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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-193.949640
Energy at 298.15K-193.955890
Nuclear repulsion energy160.558734
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 B1B95/cc-pVDZ
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 3109 5.38      
2 A 3225 3100 40.18      
3 A 3215 3090 0.37      
4 A 3115 2994 28.31      
5 A 1633 1570 5.15      
6 A 1447 1391 2.05      
7 A 1312 1261 1.09      
8 A 1210 1163 1.00      
9 A 1103 1060 1.64      
10 A 1025 985 2.03      
11 A 962 925 3.99      
12 A 899 864 2.84      
13 A 798 767 0.18      
14 A 736 707 58.94      
15 A 415 399 5.15      
16 A 3216 3091 15.84      
17 A 3195 3071 5.06      
18 A 1314 1263 20.68      
19 A 1200 1153 0.11      
20 A 1072 1030 3.91      
21 A 1036 996 0.01      
22 A 1026 987 4.75      
23 A 959 922 1.70      
24 A 897 862 8.49      
25 A 825 793 8.35      
26 A 792 762 26.47      
27 A 454 436 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 20157.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19375.2 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 B1B95/cc-pVDZ
ABC
0.36359 0.21891 0.17568

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.268 1.049 0.672
C2 -0.268 1.049 -0.672
C3 -0.268 -0.462 0.758
C4 -0.268 -0.462 -0.758
C5 0.925 -0.998 0.000
H6 -0.129 1.824 1.427
H7 -0.129 1.824 -1.427
H8 -0.881 -1.093 1.399
H9 -0.881 -1.093 -1.399
H10 1.856 -0.426 0.000
H11 1.043 -2.086 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.34371.51322.07982.46241.09122.24192.34363.04162.67173.4635
C21.34372.07981.51322.46242.24191.09123.04162.34362.67173.4635
C31.51322.07981.51521.51152.38613.16521.08882.32902.25532.2202
C42.07981.51321.51521.51153.16522.38612.32901.08882.25532.2202
C52.46242.46241.51151.51153.33353.33352.28652.28651.09251.0944
H61.09122.24192.38613.16523.33352.85433.01274.13053.32294.3242
H72.24191.09123.16522.38613.33352.85434.13053.01273.32294.3242
H82.34363.04161.08882.32902.28653.01274.13052.79753.14542.5774
H93.04162.34362.32901.08882.28654.13053.01272.79753.14542.5774
H102.67172.67172.25532.25531.09253.32293.32293.14543.14541.8484
H113.46353.46352.22022.22021.09444.32424.32422.57742.57741.8484

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 93.249 C1 C2 H7 133.801
C1 C3 C4 86.751 C1 C3 C5 109.002
C1 C3 H8 127.750 C2 C1 C3 93.249
C2 C1 H6 133.801 C2 C4 C3 86.751
C2 C4 C5 109.002 C2 C4 H9 127.750
C3 C1 H6 132.076 C3 C4 C5 59.918
C3 C4 H9 126.073 C3 C5 C4 60.164
C3 C5 H10 119.143 C3 C5 H11 115.935
C4 C2 H7 132.076 C4 C3 C5 59.918
C4 C3 H8 126.073 C4 C5 H10 119.143
C4 C5 H11 115.935 C5 C3 H8 122.282
C5 C4 H9 122.282 H10 C5 H11 115.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.016      
2 C 0.016      
3 C -0.060      
4 C -0.060      
5 C 0.050      
6 H -0.014      
7 H -0.014      
8 H 0.002      
9 H 0.002      
10 H 0.030      
11 H 0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.134 -0.387 0.000 0.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.198 0.737 0.000
y 0.737 -28.220 0.000
z 0.000 0.000 -29.547
Traceless
 xyz
x -2.315 0.737 0.000
y 0.737 2.153 0.000
z 0.000 0.000 0.162
Polar
3z2-r20.325
x2-y2-2.979
xy0.737
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.725 -0.426 0.000
y -0.426 7.967 0.000
z 0.000 0.000 7.473


<r2> (average value of r2) Å2
<r2> 87.102
(<r2>)1/2 9.333