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

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-194.128254
Energy at 298.15K-194.132757
HF Energy-194.128254
Nuclear repulsion energy141.376751
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 B3LYP/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' 3476 3355 80.94      
2 A' 3162 3053 22.10      
3 A' 3144 3035 1.08      
4 A' 3119 3011 4.25      
5 A' 3021 2916 19.96      
6 A' 2203 2127 5.88      
7 A' 1682 1624 6.19      
8 A' 1485 1433 11.35      
9 A' 1435 1386 6.07      
10 A' 1405 1356 6.22      
11 A' 1272 1228 0.17      
12 A' 1123 1085 0.11      
13 A' 974 940 19.19      
14 A' 901 870 2.95      
15 A' 679 656 49.82      
16 A' 664 641 2.08      
17 A' 375 362 7.70      
18 A' 159 153 0.47      
19 A" 3061 2956 16.13      
20 A" 1486 1435 8.53      
21 A" 1067 1030 1.31      
22 A" 989 955 0.71      
23 A" 752 726 26.87      
24 A" 633 611 53.72      
25 A" 508 490 14.94      
26 A" 277 267 2.59      
27 A" 129 125 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 19589.8 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 18912.0 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 B3LYP/TZVP
ABC
0.40661 0.11024 0.08813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.065 -0.816 0.000
C2 2.190 -0.319 0.000
C3 1.146 0.279 0.000
H4 0.057 2.016 0.000
C5 0.000 0.974 0.000
H6 -2.055 1.058 0.000
C7 -1.233 0.417 0.000
H8 -0.564 -1.591 0.000
H9 -2.074 -1.306 0.883
H10 -2.074 -1.306 -0.883
C11 -1.495 -1.027 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.00602.20934.13103.54915.45234.47123.71025.23715.23714.5644
C21.00601.20333.16232.54324.46333.50163.03374.46554.46553.7526
C32.20931.20332.05001.34013.29462.38302.53343.69593.69592.9458
H44.13103.16232.05001.04382.31962.05523.65984.04464.04463.4157
C53.54912.54321.34011.04382.05711.35332.62573.20623.20622.4973
H65.45234.46333.29462.31962.05711.04293.03992.52382.52382.1589
C74.47123.50162.38302.05521.35331.04292.11582.11052.11051.4667
H83.71023.03372.53343.65982.62573.03992.11581.77261.77261.0885
H95.23714.46553.69594.04463.20622.52382.11051.77261.76641.0925
H105.23714.46553.69594.04463.20622.52382.11051.77261.76641.0925
C114.56443.75262.94583.41572.49732.15891.46671.08851.09251.0925

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 179.872 C2 C3 C5 178.533
C3 C5 H4 118.089 C3 C5 C7 124.445
H4 C5 C7 117.466 C5 C7 H6 117.708
C5 C7 C11 124.593 H6 C7 C11 117.699
C7 C11 H8 110.930 C7 C11 H9 110.250
C7 C11 H10 110.250 H8 C11 H9 108.726
H8 C11 H10 108.726 H9 C11 H10 107.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.174      
2 C -0.105      
3 C -0.064      
4 H 0.142      
5 C -0.214      
6 H 0.129      
7 C -0.092      
8 H 0.138      
9 H 0.128      
10 H 0.128      
11 C -0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.858 -0.194 0.000 0.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.332 -1.985 0.000
y -1.985 -29.048 0.000
z 0.000 0.000 -33.299
Traceless
 xyz
x 4.841 -1.985 0.000
y -1.985 0.768 0.000
z 0.000 0.000 -5.609
Polar
3z2-r2-11.218
x2-y22.716
xy-1.985
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.277 -0.632 0.000
y -0.632 7.593 0.000
z 0.000 0.000 5.286


<r2> (average value of r2) Å2
<r2> 133.883
(<r2>)1/2 11.571