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

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-194.026723
Energy at 298.15K-194.031133
Nuclear repulsion energy136.800711
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 3499 3364 78.53      
2 A 3184 3060 35.68      
3 A 3163 3040 8.34      
4 A 3135 3014 20.30      
5 A 3028 2910 33.09      
6 A 2179 2095 8.26      
7 A 1694 1628 4.69      
8 A 1513 1454 20.33      
9 A 1444 1388 8.00      
10 A 1333 1281 1.22      
11 A 1323 1272 0.89      
12 A 1142 1098 1.36      
13 A 1052 1012 15.38      
14 A 920 884 9.13      
15 A 696 669 71.05      
16 A 539 518 3.65      
17 A 388 373 1.84      
18 A 170 164 1.86      
19 A 3095 2976 27.83      
20 A 1505 1446 14.90      
21 A 1086 1044 0.00      
22 A 1009 970 67.73      
23 A 843 810 0.88      
24 A 659 633 81.78      
25 A 460 443 0.57      
26 A 185 178 0.00      
27 A 173 167 4.27      

Unscaled Zero Point Vibrational Energy (zpe) 19707.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 18945.1 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
1.30028 0.07296 0.06999

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)
C1 -2.351 -0.469 0.000
H2 -2.779 -0.966 0.883
H3 -2.779 -0.966 -0.883
H4 -2.684 0.575 0.000
C5 -0.846 -0.575 0.000
H6 -0.423 -1.580 0.000
C7 0.000 0.487 0.000
H8 -0.413 1.497 0.000
C9 1.432 0.388 0.000
C10 2.658 0.356 0.000
H11 3.723 0.319 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 C10 H11
C11.09981.09981.09631.50812.22532.53792.76023.87835.07646.1252
H21.09981.76551.77922.16002.58973.25773.52724.50995.66436.6864
H31.09981.76551.77922.16002.58973.25773.52724.50995.66436.6864
H41.09631.77921.77922.16783.12392.68542.45034.11995.34646.4124
C51.50812.16002.16002.16781.09081.35802.11652.47313.62604.6565
H62.22532.58972.58973.12391.09082.10983.07682.70363.63854.5602
C72.53793.25773.25772.68541.35802.10981.09121.43512.66123.7272
H82.76023.52723.52722.45032.11653.07681.09122.15293.27644.3012
C93.87834.50994.50994.11992.47312.70361.43512.15291.22672.2927
C105.07645.66435.66435.34643.62603.63852.66123.27641.22671.0661
H116.12526.68646.68646.41244.65654.56023.72724.30122.29271.0661

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 116.887 C1 C5 C7 124.539
H2 C1 H3 106.769 H2 C1 H4 108.220
H2 C1 C5 110.872 H3 C1 H4 108.220
H3 C1 C5 110.872 H4 C1 C5 111.706
C5 C7 H8 119.174 C5 C7 C9 124.584
H6 C5 C7 118.573 C7 C9 C10 177.488
H8 C7 C9 116.242 C9 C10 H11 179.468
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 C -0.674      
2 H 0.214      
3 H 0.214      
4 H 0.210      
5 C -0.103      
6 H 0.226      
7 C -0.277      
8 H 0.222      
9 C 0.148      
10 C -0.456      
11 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.198 -0.350 0.000 1.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.435 0.130 0.000
y 0.130 -29.258 0.000
z 0.000 0.000 -32.994
Traceless
 xyz
x 6.692 0.130 0.000
y 0.130 -0.544 0.000
z 0.000 0.000 -6.148
Polar
3z2-r2-12.295
x2-y24.824
xy0.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.569 1.896 0.000
y 1.896 6.199 0.000
z 0.000 0.000 4.033


<r2> (average value of r2) Å2
<r2> 162.035
(<r2>)1/2 12.729