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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: B3LYP/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 B3LYP/CEP-121G
 hartrees
Energy at 0K-32.961161
Energy at 298.15K-32.969327
HF Energy-32.961161
Nuclear repulsion energy87.366210
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/CEP-121G
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' 3206 3124 58.34      
2 A' 3202 3121 23.51      
3 A' 3124 3044 15.45      
4 A' 3104 3025 2.35      
5 A' 3100 3021 27.83      
6 A' 3085 3006 16.00      
7 A' 1668 1626 37.72      
8 A' 1503 1464 1.66      
9 A' 1475 1437 0.42      
10 A' 1353 1319 1.87      
11 A' 1323 1290 2.48      
12 A' 1238 1206 4.72      
13 A' 1203 1173 0.63      
14 A' 1064 1037 6.25      
15 A' 1014 988 4.48      
16 A' 939 915 46.63      
17 A' 818 797 2.94      
18 A' 769 749 1.37      
19 A' 440 429 1.87      
20 A' 269 263 1.18      
21 A" 3187 3106 0.14      
22 A" 3091 3012 36.46      
23 A" 1478 1441 2.56      
24 A" 1197 1167 1.19      
25 A" 1132 1103 1.87      
26 A" 1089 1061 11.66      
27 A" 1025 998 8.79      
28 A" 946 921 56.79      
29 A" 909 886 9.85      
30 A" 806 785 18.75      
31 A" 676 659 3.78      
32 A" 313 305 1.52      
33 A" 117 114 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 24930.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 24294.8 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/CEP-121G
ABC
0.49206 0.09850 0.09454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.399 0.286 0.000
C2 0.258 -1.057 0.000
C3 -0.396 -2.245 0.000
C4 0.258 1.461 0.766
C5 0.258 1.461 -0.766
H6 -1.488 0.262 0.000
H7 1.353 -1.051 0.000
H8 0.141 -3.191 0.000
H9 -1.485 -2.298 0.000
H10 -0.398 2.156 1.284
H11 1.196 1.263 1.281
H12 -0.398 2.156 -1.284
H13 1.196 1.263 -1.281

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49492.53021.54941.54941.08952.20373.51802.80272.26862.26702.26862.2670
C21.49491.35592.63232.63232.18841.09482.13672.13993.52182.81133.52182.8113
C32.53021.35593.84033.84032.73382.11751.08811.09024.58394.05964.58394.0596
C41.54942.63233.84031.53212.25282.84574.71604.21401.08731.08792.26222.2601
C51.54942.63233.84031.53212.25282.84574.71604.21402.26222.26011.08731.0879
H61.08952.18842.73382.25282.25283.12983.81752.55972.53453.13802.53453.1380
H72.20371.09482.11752.84572.84573.12982.45873.09993.87322.64993.87322.6499
H83.51802.13671.08814.71604.71603.81752.45871.85545.52494.75285.52494.7528
H92.80272.13991.09024.21404.21402.55973.09991.85544.76084.63804.76084.6380
H102.26863.52184.58391.08732.26222.53453.87325.52494.76081.82722.56873.1494
H112.26702.81134.05961.08792.26013.13802.64994.75284.63801.82723.14942.5616
H122.26863.52184.58392.26221.08732.53453.87325.52494.76082.56873.14941.8272
H132.26702.81134.05962.26011.08793.13802.64994.75284.63803.14942.56161.8272

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.059 C1 C2 H7 115.773
C1 C4 C5 60.368 C1 C4 H10 117.657
C1 C4 H11 117.477 C1 C5 C4 60.368
C1 C5 H12 117.657 C1 C5 H13 117.477
C2 C1 C4 119.676 C2 C1 C5 119.676
C2 C1 H6 114.820 C2 C3 H8 121.529
C2 C3 H9 121.669 C3 C2 H7 119.167
C4 C1 H6 116.144 C4 C5 H12 118.469
C4 C5 H13 118.240 C5 C1 H6 116.144
C5 C4 H10 118.469 C5 C4 H11 118.240
H8 C3 H9 116.802 H10 C4 H11 114.287
H12 C5 H13 114.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C 0.091      
3 C -0.455      
4 C -0.371      
5 C -0.371      
6 H 0.158      
7 H 0.115      
8 H 0.113      
9 H 0.128      
10 H 0.150      
11 H 0.154      
12 H 0.150      
13 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.047 0.583 0.000 0.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.739 -1.076 0.000
y -1.076 -31.901 0.000
z 0.000 0.000 -34.254
Traceless
 xyz
x 3.339 -1.076 0.000
y -1.076 0.095 0.000
z 0.000 0.000 -3.434
Polar
3z2-r2-6.868
x2-y22.163
xy-1.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.682 1.115 0.000
y 1.115 11.603 0.000
z 0.000 0.000 6.432


<r2> (average value of r2) Å2
<r2> 113.902
(<r2>)1/2 10.673