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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-32.047367
Energy at 298.15K-32.055798
HF Energy-32.047367
Nuclear repulsion energy88.613872
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/CEP-121G*
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' 3386 3059 38.74      
2 A' 3378 3052 47.14      
3 A' 3316 2996 16.47      
4 A' 3306 2987 3.65      
5 A' 3293 2975 26.86      
6 A' 3285 2967 13.75      
7 A' 1827 1650 33.09      
8 A' 1644 1485 1.40      
9 A' 1587 1434 0.45      
10 A' 1460 1319 4.84      
11 A' 1416 1279 3.02      
12 A' 1325 1197 2.74      
13 A' 1289 1165 3.07      
14 A' 1165 1052 1.45      
15 A' 1081 977 3.76      
16 A' 1016 918 47.08      
17 A' 873 788 2.40      
18 A' 817 738 0.86      
19 A' 466 421 1.65      
20 A' 286 259 1.45      
21 A" 3362 3037 0.20      
22 A" 3277 2960 41.17      
23 A" 1592 1438 0.24      
24 A" 1299 1173 0.71      
25 A" 1238 1118 0.87      
26 A" 1185 1070 3.37      
27 A" 1120 1012 14.08      
28 A" 1036 936 60.06      
29 A" 1007 910 20.60      
30 A" 884 798 10.09      
31 A" 728 658 5.83      
32 A" 335 303 1.13      
33 A" 121 109 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 26698.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 24119.2 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/CEP-121G*
ABC
0.50603 0.10141 0.09746

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.394 0.294 0.000
C2 0.255 -1.049 0.000
C3 -0.393 -2.209 0.000
C4 0.255 1.436 0.753
C5 0.255 1.436 -0.753
H6 -1.472 0.273 0.000
H7 1.337 -1.052 0.000
H8 0.137 -3.147 0.000
H9 -1.471 -2.258 0.000
H10 -0.390 2.131 1.265
H11 1.185 1.237 1.261
H12 -0.390 2.131 -1.265
H13 1.185 1.237 -1.261

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49182.50271.51421.51421.07862.19313.48172.77012.23072.22972.23072.2297
C21.49181.32842.59692.59692.17581.08192.10122.10753.48302.77113.48302.7711
C32.50271.32843.77793.77792.70692.08081.07771.07944.52063.99384.52063.9938
C41.51422.59693.77791.50532.21432.81614.64624.14681.07771.07822.22942.2266
C51.51422.59693.77791.50532.21432.81614.64624.14682.22942.22661.07771.0782
H61.07862.17582.70692.21432.21433.10673.78032.53172.49473.09512.49473.0951
H72.19311.08192.08082.81612.81613.10672.41393.05613.83642.61773.83642.6177
H83.48172.10121.07774.64624.64623.78032.41391.83765.45324.68025.45324.6802
H92.77012.10751.07944.14684.14682.53173.05611.83764.69434.56724.69434.5672
H102.23073.48304.52061.07772.22942.49473.83645.45324.69431.81122.53023.1080
H112.22972.77113.99381.07822.22663.09512.61774.68024.56721.81123.10802.5212
H122.23073.48304.52062.22941.07772.49473.83645.45324.69432.53023.10801.8112
H132.22972.77113.99382.22661.07823.09512.61774.68024.56723.10802.52121.8112

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.005 C1 C2 H7 115.969
C1 C4 C5 60.194 C1 C4 H10 117.787
C1 C4 H11 117.668 C1 C5 C4 60.194
C1 C5 H12 117.787 C1 C5 H13 117.668
C2 C1 C4 119.512 C2 C1 C5 119.512
C2 C1 H6 114.711 C2 C3 H8 121.338
C2 C3 H9 121.824 C3 C2 H7 119.026
C4 C1 H6 116.294 C4 C5 H12 118.389
C4 C5 H13 118.105 C5 C1 H6 116.294
C5 C4 H10 118.389 C5 C4 H11 118.105
H8 C3 H9 116.838 H10 C4 H11 114.298
H12 C5 H13 114.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 C -0.068      
3 C -0.561      
4 C -0.455      
5 C -0.455      
6 H 0.222      
7 H 0.193      
8 H 0.174      
9 H 0.182      
10 H 0.183      
11 H 0.183      
12 H 0.183      
13 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.029 0.508 0.000 0.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.478 -0.950 0.000
y -0.950 -31.613 0.000
z 0.000 0.000 -34.303
Traceless
 xyz
x 3.479 -0.950 0.000
y -0.950 0.278 0.000
z 0.000 0.000 -3.757
Polar
3z2-r2-7.515
x2-y22.134
xy-0.950
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.300 1.172 0.000
y 1.172 10.737 0.000
z 0.000 0.000 6.288


<r2> (average value of r2) Å2
<r2> 111.137
(<r2>)1/2 10.542