return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-195.367954
Energy at 298.15K-195.376152
HF Energy-195.367954
Nuclear repulsion energy163.249626
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/cc-pVTZ
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' 3217 3109 29.57      
2 A' 3216 3108 5.37      
3 A' 3146 3041 11.09      
4 A' 3133 3029 3.46      
5 A' 3130 3026 14.76      
6 A' 3112 3009 8.66      
7 A' 1701 1645 35.03      
8 A' 1507 1456 1.12      
9 A' 1471 1422 0.43      
10 A' 1362 1316 1.14      
11 A' 1326 1282 2.54      
12 A' 1239 1197 3.92      
13 A' 1215 1175 1.40      
14 A' 1054 1019 2.56      
15 A' 1014 980 2.75      
16 A' 957 925 42.03      
17 A' 828 800 1.35      
18 A' 771 745 0.30      
19 A' 447 433 1.36      
20 A' 272 263 1.20      
21 A" 3201 3094 0.10      
22 A" 3127 3022 22.98      
23 A" 1474 1425 1.66      
24 A" 1202 1162 0.78      
25 A" 1134 1096 1.83      
26 A" 1080 1044 6.01      
27 A" 1027 993 8.44      
28 A" 933 902 30.28      
29 A" 912 881 19.15      
30 A" 824 796 9.26      
31 A" 683 660 5.35      
32 A" 315 305 1.02      
33 A" 126 122 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25077.7 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 24240.1 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/cc-pVTZ
ABC
0.50982 0.10191 0.09796

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.389 0.285 0.000
C2 0.253 -1.040 0.000
C3 -0.388 -2.205 0.000
C4 0.253 1.435 0.748
C5 0.253 1.435 -0.748
H6 -1.472 0.265 0.000
H7 1.340 -1.037 0.000
H8 0.148 -3.144 0.000
H9 -1.470 -2.259 0.000
H10 -0.401 2.123 1.265
H11 1.185 1.238 1.259
H12 -0.401 2.123 -1.265
H13 1.185 1.238 -1.259

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47242.49001.51471.51471.08282.17613.47092.76352.23152.22952.23152.2295
C21.47241.32902.58602.58602.16291.08742.10642.10943.46932.76493.46932.7649
C32.49001.32903.77093.77092.69792.08561.08111.08334.50933.98904.50933.9890
C41.51472.58603.77091.49692.21372.80194.64114.14341.08081.08122.22602.2221
C51.51472.58603.77091.49692.21372.80194.64114.14342.22602.22211.08081.0812
H61.08282.16292.69792.21372.21373.09843.77482.52402.48933.09662.48933.0966
H72.17611.08742.08562.80192.80193.09842.42133.06383.82312.60423.82312.6042
H83.47092.10641.08114.64114.64113.77482.42131.84425.44494.67585.44494.6758
H92.76352.10941.08334.14344.14342.52403.06381.84424.68414.56704.68414.5670
H102.23153.46934.50931.08082.22602.48933.82315.44494.68411.81682.53003.1097
H112.22952.76493.98901.08122.22213.09662.60424.67584.56701.81683.10972.5177
H122.23153.46934.50932.22601.08082.48933.82315.44494.68412.53003.10971.8168
H132.22952.76493.98902.22211.08123.09662.60424.67584.56703.10972.51771.8168

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.375 C1 C2 H7 115.631
C1 C4 C5 60.388 C1 C4 H10 117.607
C1 C4 H11 117.401 C1 C5 C4 60.388
C1 C5 H12 117.607 C1 C5 H13 117.401
C2 C1 C4 119.923 C2 C1 C5 119.923
C2 C1 H6 114.799 C2 C3 H8 121.507
C2 C3 H9 121.622 C3 C2 H7 118.995
C4 C1 H6 115.922 C4 C5 H12 118.551
C4 C5 H13 118.169 C5 C1 H6 115.922
C5 C4 H10 118.551 C5 C4 H11 118.169
H8 C3 H9 116.871 H10 C4 H11 114.347
H12 C5 H13 114.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C -0.073      
3 C -0.304      
4 C -0.226      
5 C -0.226      
6 H 0.099      
7 H 0.102      
8 H 0.105      
9 H 0.102      
10 H 0.105      
11 H 0.102      
12 H 0.105      
13 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.023 0.585 0.000 0.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.923 -0.968 0.000
y -0.968 -31.965 0.000
z 0.000 0.000 -33.990
Traceless
 xyz
x 3.054 -0.968 0.000
y -0.968 -0.009 0.000
z 0.000 0.000 -3.045
Polar
3z2-r2-6.091
x2-y22.042
xy-0.968
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.759 1.000 0.000
y 1.000 11.603 0.000
z 0.000 0.000 6.798


<r2> (average value of r2) Å2
<r2> 134.360
(<r2>)1/2 11.591