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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-193.665943
Energy at 298.15K-193.672467
HF Energy-192.755267
Nuclear repulsion energy164.562607
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3185 3024 0.00      
2 A1' 1552 1473 0.00      
3 A1' 1165 1106 0.00      
4 A1' 931 883 0.00      
5 A1" 931 883 0.00      
6 A2' 3263 3098 0.00      
7 A2' 965 916 0.00      
8 A2" 1133 1076 32.75      
9 A2" 671 637 97.24      
10 E' 3265 3100 5.91      
10 E' 3265 3100 5.91      
11 E' 3183 3022 14.73      
11 E' 3183 3022 14.73      
12 E' 1506 1429 3.93      
12 E' 1506 1429 3.93      
13 E' 1233 1171 2.10      
13 E' 1233 1171 2.10      
14 E' 1119 1063 0.36      
14 E' 1119 1063 0.36      
15 E' 533 506 0.16      
15 E' 533 506 0.16      
16 E" 1166 1107 0.00      
16 E" 1166 1107 0.00      
17 E" 1084 1030 0.00      
17 E" 1084 1030 0.00      
18 E" 772 733 0.00      
18 E" 772 733 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20757.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 19707.2 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 MP2=FULL/cc-pVTZ
ABC
0.29175 0.29175 0.19712

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.287 0.000
C2 0.000 0.000 0.791
C3 1.114 -0.643 0.000
C4 -1.114 -0.643 0.000
C5 0.000 0.000 -0.791
H6 0.914 1.858 0.000
H7 -0.914 1.858 0.000
H8 1.152 -1.720 0.000
H9 2.066 -0.138 0.000
H10 -2.066 -0.138 0.000
H11 -1.152 -1.720 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51042.22852.22851.51041.07771.07773.22022.50952.50953.2202
C21.51041.51041.51041.58222.21662.21662.21662.21662.21662.2166
C32.22851.51042.22851.51042.50953.22021.07771.07773.22022.5095
C42.22851.51042.22851.51043.22022.50952.50953.22021.07771.0777
C51.51041.58221.51041.51042.21662.21662.21662.21662.21662.2166
H61.07772.21662.50953.22022.21661.82743.58652.30473.58654.1321
H71.07772.21663.22022.50952.21661.82744.13213.58652.30473.5865
H83.22022.21661.07772.50952.21663.58654.13211.82743.58652.3047
H92.50952.21661.07773.22022.21662.30473.58651.82744.13213.5865
H102.50952.21663.22021.07772.21663.58652.30473.58654.13211.8274
H113.22022.21662.50951.07772.21664.13213.58652.30473.58651.8274

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.076 C1 C2 C4 95.076
C1 C2 C5 58.414 C1 C5 C2 58.414
C1 C5 C3 95.076 C1 C5 C4 95.076
C2 C1 C5 63.172 C2 C1 H6 116.856
C2 C1 H7 116.856 C2 C3 C5 63.172
C2 C3 H8 116.856 C2 C3 H9 116.856
C2 C4 C5 63.172 C2 C4 H10 116.856
C2 C4 H11 116.856 C3 C2 C4 95.076
C3 C2 C5 58.414 C3 C5 C4 95.076
C4 C2 C5 58.414 C5 C1 H6 116.856
C5 C1 H7 116.856 C5 C3 H8 116.856
C5 C3 H9 116.856 C5 C4 H10 116.856
C5 C4 H11 116.856 H6 C1 H7 115.947
H8 C3 H9 115.947 H10 C4 H11 115.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability