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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-193.892015
Energy at 298.15K-193.898159
HF Energy-193.892015
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3163 3101 13.73      
2 A' 3151 3089 71.63      
3 A' 3140 3078 3.99      
4 A' 3052 2992 46.10      
5 A' 1575 1545 5.58      
6 A' 1470 1442 0.58      
7 A' 1277 1252 0.65      
8 A' 1192 1168 1.51      
9 A' 1102 1080 1.40      
10 A' 1025 1005 1.95      
11 A' 955 936 2.48      
12 A' 854 837 3.49      
13 A' 796 780 0.40      
14 A' 717 703 56.70      
15 A' 413 405 5.80      
16 A" 3150 3088 29.94      
17 A" 3119 3058 16.85      
18 A" 1296 1271 19.69      
19 A" 1203 1179 0.11      
20 A" 1066 1045 5.39      
21 A" 1032 1012 1.19      
22 A" 1021 1001 2.93      
23 A" 934 916 2.97      
24 A" 859 842 6.25      
25 A" 816 800 3.54      
26 A" 774 759 29.27      
27 A" 447 439 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 19798.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19410.1 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 B97D3/6-31G*
ABC
0.36078 0.21523 0.17268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.268 1.061 0.676
C2 -0.268 1.061 -0.676
C3 -0.268 -0.461 0.762
C4 -0.268 -0.461 -0.762
C5 0.925 -1.018 0.000
H6 -0.110 1.832 1.433
H7 -0.110 1.832 -1.433
H8 -0.892 -1.088 1.399
H9 -0.892 -1.088 -1.399
H10 1.869 -0.468 0.000
H11 1.028 -2.109 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.35281.52452.09452.49101.09162.25122.35103.05152.71373.4906
C21.35282.09451.52452.49102.25121.09163.05152.35102.71373.4906
C31.52452.09451.52491.52192.39443.17841.08922.33492.26972.2307
C42.09451.52451.52491.52193.17842.39442.33491.08922.26972.2307
C52.49102.49101.52191.52193.35383.35382.29422.29421.09321.0952
H61.09162.25122.39443.17843.35382.86523.02304.14163.35534.3446
H72.25121.09163.17842.39443.35382.86524.14163.02303.35534.3446
H82.35103.05151.08922.33492.29423.02304.14162.79723.15702.5856
H93.05152.35102.33491.08922.29424.14163.02302.79723.15702.5856
H102.71372.71372.26972.26971.09323.35533.35533.15703.15701.8442
H113.49063.49062.23072.23071.09524.34464.34462.58562.58561.8442

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 93.226 C1 C2 H7 133.810
C1 C3 C4 86.774 C1 C3 C5 109.811
C1 C3 H8 127.348 C2 C1 C3 93.226
C2 C1 H6 133.810 C2 C4 C3 86.774
C2 C4 C5 109.811 C2 C4 H9 127.348
C3 C1 H6 131.783 C3 C4 C5 59.936
C3 C4 H9 125.857 C3 C5 C4 60.128
C3 C5 H10 119.508 C3 C5 H11 116.026
C4 C2 H7 131.783 C4 C3 C5 59.936
C4 C3 H8 125.857 C4 C5 H10 119.508
C4 C5 H11 116.026 C5 C3 H8 122.005
C5 C4 H9 122.005 H10 C5 H11 114.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.117      
3 C -0.158      
4 C -0.158      
5 C -0.309      
6 H 0.127      
7 H 0.127      
8 H 0.148      
9 H 0.148      
10 H 0.158      
11 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.150 -0.376 0.000 0.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.766 0.822 0.000
y 0.822 -27.928 0.000
z 0.000 0.000 -29.360
Traceless
 xyz
x -2.122 0.822 0.000
y 0.822 2.135 0.000
z 0.000 0.000 -0.013
Polar
3z2-r2-0.026
x2-y2-2.838
xy0.822
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.409 -0.436 0.000
y -0.436 7.863 0.000
z 0.000 0.000 7.208


<r2> (average value of r2) Å2
<r2> 87.871
(<r2>)1/2 9.374