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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-231.853408
Energy at 298.15K-231.863258
HF Energy-231.853408
Nuclear repulsion energy232.525462
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/daug-cc-pVTZ
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 3381 3058 9.95      
2 A1 3254 2943 15.31      
3 A1 3244 2935 55.87      
4 A1 3187 2883 56.56      
5 A1 1756 1588 7.45      
6 A1 1645 1488 0.00      
7 A1 1398 1265 1.31      
8 A1 1229 1112 1.43      
9 A1 1157 1047 0.01      
10 A1 1066 964 0.22      
11 A1 1012 915 0.40      
12 A1 914 827 2.76      
13 A1 574 519 0.34      
14 A2 1346 1218 0.00      
15 A2 1224 1107 0.00      
16 A2 1155 1045 0.00      
17 A2 1052 952 0.00      
18 A2 901 815 0.00      
19 A2 577 522 0.00      
20 B1 3237 2928 45.59      
21 B1 3174 2872 68.05      
22 B1 1609 1456 1.41      
23 B1 1353 1224 0.58      
24 B1 1091 987 3.54      
25 B1 886 802 10.98      
26 B1 774 700 54.76      
27 B1 491 444 10.83      
28 B2 3353 3033 7.13      
29 B2 3249 2939 113.00      
30 B2 1456 1317 18.21      
31 B2 1374 1243 0.70      
32 B2 1354 1225 9.70      
33 B2 1200 1085 5.23      
34 B2 976 883 0.52      
35 B2 901 815 8.06      
36 B2 785 710 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 28666.4 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 25931.6 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/daug-cc-pVTZ
ABC
0.19822 0.15806 0.14514

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.659 1.210
C2 0.000 -0.659 1.210
C3 0.000 -1.014 -0.279
C4 0.000 1.014 -0.279
C5 1.057 0.000 -0.805
C6 -1.057 0.000 -0.805
H7 0.000 1.344 2.032
H8 0.000 -1.344 2.032
H9 0.000 -2.055 -0.564
H10 0.000 2.055 -0.564
H11 2.030 0.000 -0.335
H12 -2.030 0.000 -0.335
H13 -1.150 0.000 -1.885
H14 1.150 0.000 -1.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.31852.24001.53072.36882.36881.07062.16593.24212.25672.63492.63493.36633.3663
C21.31851.53072.24002.36882.36882.16591.07062.25673.24212.63492.63493.36633.3663
C32.24001.53072.02841.55621.55623.30252.33511.07883.08222.27012.27012.22002.2200
C41.53072.24002.02841.55621.55622.33513.30253.08221.07882.27012.27012.22002.2200
C52.36882.36881.55621.55622.11353.31293.31292.32322.32321.08103.12252.45681.0834
C62.36882.36881.55621.55622.11353.31293.31292.32322.32323.12251.08101.08342.4568
H71.07062.16593.30252.33513.31293.31292.68894.27722.69153.39613.39614.29794.2979
H82.16591.07062.33513.30253.31293.31292.68892.69154.27723.39613.39614.29794.2979
H93.24212.25671.07883.08222.32322.32324.27722.69154.10972.89762.89762.70002.7000
H102.25673.24213.08221.07882.32322.32322.69154.27724.10972.89762.89762.70002.7000
H112.63492.63492.27012.27011.08103.12253.39613.39612.89762.89764.06043.53781.7818
H122.63492.63492.27012.27013.12251.08103.39613.39612.89762.89764.06041.78183.5378
H133.36633.36632.22002.22002.45681.08344.29794.29792.70002.70003.53781.78182.3006
H143.36633.36632.22002.22001.08342.45684.29794.29792.70002.70001.78183.53782.3006

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 103.409 C1 C2 H8 129.793
C1 C4 C5 100.228 C1 C4 C6 100.228
C1 C4 H10 118.696 C2 C1 C4 103.409
C2 C1 H7 129.793 C2 C3 C5 100.228
C2 C3 C6 100.228 C2 C3 H9 118.696
C3 C2 H8 126.798 C3 C5 C4 81.341
C3 C5 H11 117.681 C3 C5 H14 113.285
C3 C6 C4 81.341 C3 C6 H12 117.681
C3 C6 H13 113.285 C4 C1 H7 126.798
C4 C5 H11 117.681 C4 C5 H14 113.285
C4 C6 H12 117.681 C4 C6 H13 113.285
C5 C3 C6 85.537 C5 C3 H9 122.653
C5 C4 C6 85.537 C5 C4 H10 122.653
C6 C3 H9 122.653 C6 C4 H10 122.653
H11 C5 H14 110.820 H12 C6 H13 110.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.794      
2 C -0.794      
3 C -0.254      
4 C -0.254      
5 C -1.891      
6 C -1.891      
7 H 0.882      
8 H 0.882      
9 H 0.929      
10 H 0.929      
11 H 0.648      
12 H 0.648      
13 H 0.479      
14 H 0.479      


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 -0.328 0.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.951 0.000 0.000
y 0.000 -35.619 0.000
z 0.000 0.000 -36.539
Traceless
 xyz
x -2.871 0.000 0.000
y 0.000 2.126 0.000
z 0.000 0.000 0.746
Polar
3z2-r21.492
x2-y2-3.331
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.693 0.000 0.000
y 0.000 9.589 0.000
z 0.000 0.000 9.459


<r2> (average value of r2) Å2
<r2> 119.541
(<r2>)1/2 10.933