 C3 C5 178.033
C3 C5 H4 115.530 C3 C5 C7 124.973
H4 C5 C7 119.497 C5 C7 H6 116.999
C5 C7 C11 126.872 H6 C7 C11 116.130
C7 C11 H8 111.932 C7 C11 H9 110.168
C7 C11 H10 110.168 H8 C11 H9 108.671
H8 C11 H10 108.671 H9 C11 H10 107.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.908      
2 C -2.242      
3 C 2.492      
4 H -0.220      
5 C 0.416      
6 H 0.666      
7 C -1.370      
8 H 0.185      
9 H 0.319      
10 H 0.319      
11 C -1.474      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.943 -0.217 0.000 0.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.114 -2.171 0.000
y -2.171 -29.085 0.000
z 0.000 0.000 -33.512
Traceless
 xyz
x 5.184 -2.171 0.000
y -2.171 0.728 0.000
z 0.000 0.000 -5.913
Polar
3z2-r2-11.825
x2-y22.971
xy-2.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.724 -0.300 0.000
y -0.300 7.962 0.000
z 0.000 0.000 6.252


<r2> (average value of r2) Å2
<r2> 132.914
(<r2>)1/2 11.529