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All results from a given calculation for C5H6 (Propellane)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-193.506095
Energy at 298.15K-193.512609
HF Energy-192.711931
Nuclear repulsion energy163.657851
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 MP2/6-31G(2df,p)
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' 3186 3010 0.00      
2 A1' 1549 1463 0.00      
3 A1' 1155 1091 0.00      
4 A1' 925 874 0.00      
5 A1" 927 876 0.00      
6 A2' 3282 3100 0.00      
7 A2' 961 908 0.00      
8 A2" 1137 1074 25.48      
9 A2" 679 642 94.25      
10 E' 3284 3102 4.77      
10 E' 3284 3102 4.77      
11 E' 3184 3007 12.79      
11 E' 3184 3007 12.79      
12 E' 1498 1415 2.66      
12 E' 1498 1415 2.66      
13 E' 1234 1165 2.06      
13 E' 1234 1165 2.06      
14 E' 1119 1057 0.63      
14 E' 1119 1057 0.63      
15 E' 534 505 0.12      
15 E' 534 505 0.12      
16 E" 1168 1103 0.00      
16 E" 1168 1103 0.00      
17 E" 1085 1025 0.00      
17 E" 1085 1025 0.00      
18 E" 779 736 0.00      
18 E" 779 736 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20786.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 19632.3 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 MP2/6-31G(2df,p)
ABC
0.28846 0.28846 0.19565

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.290 0.000
C2 0.000 0.000 0.800
C3 1.117 -0.645 0.000
C4 -1.117 -0.645 0.000
C5 0.000 0.000 -0.800
H6 0.917 1.869 0.000
H7 -0.917 1.869 0.000
H8 1.160 -1.729 0.000
H9 2.078 -0.140 0.000
H10 -2.078 -0.140 0.000
H11 -1.160 -1.729 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51822.23502.23501.51821.08481.08483.23472.52252.52253.2347
C21.51821.51821.51821.60012.23072.23072.23072.23072.23072.2307
C32.23501.51822.23501.51822.52253.23471.08481.08483.23472.5225
C42.23501.51822.23501.51823.23472.52252.52253.23471.08481.0848
C51.51821.60011.51821.51822.23072.23072.23072.23072.23072.2307
H61.08482.23072.52253.23472.23071.83483.60672.32043.60674.1552
H71.08482.23073.23472.52252.23071.83484.15523.60672.32043.6067
H83.23472.23071.08482.52252.23073.60674.15521.83483.60672.3204
H92.52252.23071.08483.23472.23072.32043.60671.83484.15523.6067
H102.52252.23073.23471.08482.23073.60672.32043.60674.15521.8348
H113.23472.23072.52251.08482.23074.15523.60672.32043.60671.8348

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.790 C1 C2 C4 94.790
C1 C2 C5 58.201 C1 C5 C2 58.201
C1 C5 C3 94.790 C1 C5 C4 94.790
C2 C1 C5 63.598 C2 C1 H6 116.974
C2 C1 H7 116.974 C2 C3 C5 63.598
C2 C3 H8 116.974 C2 C3 H9 116.974
C2 C4 C5 63.598 C2 C4 H10 116.974
C2 C4 H11 116.974 C3 C2 C4 94.790
C3 C2 C5 58.201 C3 C5 C4 94.790
C4 C2 C5 58.201 C5 C1 H6 116.974
C5 C1 H7 116.974 C5 C3 H8 116.974
C5 C3 H9 116.974 C5 C4 H10 116.974
C5 C4 H11 116.974 H6 C1 H7 115.488
H8 C3 H9 115.488 H10 C4 H11 115.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability