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: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-192.702985
Energy at 298.15K-192.709345
HF Energy-192.702985
Nuclear repulsion energy161.325281
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 HSEh1PBE/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 3059 0.00      
2 A1' 1557 1495 0.00      
3 A1' 1075 1032 0.00      
4 A1' 946 908 0.00      
5 A1" 953 915 0.00      
6 A2' 3278 3147 0.00      
7 A2' 945 907 0.00      
8 A2" 1156 1110 67.49      
9 A2" 525 504 86.34      
10 E' 3282 3150 3.63      
10 E' 3282 3150 3.63      
11 E' 3184 3056 10.25      
11 E' 3184 3056 10.25      
12 E' 1508 1448 8.55      
12 E' 1508 1448 8.55      
13 E' 1187 1139 0.05      
13 E' 1187 1139 0.05      
14 E' 1087 1043 2.03      
14 E' 1087 1043 2.03      
15 E' 550 528 0.13      
15 E' 550 528 0.13      
16 E" 1175 1128 0.00      
16 E" 1175 1128 0.00      
17 E" 1120 1075 0.00      
17 E" 1120 1075 0.00      
18 E" 698 670 0.00      
18 E" 698 670 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20601.3 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 19775.2 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 HSEh1PBE/3-21G*
ABC
0.27921 0.27921 0.19156

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.307 0.000
C2 0.000 0.000 0.826
C3 1.132 -0.653 0.000
C4 -1.132 -0.653 0.000
C5 0.000 0.000 -0.826
H6 0.921 1.881 0.000
H7 -0.921 1.881 0.000
H8 1.169 -1.738 0.000
H9 2.089 -0.143 0.000
H10 -2.089 -0.143 0.000
H11 -1.169 -1.738 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.54602.26362.26361.54601.08501.08503.26122.54312.54313.2612
C21.54601.54601.54601.65212.25122.25122.25122.25122.25122.2512
C32.26361.54602.26361.54602.54313.26121.08501.08503.26122.5431
C42.26361.54602.26361.54603.26122.54312.54313.26121.08501.0850
C51.54601.65211.54601.54602.25122.25122.25122.25122.25122.2512
H61.08502.25122.54313.26122.25121.84133.62712.33713.62714.1785
H71.08502.25123.26122.54312.25121.84134.17853.62712.33713.6271
H83.26122.25121.08502.54312.25123.62714.17851.84133.62712.3371
H92.54312.25121.08503.26122.25122.33713.62711.84134.17853.6271
H102.54312.25123.26121.08502.25123.62712.33713.62714.17851.8413
H113.26122.25122.54311.08502.25124.17853.62712.33713.62711.8413

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.117 C1 C2 C4 94.117
C1 C2 C5 57.704 C1 C5 C2 57.704
C1 C5 C3 94.117 C1 C5 C4 94.117
C2 C1 C5 64.592 C2 C1 H6 116.566
C2 C1 H7 116.566 C2 C3 C5 64.592
C2 C3 H8 116.566 C2 C3 H9 116.566
C2 C4 C5 64.592 C2 C4 H10 116.566
C2 C4 H11 116.566 C3 C2 C4 94.117
C3 C2 C5 57.704 C3 C5 C4 94.117
C4 C2 C5 57.704 C5 C1 H6 116.566
C5 C1 H7 116.566 C5 C3 H8 116.566
C5 C3 H9 116.566 C5 C4 H10 116.566
C5 C4 H11 116.566 H6 C1 H7 116.115
H8 C3 H9 116.115 H10 C4 H11 116.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 C -0.135      
3 C -0.401      
4 C -0.401      
5 C -0.135      
6 H 0.245      
7 H 0.245      
8 H 0.245      
9 H 0.245      
10 H 0.245      
11 H 0.245      


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 -27.383 0.000 0.000
y 0.000 -27.383 0.000
z 0.000 0.000 -37.418
Traceless
 xyz
x 5.018 0.000 0.000
y 0.000 5.018 0.000
z 0.000 0.000 -10.035
Polar
3z2-r2-20.070
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 6.915 0.000 0.000
y 0.000 6.915 0.000
z 0.000 0.000 5.494


<r2> (average value of r2) Å2
<r2> 84.434
(<r2>)1/2 9.189