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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-233.067686
Energy at 298.15K-233.076982
Nuclear repulsion energy230.067995
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 PBEPBE/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 3185 3152 10.84      
2 A1 3057 3025 16.21      
3 A1 3056 3024 30.48      
4 A1 2982 2951 40.23      
5 A1 1580 1564 1.24      
6 A1 1456 1441 0.11      
7 A1 1229 1216 1.87      
8 A1 1113 1102 1.02      
9 A1 1029 1018 0.17      
10 A1 975 964 0.02      
11 A1 939 929 0.00      
12 A1 827 818 1.29      
13 A1 506 501 0.51      
14 A2 1177 1165 0.00      
15 A2 1069 1058 0.00      
16 A2 1032 1022 0.00      
17 A2 867 858 0.00      
18 A2 831 823 0.00      
19 A2 520 514 0.00      
20 B1 3051 3020 31.80      
21 B1 2973 2942 58.58      
22 B1 1421 1406 0.66      
23 B1 1194 1181 1.36      
24 B1 969 959 2.05      
25 B1 814 805 2.30      
26 B1 669 662 33.38      
27 B1 433 429 4.99      
28 B2 3157 3124 5.61      
29 B2 3055 3023 83.51      
30 B2 1288 1275 12.12      
31 B2 1208 1195 1.42      
32 B2 1182 1170 6.62      
33 B2 1071 1060 3.56      
34 B2 894 885 0.44      
35 B2 836 828 6.32      
36 B2 713 705 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 26175.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 25906.3 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 PBEPBE/6-31G(2df,p)
ABC
0.19347 0.15558 0.14247

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 1.217
C2 0.000 -0.673 1.217
C3 0.000 -1.023 -0.280
C4 0.000 1.023 -0.280
C5 1.067 0.000 -0.810
C6 -1.067 0.000 -0.810
H7 0.000 1.379 2.045
H8 0.000 -1.379 2.045
H9 0.000 -2.081 -0.575
H10 0.000 2.081 -0.575
H11 2.055 0.000 -0.322
H12 -2.055 0.000 -0.322
H13 -1.164 0.000 -1.909
H14 1.164 0.000 -1.909

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34542.26231.53782.38702.38701.08892.21293.28542.27922.65392.65393.40273.4027
C21.34541.53782.26232.38702.38702.21291.08892.27923.28542.65392.65393.40273.4027
C32.26231.53782.04641.57031.57033.34382.35291.09813.11822.29582.29582.24822.2482
C41.53782.26232.04641.57031.57032.35293.34383.11821.09812.29582.29582.24822.2482
C52.38702.38701.57031.57032.13463.34533.34532.35052.35051.10113.15982.48781.1037
C62.38702.38701.57031.57032.13463.34533.34532.35052.35053.15981.10111.10372.4878
H71.08892.21293.34382.35293.34533.34532.75854.34052.71283.42493.42494.34674.3467
H82.21291.08892.35293.34383.34533.34532.75852.71284.34053.42493.42494.34674.3467
H93.28542.27921.09813.11822.35052.35054.34052.71284.16202.93542.93542.73232.7323
H102.27923.28543.11821.09812.35052.35052.71284.34054.16202.93542.93542.73232.7323
H112.65392.65392.29582.29581.10113.15983.42493.42492.93542.93544.10953.58891.8194
H122.65392.65392.29582.29583.15981.10113.42493.42492.93542.93544.10951.81943.5889
H133.40273.40272.24822.24822.48781.10374.34674.34672.73232.73233.58891.81942.3288
H143.40273.40272.24822.24821.10372.48784.34674.34672.73232.73231.81943.58892.3288

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 103.175 C1 C2 H8 130.457
C1 C4 C5 100.341 C1 C4 C6 100.341
C1 C4 H10 118.743 C2 C1 C4 103.175
C2 C1 H7 130.457 C2 C3 C5 100.341
C2 C3 C6 100.341 C2 C3 H9 118.743
C3 C2 H8 126.367 C3 C5 C4 81.322
C3 C5 H11 117.415 C3 C5 H14 113.289
C3 C6 C4 81.322 C3 C6 H12 117.415
C3 C6 H13 113.289 C4 C1 H7 126.367
C4 C5 H11 117.415 C4 C5 H14 113.289
C4 C6 H12 117.415 C4 C6 H13 113.289
C5 C3 C6 85.635 C5 C3 H9 122.498
C5 C4 C6 85.635 C5 C4 H10 122.498
C6 C3 H9 122.498 C6 C4 H10 122.498
H11 C5 H14 111.217 H12 C6 H13 111.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C -0.078      
3 C -0.078      
4 C -0.078      
5 C -0.217      
6 C -0.217      
7 H 0.101      
8 H 0.101      
9 H 0.067      
10 H 0.067      
11 H 0.103      
12 H 0.103      
13 H 0.102      
14 H 0.102      


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 -0.180 0.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.674 0.000 0.000
y 0.000 -35.280 0.000
z 0.000 0.000 -35.473
Traceless
 xyz
x -2.298 0.000 0.000
y 0.000 1.294 0.000
z 0.000 0.000 1.004
Polar
3z2-r22.009
x2-y2-2.394
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.612 0.000 0.000
y 0.000 9.070 0.000
z 0.000 0.000 9.258


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000