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: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-193.491657
Energy at 298.15K-193.498168
HF Energy-192.733508
Nuclear repulsion energy163.234383
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 QCISD/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 A1' 3155 3010 0.00      
2 A1' 1568 1496 0.00      
3 A1' 1169 1115 0.00      
4 A1' 926 883 0.00      
5 A1" 937 894 0.00      
6 A2' 3237 3088 0.00      
7 A2' 979 934 0.00      
8 A2" 1150 1097 22.51      
9 A2" 636 607 125.28      
10 E' 3241 3092 12.53      
10 E' 3241 3092 12.53      
11 E' 3150 3005 21.72      
11 E' 3150 3005 21.72      
12 E' 1521 1451 1.29      
12 E' 1521 1451 1.29      
13 E' 1247 1190 1.72      
13 E' 1247 1190 1.72      
14 E' 1124 1072 1.05      
14 E' 1124 1072 1.05      
15 E' 539 514 0.23      
15 E' 539 514 0.23      
16 E" 1173 1119 0.00      
16 E" 1173 1119 0.00      
17 E" 1100 1050 0.00      
17 E" 1100 1050 0.00      
18 E" 755 720 0.00      
18 E" 755 720 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20728.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 19776.7 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 QCISD/6-311G**
ABC
0.28713 0.28713 0.19372

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.297 0.000
C2 0.000 0.000 0.796
C3 1.123 -0.649 0.000
C4 -1.123 -0.649 0.000
C5 0.000 0.000 -0.796
H6 0.919 1.879 0.000
H7 -0.919 1.879 0.000
H8 1.168 -1.735 0.000
H9 2.087 -0.144 0.000
H10 -2.087 -0.144 0.000
H11 -1.168 -1.735 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.52172.24652.24651.52171.08781.08783.24962.53602.53603.2496
C21.52171.52171.52171.59162.23812.23812.23822.23822.23822.2382
C32.24651.52172.24651.52172.53603.24961.08781.08783.24962.5360
C42.24651.52172.24651.52173.24962.53602.53603.24961.08781.0878
C51.52171.59161.52171.52172.23812.23812.23822.23822.23822.2382
H61.08782.23812.53603.24962.23811.83783.62332.33613.62334.1739
H71.08782.23813.24962.53602.23811.83784.17393.62332.33613.6233
H83.24962.23821.08782.53602.23823.62334.17391.83783.62332.3361
H92.53602.23821.08783.24962.23822.33613.62331.83784.17393.6233
H102.53602.23823.24961.08782.23823.62332.33613.62334.17391.8378
H113.24962.23822.53601.08782.23824.17393.62332.33613.62331.8378

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.149 C1 C2 C4 95.149
C1 C2 C5 58.468 C1 C5 C2 58.468
C1 C5 C3 95.149 C1 C5 C4 95.149
C2 C1 C5 63.064 C2 C1 H6 117.144
C2 C1 H7 117.144 C2 C3 C5 63.064
C2 C3 H8 117.144 C2 C3 H9 117.144
C2 C4 C5 63.064 C2 C4 H10 117.144
C2 C4 H11 117.144 C3 C2 C4 95.149
C3 C2 C5 58.468 C3 C5 C4 95.149
C4 C2 C5 58.468 C5 C1 H6 117.144
C5 C1 H7 117.144 C5 C3 H8 117.144
C5 C3 H9 117.144 C5 C4 H10 117.144
C5 C4 H11 117.144 H6 C1 H7 115.278
H8 C3 H9 115.278 H10 C4 H11 115.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability