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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-194.026870
Energy at 298.15K-194.031379
Nuclear repulsion energy139.766056
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/SDD
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' 3497 3361 72.84      
2 A' 3192 3068 45.16      
3 A' 3164 3042 4.00      
4 A' 3151 3029 4.48      
5 A' 3030 2913 25.85      
6 A' 2177 2092 5.69      
7 A' 1684 1619 6.38      
8 A' 1507 1448 17.02      
9 A' 1445 1389 14.35      
10 A' 1415 1360 4.98      
11 A' 1284 1235 0.43      
12 A' 1134 1090 0.56      
13 A' 984 946 26.00      
14 A' 900 865 1.43      
15 A' 697 670 69.33      
16 A' 664 638 2.76      
17 A' 370 356 8.15      
18 A' 153 147 0.64      
19 A" 3095 2975 28.29      
20 A" 1511 1453 15.34      
21 A" 1085 1043 0.02      
22 A" 1017 978 0.75      
23 A" 778 748 43.52      
24 A" 663 637 82.41      
25 A" 513 493 17.24      
26 A" 282 271 2.17      
27 A" 129 124 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 19758.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 18993.9 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 B3LYP/SDD
ABC
0.39915 0.10732 0.08594

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.211 -0.905 0.000
C2 2.285 -0.376 0.000
C3 1.219 0.230 0.000
H4 0.115 2.073 0.000
C5 0.000 0.989 0.000
H6 -2.093 1.161 0.000
C7 -1.254 0.463 0.000
H8 -0.707 -1.632 0.000
H9 -2.207 -1.258 0.883
H10 -2.207 -1.258 -0.883
C11 -1.602 -1.003 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06642.29344.29623.72835.69274.67033.98515.50105.50104.8149
C21.06641.22703.27272.66214.64053.63743.24474.66204.66203.9379
C32.29341.22702.14811.43563.44022.48372.67903.83793.83793.0793
H44.29623.27272.14811.09032.38912.11323.79544.15554.15553.5235
C53.72832.66211.43561.09032.10021.35962.71483.27093.27092.5569
H65.69274.64053.44022.38912.10021.09143.11842.57782.57782.2194
C74.67033.63742.48372.11321.35961.09142.16572.15662.15661.5076
H83.98513.24472.67903.79542.71483.11842.16571.78031.78031.0943
H95.50104.66203.83794.15553.27092.57782.15661.78031.76601.0999
H105.50104.66203.83794.15553.27092.57782.15661.78031.76601.0999
C114.81493.93793.07933.52352.55692.21941.50761.09431.09991.0999

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 179.935 C2 C3 C5 177.744
C3 C5 H4 115.844 C3 C5 C7 125.355
H4 C5 C7 118.801 C5 C7 H6 117.515
C5 C7 C11 126.112 H6 C7 C11 116.373
C7 C11 H8 111.699 C7 C11 H9 110.627
C7 C11 H10 110.627 H8 C11 H9 108.464
H8 C11 H10 108.464 H9 C11 H10 106.797
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.275      
2 C -0.444      
3 C 0.142      
4 H 0.219      
5 C -0.270      
6 H 0.202      
7 C -0.099      
8 H 0.233      
9 H 0.211      
10 H 0.211      
11 C -0.681      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.988 -0.162 0.000 1.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.426 -2.036 0.000
y -2.036 -28.149 0.000
z 0.000 0.000 -33.020
Traceless
 xyz
x 5.159 -2.036 0.000
y -2.036 1.074 0.000
z 0.000 0.000 -6.233
Polar
3z2-r2-12.465
x2-y22.723
xy-2.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.472 -0.771 0.000
y -0.771 6.541 0.000
z 0.000 0.000 4.016


<r2> (average value of r2) Å2
<r2> 136.283
(<r2>)1/2 11.674