return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H6 (Propellane)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-192.619267
Energy at 298.15K-192.625556
HF Energy-192.456488
Nuclear repulsion energy160.211979
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 B2PLYP/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3187 3187 0.00      
2 A1' 1577 1577 0.00      
3 A1' 1032 1032 0.00      
4 A1' 932 932 0.00      
5 A1" 960 960 0.00      
6 A2' 3273 3273 0.00      
7 A2' 958 958 0.00      
8 A2" 1172 1172 58.69      
9 A2" 504 504 71.65      
10 E' 3278 3278 6.33      
10 E' 3278 3278 6.33      
11 E' 3182 3182 12.16      
11 E' 3182 3182 12.17      
12 E' 1532 1532 5.32      
12 E' 1532 1532 5.31      
13 E' 1173 1173 0.00      
13 E' 1173 1173 0.00      
14 E' 1054 1054 1.20      
14 E' 1054 1054 1.20      
15 E' 548 548 0.14      
15 E' 548 548 0.14      
16 E" 1168 1168 0.00      
16 E" 1168 1168 0.00      
17 E" 1130 1130 0.00      
17 E" 1130 1130 0.00      
18 E" 657 657 0.00      
18 E" 657 657 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20518.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20518.1 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 B2PLYP/3-21G*
ABC
0.27449 0.27449 0.19050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.311 0.000
C2 0.000 0.000 0.846
C3 1.135 -0.656 0.000
C4 -1.135 -0.656 0.000
C5 0.000 0.000 -0.846
H6 0.918 1.886 0.000
H7 -0.918 1.886 0.000
H8 1.174 -1.738 0.000
H9 2.092 -0.148 0.000
H10 -2.092 -0.148 0.000
H11 -1.174 -1.738 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.56032.27102.27101.56031.08321.08323.26752.55072.55073.2675
C21.56031.56031.56031.69152.26162.26162.26162.26162.26162.2616
C32.27101.56032.27101.56032.55073.26751.08321.08323.26752.5507
C42.27101.56032.27101.56033.26752.55072.55073.26751.08321.0832
C51.56031.69151.56031.56032.26162.26162.26162.26162.26162.2616
H61.08322.26162.55073.26752.26161.83643.63302.34833.63304.1846
H71.08322.26163.26752.55072.26161.83644.18463.63302.34833.6330
H83.26752.26161.08322.55072.26163.63304.18461.83643.63302.3483
H92.55072.26161.08323.26752.26162.34833.63301.83644.18463.6330
H102.55072.26163.26751.08322.26163.63302.34833.63304.18461.8364
H113.26752.26162.55071.08322.26164.18463.63302.34833.63301.8364

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 93.396 C1 C2 C4 93.396
C1 C2 C5 57.175 C1 C5 C2 57.175
C1 C5 C3 93.396 C1 C5 C4 93.396
C2 C1 C5 65.649 C2 C1 H6 116.478
C2 C1 H7 116.478 C2 C3 C5 65.649
C2 C3 H8 116.478 C2 C3 H9 116.478
C2 C4 C5 65.649 C2 C4 H10 116.478
C2 C4 H11 116.478 C3 C2 C4 93.396
C3 C2 C5 57.175 C3 C5 C4 93.396
C4 C2 C5 57.175 C5 C1 H6 116.478
C5 C1 H7 116.478 C5 C3 H8 116.478
C5 C3 H9 116.478 C5 C4 H10 116.478
C5 C4 H11 116.478 H6 C1 H7 115.912
H8 C3 H9 115.912 H10 C4 H11 115.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.345      
2 C -0.135      
3 C -0.345      
4 C -0.345      
5 C -0.135      
6 H 0.217      
7 H 0.217      
8 H 0.217      
9 H 0.217      
10 H 0.217      
11 H 0.217      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.015 0.000 0.000
y 0.000 -28.015 0.000
z 0.000 0.000 -37.373
Traceless
 xyz
x 4.679 0.000 0.000
y 0.000 4.679 0.000
z 0.000 0.000 -9.358
Polar
3z2-r2-18.715
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.923 0.000 0.000
y 0.000 6.923 0.000
z 0.000 0.000 5.454


<r2> (average value of r2) Å2
<r2> 85.372
(<r2>)1/2 9.240