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All results from a given calculation for C5H6 (Propellane)

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-193.531916
Energy at 298.15K-193.538434
HF Energy-192.712691
Nuclear repulsion energy163.742809
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/6-31G(2df,p)
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' 3182 3015 0.00      
2 A1' 1564 1482 0.00      
3 A1' 1173 1111 0.00      
4 A1' 940 890 0.00      
5 A1" 939 889 0.00      
6 A2' 3265 3093 0.00      
7 A2' 969 918 0.00      
8 A2" 1152 1091 17.06      
9 A2" 644 610 128.78      
10 E' 3269 3097 7.43      
10 E' 3269 3097 7.43      
11 E' 3177 3010 18.02      
11 E' 3177 3010 18.02      
12 E' 1515 1436 1.46      
12 E' 1515 1436 1.46      
13 E' 1254 1188 1.96      
13 E' 1254 1188 1.96      
14 E' 1126 1067 1.09      
14 E' 1126 1067 1.09      
15 E' 538 510 0.18      
15 E' 538 510 0.18      
16 E" 1182 1120 0.00      
16 E" 1182 1120 0.00      
17 E" 1102 1044 0.00      
17 E" 1102 1044 0.00      
18 E" 766 726 0.00      
18 E" 766 726 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20843.2 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 19746.8 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/6-31G(2df,p)
ABC
0.28896 0.28896 0.19474

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.294 0.000
C2 0.000 0.000 0.792
C3 1.120 -0.647 0.000
C4 -1.120 -0.647 0.000
C5 0.000 0.000 -0.792
H6 0.916 1.875 0.000
H7 -0.916 1.875 0.000
H8 1.166 -1.730 0.000
H9 2.082 -0.145 0.000
H10 -2.082 -0.145 0.000
H11 -1.166 -1.730 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51682.24052.24051.51681.08461.08463.24102.53012.53013.2410
C21.51681.51681.51681.58422.23192.23192.23192.23192.23192.2319
C32.24051.51682.24051.51682.53013.24101.08461.08463.24102.5301
C42.24051.51682.24051.51683.24102.53012.53013.24101.08461.0846
C51.51681.58421.51681.51682.23192.23192.23192.23192.23192.2319
H61.08462.23192.53013.24102.23191.83113.61412.33213.61414.1632
H71.08462.23193.24102.53012.23191.83114.16323.61412.33213.6141
H83.24102.23191.08462.53012.23193.61414.16321.83113.61412.3321
H92.53012.23191.08463.24102.23192.33213.61411.83114.16323.6141
H102.53012.23193.24101.08462.23193.61412.33213.61414.16321.8311
H113.24102.23192.53011.08462.23194.16323.61412.33213.61411.8311

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.218 C1 C2 C4 95.218
C1 C2 C5 58.519 C1 C5 C2 58.519
C1 C5 C3 95.218 C1 C5 C4 95.218
C2 C1 C5 62.961 C2 C1 H6 117.209
C2 C1 H7 117.209 C2 C3 C5 62.961
C2 C3 H8 117.209 C2 C3 H9 117.209
C2 C4 C5 62.961 C2 C4 H10 117.209
C2 C4 H11 117.209 C3 C2 C4 95.218
C3 C2 C5 58.519 C3 C5 C4 95.218
C4 C2 C5 58.519 C5 C1 H6 117.209
C5 C1 H7 117.209 C5 C3 H8 117.209
C5 C3 H9 117.209 C5 C4 H10 117.209
C5 C4 H11 117.209 H6 C1 H7 115.156
H8 C3 H9 115.156 H10 C4 H11 115.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability