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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-193.796587
Energy at 298.15K-193.800915
Nuclear repulsion energy140.060508
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3418 3399 76.83      
2 A' 3100 3082 22.43      
3 A' 3081 3063 0.63      
4 A' 3069 3052 1.24      
5 A' 2959 2942 19.20      
6 A' 2142 2130 2.57      
7 A' 1642 1633 7.09      
8 A' 1401 1393 7.40      
9 A' 1366 1358 8.50      
10 A' 1323 1315 5.73      
11 A' 1213 1206 0.04      
12 A' 1080 1074 0.00      
13 A' 954 949 21.43      
14 A' 899 894 5.21      
15 A' 643 639 8.83      
16 A' 613 609 31.93      
17 A' 354 352 5.29      
18 A' 149 148 0.21      
19 A" 3018 3000 11.41      
20 A" 1400 1392 6.88      
21 A" 1004 998 0.12      
22 A" 938 933 0.55      
23 A" 722 718 18.12      
24 A" 569 566 49.43      
25 A" 488 485 4.37      
26 A" 269 268 0.74      
27 A" 150 149 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 18983.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 18873.0 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 PBEPBE/cc-pVDZ
ABC
0.39820 0.10889 0.08691

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.200 -0.928 0.000
C2 2.269 -0.382 0.000
C3 1.207 0.234 0.000
H4 0.115 2.087 0.000
C5 0.000 0.990 0.000
H6 -2.098 1.167 0.000
C7 -1.251 0.460 0.000
H8 -0.673 -1.627 0.000
H9 -2.197 -1.263 0.888
H10 -2.197 -1.263 -0.888
C11 -1.583 -0.998 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.07902.30724.31313.73055.69674.66193.93545.47985.47984.7838
C21.07901.22823.27632.65164.63343.61913.19474.63814.63813.9015
C32.30721.22822.15031.42383.43362.46782.64533.82323.82323.0502
H44.31313.27632.15031.10322.39722.12493.79684.16644.16643.5218
C53.73052.65161.42381.10322.10531.35852.70203.26983.26982.5414
H65.69674.63343.43362.39722.10531.10333.13602.58862.58862.2247
C74.66193.61912.46782.12491.35851.10332.16512.15682.15681.4950
H83.93543.19472.64533.79682.70203.13602.16511.80131.80131.1068
H95.47984.63813.82324.16643.26982.58862.15681.80131.77651.1116
H105.47984.63813.82324.16643.26982.58862.15681.80131.77651.1116
C114.78383.90153.05023.52182.54142.22471.49501.10681.11161.1116

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 179.720 C2 C3 C5 178.060
C3 C5 H4 116.047 C3 C5 C7 124.971
H4 C5 C7 118.981 C5 C7 H6 117.183
C5 C7 C11 125.835 H6 C7 C11 116.982
C7 C11 H8 111.782 C7 C11 H9 110.813
C7 C11 H10 110.813 H8 C11 H9 108.578
H8 C11 H10 108.578 H9 C11 H10 106.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.023      
2 C -0.427      
3 C 0.465      
4 H 0.020      
5 C -0.113      
6 H 0.002      
7 C -0.070      
8 H 0.048      
9 H 0.053      
10 H 0.053      
11 C -0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.799 -0.225 0.000 0.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.689 -1.837 0.000
y -1.837 -28.513 0.000
z 0.000 0.000 -32.554
Traceless
 xyz
x 4.845 -1.837 0.000
y -1.837 0.608 0.000
z 0.000 0.000 -5.453
Polar
3z2-r2-10.907
x2-y22.824
xy-1.837
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.176 -0.764 0.000
y -0.764 7.455 0.000
z 0.000 0.000 4.178


<r2> (average value of r2) Å2
<r2> 135.203
(<r2>)1/2 11.628