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All results from a given calculation for C5H6 (Bicyclo[2.1.0]pent-2-ene)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-192.769169
Energy at 298.15K-192.775759
HF Energy-192.769169
Nuclear repulsion energy161.412384
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/TZVP
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 3372 3063 11.38      
2 A 3353 3046 32.11      
3 A 3333 3028 8.46      
4 A 3245 2948 35.15      
5 A 1742 1583 11.76      
6 A 1607 1460 1.77      
7 A 1412 1283 0.42      
8 A 1300 1181 0.93      
9 A 1196 1086 2.35      
10 A 1106 1005 2.42      
11 A 1036 942 4.36      
12 A 968 880 3.16      
13 A 869 789 0.39      
14 A 823 748 86.63      
15 A 467 425 7.16      
16 A 3345 3039 24.72      
17 A 3334 3029 0.09      
18 A 1438 1306 24.90      
19 A 1337 1215 0.00      
20 A 1208 1097 1.86      
21 A 1154 1048 9.30      
22 A 1139 1035 0.47      
23 A 1047 951 12.61      
24 A 978 889 1.73      
25 A 904 821 0.49      
26 A 843 766 39.78      
27 A 497 451 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 21524.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19556.9 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/TZVP
ABC
0.37119 0.21902 0.17641

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.263 1.051 0.657
C2 -0.263 1.051 -0.657
C3 -0.263 -0.466 0.754
C4 -0.263 -0.466 -0.754
C5 0.924 -1.000 0.000
H6 -0.210 1.805 1.417
H7 -0.210 1.805 -1.417
H8 -0.860 -1.046 1.428
H9 -0.860 -1.046 -1.428
H10 1.857 -0.461 0.000
H11 1.044 -2.071 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.31441.52052.07202.45931.07222.20792.31293.01742.68523.4481
C21.31442.07201.52052.45932.20791.07223.01742.31292.68523.4481
C31.52052.07201.50741.50412.36743.14281.07162.33552.24982.2028
C42.07201.52051.50741.50413.14282.36742.33551.07162.24982.2028
C52.45932.45931.50411.50413.34153.34152.28652.28651.07751.0780
H61.07222.20792.36743.14283.34152.83432.92494.08073.37864.3141
H72.20791.07223.14282.36743.34152.83434.08072.92493.37864.3141
H82.31293.01741.07162.33552.28652.92494.08072.85683.12542.5922
H93.01742.31292.33551.07162.28654.08072.92492.85683.12542.5922
H102.68522.68522.24982.24981.07753.37863.37863.12543.12541.8043
H113.44813.44812.20282.20281.07804.31414.31412.59222.59221.8043

picture of Bicyclo[2.1.0]pent-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 93.639 C1 C2 H7 135.134
C1 C3 C4 86.361 C1 C3 C5 108.802
C1 C3 H8 125.434 C2 C1 C3 93.639
C2 C1 H6 135.134 C2 C4 C3 86.361
C2 C4 C5 108.802 C2 C4 H9 125.434
C3 C1 H6 131.095 C3 C4 C5 59.926
C3 C4 H9 129.019 C3 C5 C4 60.148
C3 C5 H10 120.367 C3 C5 H11 116.125
C4 C2 H7 131.095 C4 C3 C5 59.926
C4 C3 H8 129.019 C4 C5 H10 120.367
C4 C5 H11 116.125 C5 C3 H8 124.318
C5 C4 H9 124.318 H10 C5 H11 113.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 C -0.201      
3 C -0.012      
4 C -0.012      
5 C -0.311      
6 H 0.117      
7 H 0.117      
8 H 0.146      
9 H 0.146      
10 H 0.109      
11 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.183 -0.371 0.000 0.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.970 0.755 0.000
y 0.755 -28.685 0.000
z 0.000 0.000 -29.794
Traceless
 xyz
x -2.730 0.755 0.000
y 0.755 2.197 0.000
z 0.000 0.000 0.534
Polar
3z2-r21.067
x2-y2-3.285
xy0.755
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.366 -0.448 0.000
y -0.448 7.798 0.000
z 0.000 0.000 7.837


<r2> (average value of r2) Å2
<r2> 86.878
(<r2>)1/2 9.321