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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-233.344095
Energy at 298.15K-233.353587
Nuclear repulsion energy231.219228
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 mPW1PW91/aug-cc-pVDZ
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 3272 3136 8.49      
2 A1 3151 3020 49.79      
3 A1 3148 3017 7.66      
4 A1 3076 2948 42.92      
5 A1 1638 1570 4.89      
6 A1 1505 1442 0.22      
7 A1 1272 1219 3.56      
8 A1 1145 1097 1.63      
9 A1 1056 1012 0.03      
10 A1 1003 961 0.09      
11 A1 966 926 0.01      
12 A1 855 820 2.51      
13 A1 527 505 0.42      
14 A2 1213 1162 0.00      
15 A2 1108 1062 0.00      
16 A2 1059 1015 0.00      
17 A2 911 873 0.00      
18 A2 858 823 0.00      
19 A2 536 514 0.00      
20 B1 3147 3015 28.95      
21 B1 3067 2939 67.19      
22 B1 1470 1409 3.06      
23 B1 1232 1181 2.71      
24 B1 997 955 2.57      
25 B1 836 801 4.14      
26 B1 685 656 51.11      
27 B1 445 427 10.62      
28 B2 3244 3109 5.40      
29 B2 3146 3015 87.14      
30 B2 1331 1275 16.02      
31 B2 1248 1196 1.33      
32 B2 1223 1172 12.67      
33 B2 1098 1052 3.60      
34 B2 918 880 0.67      
35 B2 861 825 8.83      
36 B2 738 707 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 26992.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 25867.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.19541 0.15731 0.14388

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.670 1.210
C2 0.000 -0.670 1.210
C3 0.000 -1.019 -0.280
C4 0.000 1.019 -0.280
C5 1.061 0.000 -0.804
C6 -1.061 0.000 -0.804
H7 0.000 1.368 2.041
H8 0.000 -1.368 2.041
H9 0.000 -2.073 -0.574
H10 0.000 2.073 -0.574
H11 2.044 0.000 -0.319
H12 -2.044 0.000 -0.319
H13 -1.159 0.000 -1.898
H14 1.159 0.000 -1.898

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34032.25231.53022.37272.37271.08612.20183.27192.26912.63832.63833.38393.3839
C21.34031.53022.25232.37272.37272.20181.08612.26913.27192.63832.63833.38393.3839
C32.25231.53022.03801.56151.56153.33032.34791.09413.10592.28392.28392.23592.2359
C41.53022.25232.03801.56151.56152.34793.33033.10591.09412.28392.28392.23592.2359
C52.37272.37271.56151.56152.12173.33103.33102.34012.34011.09623.14222.47481.0983
C62.37272.37271.56151.56152.12173.33103.33102.34012.34013.14221.09621.09832.4748
H71.08612.20183.33032.34793.33103.33102.73694.32252.70853.40863.40864.32864.3286
H82.20181.08612.34793.33033.33103.33102.73692.70854.32253.40863.40864.32864.3286
H93.27192.26911.09413.10592.34012.34014.32252.70854.14612.92222.92222.71932.7193
H102.26913.27193.10591.09412.34012.34012.70854.32254.14612.92222.92222.71932.7193
H112.63832.63832.28392.28391.09623.14223.40863.40862.92222.92224.08723.57101.8104
H122.63832.63832.28392.28393.14221.09623.40863.40862.92222.92224.08721.81043.5710
H133.38393.38392.23592.23592.47481.09834.32864.32862.71932.71933.57101.81042.3181
H143.38393.38392.23592.23591.09832.47484.32864.32862.71932.71931.81043.57102.3181

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 103.178 C1 C2 H8 130.013
C1 C4 C5 100.247 C1 C4 C6 100.247
C1 C4 H10 118.738 C2 C1 C4 103.178
C2 C1 H7 130.013 C2 C3 C5 100.247
C2 C3 C6 100.247 C2 C3 H9 118.738
C3 C2 H8 126.809 C3 C5 C4 81.474
C3 C5 H11 117.414 C3 C5 H14 113.260
C3 C6 C4 81.474 C3 C6 H12 117.414
C3 C6 H13 113.260 C4 C1 H7 126.809
C4 C5 H11 117.414 C4 C5 H14 113.260
C4 C6 H12 117.414 C4 C6 H13 113.260
C5 C3 C6 85.591 C5 C3 H9 122.594
C5 C4 C6 85.591 C5 C4 H10 122.594
C6 C3 H9 122.594 C6 C4 H10 122.594
H11 C5 H14 111.168 H12 C6 H13 111.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.446      
2 C 0.446      
3 C 0.805      
4 C 0.805      
5 C 0.695      
6 C 0.695      
7 H -0.452      
8 H -0.452      
9 H -0.597      
10 H -0.597      
11 H -0.435      
12 H -0.435      
13 H -0.463      
14 H -0.463      


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 -0.347 0.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.676 0.000 0.000
y 0.000 -35.544 0.000
z 0.000 0.000 -36.217
Traceless
 xyz
x -2.795 0.000 0.000
y 0.000 1.903 0.000
z 0.000 0.000 0.893
Polar
3z2-r21.785
x2-y2-3.132
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.245 0.000 0.000
y 0.000 10.047 0.000
z 0.000 0.000 10.170


<r2> (average value of r2) Å2
<r2> 120.390
(<r2>)1/2 10.972