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All results from a given calculation for C6H8 (Bicyclo[2.1.1]hex-2-ene)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-231.700002
Energy at 298.15K-231.709902
Nuclear repulsion energy230.516638
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 HF/SDD
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 3458 3114 16.50      
2 A1 3340 3008 9.98      
3 A1 3325 2994 67.68      
4 A1 3247 2924 63.28      
5 A1 1742 1569 5.65      
6 A1 1664 1498 0.96      
7 A1 1408 1268 2.05      
8 A1 1240 1116 4.56      
9 A1 1173 1056 0.04      
10 A1 1079 971 0.11      
11 A1 1025 923 1.19      
12 A1 929 836 2.59      
13 A1 583 525 0.62      
14 A2 1381 1244 0.00      
15 A2 1242 1118 0.00      
16 A2 1169 1052 0.00      
17 A2 1071 964 0.00      
18 A2 909 818 0.00      
19 A2 585 526 0.00      
20 B1 3317 2987 47.34      
21 B1 3236 2913 78.78      
22 B1 1635 1472 2.71      
23 B1 1354 1219 0.19      
24 B1 1108 998 9.02      
25 B1 890 801 25.75      
26 B1 802 723 60.36      
27 B1 508 458 13.37      
28 B2 3425 3084 7.53      
29 B2 3333 3001 108.08      
30 B2 1463 1317 20.39      
31 B2 1396 1257 0.04      
32 B2 1368 1232 9.99      
33 B2 1217 1096 5.35      
34 B2 996 897 0.12      
35 B2 906 815 13.80      
36 B2 797 718 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 29159.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 26255.4 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 HF/SDD
ABC
0.19376 0.15565 0.14264

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.218
C2 0.000 -0.669 1.218
C3 0.000 -1.028 -0.281
C4 0.000 1.028 -0.281
C5 1.069 0.000 -0.812
C6 -1.069 0.000 -0.812
H7 0.000 1.355 2.038
H8 0.000 -1.355 2.038
H9 0.000 -2.066 -0.566
H10 0.000 2.066 -0.566
H11 2.038 0.000 -0.336
H12 -2.038 0.000 -0.336
H13 -1.171 0.000 -1.890
H14 1.171 0.000 -1.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33872.26501.54162.38982.38981.06912.18443.26572.26562.64892.64893.38793.3879
C21.33871.54162.26502.38982.38982.18441.06912.26563.26572.64892.64893.38793.3879
C32.26501.54162.05681.57541.57543.32582.34211.07603.10752.28362.28362.23962.2396
C41.54162.26502.05681.57541.57542.34213.32583.10751.07602.28362.28362.23962.2396
C52.38982.38981.57541.57542.13803.33193.33192.33922.33921.07973.14342.48561.0828
C62.38982.38981.57541.57542.13803.33193.33192.33922.33923.14341.07971.08282.4856
H71.06912.18443.32582.34213.33193.33192.71064.29952.69913.40973.40974.31694.3169
H82.18441.06912.34213.32583.33193.33192.71062.69914.29953.40973.40974.31694.3169
H93.26572.26561.07603.10752.33922.33924.29952.69914.13212.91132.91132.71882.7188
H102.26563.26573.10751.07602.33922.33922.69914.29954.13212.91132.91132.71882.7188
H112.64892.64892.28362.28361.07973.14343.40973.40972.91132.91134.07633.56531.7798
H122.64892.64892.28362.28363.14341.07973.40973.40972.91132.91134.07631.77983.5653
H133.38793.38792.23962.23962.48561.08284.31694.31692.71882.71883.56531.77982.3412
H143.38793.38792.23962.23961.08282.48564.31694.31692.71882.71881.77983.56532.3412

picture of Bicyclo[2.1.1]hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 103.467 C1 C2 H8 129.913
C1 C4 C5 100.111 C1 C4 C6 100.111
C1 C4 H10 118.807 C2 C1 C4 103.467
C2 C1 H7 129.913 C2 C3 C5 100.111
C2 C3 C6 100.111 C2 C3 H9 118.807
C3 C2 H8 126.620 C3 C5 C4 81.500
C3 C5 H11 117.423 C3 C5 H14 113.517
C3 C6 C4 81.500 C3 C6 H12 117.423
C3 C6 H13 113.517 C4 C1 H7 126.620
C4 C5 H11 117.423 C4 C5 H14 113.517
C4 C6 H12 117.423 C4 C6 H13 113.517
C5 C3 C6 85.461 C5 C3 H9 122.710
C5 C4 C6 85.461 C5 C4 H10 122.710
C6 C3 H9 122.710 C6 C4 H10 122.710
H11 C5 H14 110.774 H12 C6 H13 110.774
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 C -0.213      
3 C -0.236      
4 C -0.236      
5 C -0.390      
6 C -0.390      
7 H 0.230      
8 H 0.230      
9 H 0.218      
10 H 0.218      
11 H 0.205      
12 H 0.205      
13 H 0.187      
14 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.351 0.351
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.411 0.000 0.000
y 0.000 -36.136 0.000
z 0.000 0.000 -36.528
Traceless
 xyz
x -3.079 0.000 0.000
y 0.000 1.833 0.000
z 0.000 0.000 1.246
Polar
3z2-r22.491
x2-y2-3.275
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.175 0.000 0.000
y 0.000 8.772 0.000
z 0.000 0.000 8.188


<r2> (average value of r2) Å2
<r2> 121.352
(<r2>)1/2 11.016