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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-194.029972
Energy at 298.15K-194.036273
Nuclear repulsion energy160.763155
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 mPW1PW91/6-311G**
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 3234 3094 5.36      
2 A 3225 3086 42.23      
3 A 3211 3072 3.18      
4 A 3118 2983 31.52      
5 A 1624 1554 5.44      
6 A 1477 1413 2.99      
7 A 1314 1258 1.17      
8 A 1216 1163 1.10      
9 A 1117 1069 2.13      
10 A 1041 996 2.04      
11 A 972 930 4.44      
12 A 891 852 3.00      
13 A 814 778 0.19      
14 A 746 714 72.14      
15 A 425 407 6.88      
16 A 3217 3077 17.68      
17 A 3197 3058 5.57      
18 A 1323 1266 24.12      
19 A 1223 1171 0.04      
20 A 1088 1041 4.99      
21 A 1049 1004 0.07      
22 A 1045 1000 7.65      
23 A 965 923 3.63      
24 A 908 868 8.30      
25 A 836 800 4.56      
26 A 797 763 33.37      
27 A 459 439 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 20266.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19388.6 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 mPW1PW91/6-311G**
ABC
0.36569 0.21874 0.17560

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.267 1.051 0.669
C2 -0.267 1.051 -0.669
C3 -0.267 -0.461 0.758
C4 -0.267 -0.461 -0.758
C5 0.924 -1.003 0.000
H6 -0.133 1.820 1.420
H7 -0.133 1.820 -1.420
H8 -0.879 -1.085 1.394
H9 -0.879 -1.085 -1.394
H10 1.853 -0.443 0.000
H11 1.035 -2.085 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.33871.51452.07902.46671.08322.23062.33683.03202.67773.4606
C21.33872.07901.51452.46672.23061.08323.03202.33682.67773.4606
C31.51452.07901.51541.51172.37913.15661.08132.32262.25082.2150
C42.07901.51451.51541.51173.15662.37912.32261.08132.25082.2150
C52.46672.46671.51171.51173.33243.33242.28062.28061.08511.0872
H61.08322.23062.37913.15663.33242.84012.99924.11273.32854.3162
H72.23061.08323.15662.37913.33242.84014.11272.99923.32854.3162
H82.33683.03201.08132.32262.28062.99924.11272.78833.13362.5711
H93.03202.33682.32261.08132.28064.11272.99922.78833.13362.5711
H102.67772.67772.25082.25081.08513.32853.32853.13363.13361.8343
H113.46063.46062.21502.21501.08724.31624.31622.57112.57111.8343

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 93.344 C1 C2 H7 133.873
C1 C3 C4 86.656 C1 C3 C5 109.202
C1 C3 H8 127.589 C2 C1 C3 93.344
C2 C1 H6 133.873 C2 C4 C3 86.656
C2 C4 C5 109.202 C2 C4 H9 127.589
C3 C1 H6 131.956 C3 C4 C5 59.918
C3 C4 H9 126.058 C3 C5 C4 60.164
C3 C5 H10 119.261 C3 C5 H11 115.963
C4 C2 H7 131.956 C4 C3 C5 59.918
C4 C3 H8 126.058 C4 C5 H10 119.261
C4 C5 H11 115.963 C5 C3 H8 122.298
C5 C4 H9 122.298 H10 C5 H11 115.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C -0.083      
3 C -0.178      
4 C -0.178      
5 C -0.193      
6 H 0.097      
7 H 0.097      
8 H 0.127      
9 H 0.127      
10 H 0.136      
11 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.147 -0.388 0.000 0.415
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.348 0.811 0.000
y 0.811 -28.114 0.000
z 0.000 0.000 -29.597
Traceless
 xyz
x -2.493 0.811 0.000
y 0.811 2.358 0.000
z 0.000 0.000 0.134
Polar
3z2-r20.269
x2-y2-3.234
xy0.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.991 -0.468 0.000
y -0.468 7.991 0.000
z 0.000 0.000 7.594


<r2> (average value of r2) Å2
<r2> 87.003
(<r2>)1/2 9.328