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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-193.815082
Energy at 298.15K-193.821203
Nuclear repulsion energy159.594501
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 PBEPBE/6-311G**
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 3138 3110 3.85      
2 A 3130 3102 52.58      
3 A 3117 3089 3.29      
4 A 3025 2998 35.93      
5 A 1555 1541 4.86      
6 A 1420 1407 2.89      
7 A 1256 1245 1.30      
8 A 1169 1158 1.28      
9 A 1077 1067 2.12      
10 A 1005 996 1.99      
11 A 937 928 4.11      
12 A 843 835 2.92      
13 A 781 774 0.33      
14 A 711 704 67.10      
15 A 407 403 6.63      
16 A 3124 3096 19.29      
17 A 3100 3072 9.18      
18 A 1267 1256 23.41      
19 A 1173 1162 0.05      
20 A 1040 1030 6.09      
21 A 1005 996 0.01      
22 A 997 988 6.39      
23 A 925 916 1.79      
24 A 856 848 8.21      
25 A 802 795 4.95      
26 A 767 760 30.44      
27 A 439 435 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 19532.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19354.8 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 PBEPBE/6-311G**
ABC
0.35985 0.21592 0.17313

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.269 1.057 0.676
C2 -0.269 1.057 -0.676
C3 -0.269 -0.462 0.764
C4 -0.269 -0.462 -0.764
C5 0.929 -1.011 0.000
H6 -0.125 1.831 1.433
H7 -0.125 1.831 -1.433
H8 -0.887 -1.093 1.403
H9 -0.887 -1.093 -1.403
H10 1.867 -0.447 0.000
H11 1.040 -2.102 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.35141.52202.09322.48411.09232.25062.35273.05412.69823.4856
C21.35142.09321.52202.48412.25061.09233.05412.35272.69823.4856
C31.52202.09321.52801.52352.39343.17911.09012.34012.26832.2327
C42.09321.52201.52801.52353.17912.39342.34011.09012.26832.2327
C52.48412.48411.52351.52353.35323.35322.29652.29651.09411.0962
H61.09232.25062.39343.17913.35322.86543.02234.14433.34814.3450
H72.25061.09233.17912.39343.35322.86544.14433.02233.34814.3450
H82.35273.05411.09012.34012.29653.02234.14432.80613.15732.5881
H93.05412.35272.34011.09012.29654.14433.02232.80613.15732.5881
H102.69822.69822.26832.26831.09413.34813.34813.15733.15731.8499
H113.48563.48562.23272.23271.09624.34504.34502.58812.58811.8499

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 93.327 C1 C2 H7 133.873
C1 C3 C4 86.673 C1 C3 C5 109.307
C1 C3 H8 127.724 C2 C1 C3 93.327
C2 C1 H6 133.873 C2 C4 C3 86.673
C2 C4 C5 109.307 C2 C4 H9 127.724
C3 C1 H6 131.858 C3 C4 C5 59.902
C3 C4 H9 125.891 C3 C5 C4 60.196
C3 C5 H10 119.214 C3 C5 H11 115.966
C4 C2 H7 131.858 C4 C3 C5 59.902
C4 C3 H8 125.891 C4 C5 H10 119.214
C4 C5 H11 115.966 C5 C3 H8 122.091
C5 C4 H9 122.091 H10 C5 H11 115.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C -0.078      
3 C -0.167      
4 C -0.167      
5 C -0.193      
6 H 0.091      
7 H 0.091      
8 H 0.122      
9 H 0.122      
10 H 0.131      
11 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.419 0.000 0.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.582 0.834 0.000
y 0.834 -28.447 0.000
z 0.000 0.000 -29.934
Traceless
 xyz
x -2.391 0.834 0.000
y 0.834 2.312 0.000
z 0.000 0.000 0.080
Polar
3z2-r20.160
x2-y2-3.135
xy0.834
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.205 -0.487 0.000
y -0.487 8.444 0.000
z 0.000 0.000 7.787


<r2> (average value of r2) Å2
<r2> 88.171
(<r2>)1/2 9.390