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-193.446024
Energy at 298.15K-193.452520
HF Energy-192.723683
Nuclear repulsion energy163.177296
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' 3142 3008 0.00      
2 A1' 1567 1501 0.00      
3 A1' 1171 1121 0.00      
4 A1' 928 889 0.00      
5 A1" 934 894 0.00      
6 A2' 3221 3084 0.00      
7 A2' 978 936 0.00      
8 A2" 1140 1092 28.29      
9 A2" 637 610 129.49      
10 E' 3226 3088 13.71      
10 E' 3226 3088 13.71      
11 E' 3136 3002 22.91      
11 E' 3136 3002 22.91      
12 E' 1520 1455 2.66      
12 E' 1520 1455 2.66      
13 E' 1247 1193 1.59      
13 E' 1247 1193 1.59      
14 E' 1121 1074 1.49      
14 E' 1121 1074 1.49      
15 E' 545 521 0.12      
15 E' 545 521 0.12      
16 E" 1170 1121 0.00      
16 E" 1170 1121 0.00      
17 E" 1092 1046 0.00      
17 E" 1092 1046 0.00      
18 E" 752 720 0.00      
18 E" 752 720 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20667.2 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 19786.8 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
0.28695 0.28695 0.19351

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 0.918 1.883 0.000
H7 -0.918 1.883 0.000
H8 1.172 -1.736 0.000
H9 2.090 -0.147 0.000
H10 -2.090 -0.147 0.000
H11 -1.172 -1.736 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.52182.24692.24691.52181.08871.08873.25202.54012.54013.2520
C21.52181.52181.52181.59112.24082.24082.24082.24082.24082.2408
C32.24691.52182.24691.52182.54013.25201.08871.08873.25202.5401
C42.24691.52182.24691.52183.25202.54012.54013.25201.08871.0887
C51.52181.59111.52181.52182.24082.24082.24082.24082.24082.2408
H61.08872.24082.54013.25202.24081.83543.62832.34393.62834.1793
H71.08872.24083.25202.54012.24081.83544.17933.62832.34393.6283
H83.25202.24081.08872.54012.24083.62834.17931.83543.62832.3439
H92.54012.24081.08873.25202.24082.34393.62831.83544.17933.6283
H102.54012.24083.25201.08872.24083.62832.34393.62834.17931.8354
H113.25202.24082.54011.08872.24084.17933.62832.34393.62831.8354

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.166 C1 C2 C4 95.166
C1 C2 C5 58.481 C1 C5 C2 58.481
C1 C5 C3 95.166 C1 C5 C4 95.166
C2 C1 C5 63.038 C2 C1 H6 117.304
C2 C1 H7 117.304 C2 C3 C5 63.038
C2 C3 H8 117.304 C2 C3 H9 117.304
C2 C4 C5 63.038 C2 C4 H10 117.304
C2 C4 H11 117.304 C3 C2 C4 95.166
C3 C2 C5 58.481 C3 C5 C4 95.166
C4 C2 C5 58.481 C5 C1 H6 117.304
C5 C1 H7 117.304 C5 C3 H8 117.304
C5 C3 H9 117.304 C5 C4 H10 117.304
C5 C4 H11 117.304 H6 C1 H7 114.892
H8 C3 H9 114.892 H10 C4 H11 114.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability