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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-33.014544
Energy at 298.15K-33.022616
HF Energy-33.014544
Nuclear repulsion energy87.860241
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
4/u)
Dep P Dep U
1 A' 3205 3107 38.05      
2 A' 3202 3104 28.98      
3 A' 3130 3034 18.13      
4 A' 3118 3022 6.30      
5 A' 3109 3014 25.98      
6 A' 3100 3005 10.79      
7 A' 1676 1624 34.26      
8 A' 1506 1459 1.06      
9 A' 1463 1418 0.33      
10 A' 1345 1304 2.90      
11 A' 1307 1267 3.31      
12 A' 1226 1188 3.83      
13 A' 1195 1159 1.94      
14 A' 1039 1008 2.50      
15 A' 1001 970 3.89      
16 A' 939 910 44.03      
17 A' 813 788 1.81      
18 A' 758 734 0.58      
19 A' 435 422 1.54      
20 A' 266 258 1.33      
21 A" 3186 3089 0.12      
22 A" 3104 3009 37.53      
23 A" 1469 1424 0.65      
24 A" 1190 1153 0.87      
25 A" 1121 1087 2.86      
26 A" 1053 1021 7.14      
27 A" 1011 980 11.10      
28 A" 903 876 13.02      
29 A" 898 871 46.06      
30 A" 807 783 10.51      
31 A" 669 649 5.20      
32 A" 308 299 1.22      
33 A" 120 117 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 24834.8 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 24074.8 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
0.49803 0.09987 0.09597

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 -0.398 0.289 0.000
C2 0.256 -1.050 0.000
C3 -0.391 -2.229 0.000
C4 0.256 1.449 0.758
C5 0.256 1.449 -0.758
H6 -1.488 0.268 0.000
H7 1.351 -1.045 0.000
H8 0.149 -3.174 0.000
H9 -1.481 -2.284 0.000
H10 -0.400 2.146 1.277
H11 1.195 1.247 1.273
H12 -0.400 2.146 -1.277
H13 1.195 1.247 -1.273

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48952.51731.53261.53261.09052.19913.50542.79092.25392.25262.25392.2526
C21.48951.34512.61122.61122.18571.09482.12692.13053.50322.78873.50322.7887
C32.51731.34513.81043.81042.72662.10641.08871.09074.55704.02714.55704.0271
C41.53262.61123.81041.51672.23892.82724.68594.18611.08861.08902.24922.2465
C51.53262.61123.81041.51672.23892.82724.68594.18612.24922.24651.08861.0890
H61.09052.18572.72662.23892.23893.12773.81102.55132.51833.12662.51833.1266
H72.19911.09482.10642.82722.82723.12772.44493.09073.85712.62663.85712.6266
H83.50542.12691.08874.68594.68593.81102.44491.85695.49824.71815.49824.7181
H92.79092.13051.09074.18614.18612.55133.09071.85694.73474.60924.73474.6092
H102.25393.50324.55701.08862.24922.51833.85715.49824.73471.83032.55433.1388
H112.25262.78874.02711.08902.24653.12662.62664.71814.60921.83033.13882.5456
H122.25393.50324.55702.24921.08862.51833.85715.49824.73472.55433.13881.8303
H132.25262.78874.02712.24651.08903.12662.62664.71814.60923.13882.54561.8303

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.185 C1 C2 H7 115.789
C1 C4 C5 60.344 C1 C4 H10 117.594
C1 C4 H11 117.463 C1 C5 C4 60.344
C1 C5 H12 117.594 C1 C5 H13 117.463
C2 C1 C4 119.537 C2 C1 C5 119.537
C2 C1 H6 114.938 C2 C3 H8 121.477
C2 C3 H9 121.666 C3 C2 H7 119.026
C4 C1 H6 116.172 C4 C5 H12 118.461
C4 C5 H13 118.191 C5 C1 H6 116.172
C5 C4 H10 118.461 C5 C4 H11 118.191
H8 C3 H9 116.857 H10 C4 H11 114.378
H12 C5 H13 114.378
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 0.097      
2 C -0.025      
3 C -0.538      
4 C -0.452      
5 C -0.452      
6 H 0.199      
7 H 0.156      
8 H 0.151      
9 H 0.160      
10 H 0.174      
11 H 0.178      
12 H 0.174      
13 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.038 0.589 0.000 0.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.515 -1.069 0.000
y -1.069 -31.680 0.000
z 0.000 0.000 -34.092
Traceless
 xyz
x 3.371 -1.069 0.000
y -1.069 0.124 0.000
z 0.000 0.000 -3.495
Polar
3z2-r2-6.990
x2-y22.165
xy-1.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.771 1.061 0.000
y 1.061 11.711 0.000
z 0.000 0.000 6.599


<r2> (average value of r2) Å2
<r2> 112.577
(<r2>)1/2 10.610