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: MP2=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-193.555171
Energy at 298.15K-193.561684
HF Energy-192.746048
Nuclear repulsion energy163.932904
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 MP2=FULL/TZVP
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' 3176 3026 0.00      
2 A1' 1565 1491 0.00      
3 A1' 1149 1095 0.00      
4 A1' 912 868 0.00      
5 A1" 934 890 0.00      
6 A2' 3271 3116 0.00      
7 A2' 983 937 0.00      
8 A2" 1133 1079 32.65      
9 A2" 658 627 97.01      
10 E' 3274 3119 9.02      
10 E' 3274 3119 9.02      
11 E' 3172 3022 17.37      
11 E' 3172 3022 17.37      
12 E' 1516 1444 2.64      
12 E' 1516 1444 2.64      
13 E' 1232 1173 1.41      
13 E' 1232 1173 1.41      
14 E' 1121 1068 0.55      
14 E' 1121 1068 0.55      
15 E' 543 518 0.15      
15 E' 543 518 0.15      
16 E" 1161 1106 0.00      
16 E" 1161 1106 0.00      
17 E" 1085 1033 0.00      
17 E" 1085 1033 0.00      
18 E" 757 721 0.00      
18 E" 757 721 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20750.5 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 19769.0 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 MP2=FULL/TZVP
ABC
0.28945 0.28945 0.19618

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.289 0.000
C2 0.000 0.000 0.798
C3 1.116 -0.644 0.000
C4 -1.116 -0.644 0.000
C5 0.000 0.000 -0.798
H6 0.917 1.865 0.000
H7 -0.917 1.865 0.000
H8 1.157 -1.726 0.000
H9 2.074 -0.139 0.000
H10 -2.074 -0.139 0.000
H11 -1.157 -1.726 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51582.23252.23251.51581.08281.08283.22992.51792.51793.2299
C21.51581.51581.51581.59552.22632.22632.22632.22632.22632.2263
C32.23251.51582.23251.51582.51793.22991.08281.08283.22992.5179
C42.23251.51582.23251.51583.22992.51792.51793.22991.08281.0828
C51.51581.59551.51581.51582.22632.22632.22632.22632.22632.2263
H61.08282.22632.51793.22992.22631.83313.60002.31463.60004.1476
H71.08282.22633.22992.51792.22631.83314.14763.60002.31463.6000
H83.22992.22631.08282.51792.22633.60004.14761.83313.60002.3146
H92.51792.22631.08283.22992.22632.31463.60001.83314.14773.6000
H102.51792.22633.22991.08282.22633.60002.31463.60004.14771.8331
H113.22992.22632.51791.08282.22634.14763.60002.31463.60001.8331

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.849 C1 C2 C4 94.849
C1 C2 C5 58.245 C1 C5 C2 58.245
C1 C5 C3 94.849 C1 C5 C4 94.849
C2 C1 C5 63.510 C2 C1 H6 116.921
C2 C1 H7 116.921 C2 C3 C5 63.510
C2 C3 H8 116.921 C2 C3 H9 116.921
C2 C4 C5 63.510 C2 C4 H10 116.921
C2 C4 H11 116.921 C3 C2 C4 94.849
C3 C2 C5 58.245 C3 C5 C4 94.849
C4 C2 C5 58.245 C5 C1 H6 116.921
C5 C1 H7 116.921 C5 C3 H8 116.921
C5 C3 H9 116.921 C5 C4 H10 116.921
C5 C4 H11 116.921 H6 C1 H7 115.656
H8 C3 H9 115.656 H10 C4 H11 115.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability