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All results from a given calculation for C5H8 (Bicyclo[1.1.1]pentane)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-195.151283
Energy at 298.15K 
HF Energy-195.151283
Nuclear repulsion energy178.363020
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 B97D3/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' 3039 3039 0.00      
2 A1' 2994 2994 0.00      
3 A1' 1515 1515 0.00      
4 A1' 1089 1089 0.00      
5 A1' 879 879 0.00      
6 A1" 966 966 0.00      
7 A2' 3058 3058 0.00      
8 A2' 938 938 0.00      
9 A2" 3033 3033 181.84      
10 A2" 1210 1210 37.44      
11 A2" 827 827 3.24      
12 E' 3063 3063 87.19      
12 E' 3063 3063 87.16      
13 E' 2990 2990 104.70      
13 E' 2990 2990 104.75      
14 E' 1464 1464 0.12      
14 E' 1464 1464 0.12      
15 E' 1221 1221 2.06      
15 E' 1221 1221 2.05      
16 E' 1085 1085 0.32      
16 E' 1085 1085 0.32      
17 E' 880 880 0.31      
17 E' 880 880 0.31      
18 E' 533 533 0.13      
18 E' 533 533 0.13      
19 E" 1167 1167 0.00      
19 E" 1167 1167 0.00      
20 E" 1103 1103 0.00      
20 E" 1103 1103 0.00      
21 E" 987 987 0.00      
21 E" 987 987 0.00      
22 E" 762 762 0.00      
22 E" 762 762 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25026.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25026.5 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 B97D3/aug-cc-pVDZ
ABC
0.23848 0.23848 0.20565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.942
C2 0.000 1.246 0.000
C3 1.079 -0.623 0.000
C4 -1.079 -0.623 0.000
C5 0.000 0.000 -0.942
H6 0.000 0.000 2.043
H7 0.000 0.000 -2.043
H8 0.911 1.866 0.000
H9 -0.911 1.866 0.000
H10 1.160 -1.722 0.000
H11 2.072 -0.144 0.000
H12 -2.072 -0.144 0.000
H13 -1.160 -1.722 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.56191.56191.56191.88351.10172.98532.28022.28022.28022.28022.28022.2802
C21.56192.15822.15821.56192.39342.39341.10231.10233.18702.49462.49463.1870
C31.56192.15822.15821.56192.39342.39342.49463.18701.10231.10233.18702.4946
C41.56192.15822.15821.56192.39342.39343.18702.49462.49463.18701.10231.1023
C51.88351.56191.56191.56192.98531.10172.28022.28022.28022.28022.28022.2802
H61.10172.39342.39342.39342.98534.08702.91352.91352.91352.91352.91352.9135
H72.98532.39342.39342.39341.10174.08702.91352.91352.91352.91352.91352.9135
H82.28021.10232.49463.18702.28022.91352.91351.82293.59692.32053.59694.1434
H92.28021.10233.18702.49462.28022.91352.91351.82294.14343.59692.32053.5969
H102.28023.18701.10232.49462.28022.91352.91353.59694.14341.82293.59692.3205
H112.28022.49461.10233.18702.28022.91352.91352.32053.59691.82294.14343.5969
H122.28022.49463.18701.10232.28022.91352.91353.59692.32053.59694.14341.8229
H132.28023.18702.49461.10232.28022.91352.91354.14343.59692.32053.59691.8229

picture of Bicyclo[1.1.1]pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 74.165 C1 C2 H8 116.659
C1 C2 H9 116.659 C1 C3 C5 74.165
C1 C3 H10 116.659 C1 C3 H11 116.659
C1 C4 C5 74.165 C1 C4 H12 116.659
C1 C4 H13 116.659 C2 C1 C3 87.401
C2 C1 C4 87.401 C2 C1 H6 127.083
C2 C5 C3 87.401 C2 C5 C4 87.401
C2 C5 H7 127.083 C3 C1 C4 87.401
C3 C1 H6 127.083 C3 C5 C4 87.401
C3 C5 H7 127.083 C4 C1 H6 127.083
C4 C5 H7 127.083 C5 C2 H8 116.659
C5 C2 H9 116.659 C5 C3 H10 116.659
C5 C3 H11 116.659 C5 C4 H12 116.659
C5 C4 H13 116.659 H8 C2 H9 111.555
H10 C3 H11 111.555 H12 C4 H13 111.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.059      
2 C 0.898      
3 C 0.898      
4 C 0.898      
5 C 1.059      
6 H -0.657      
7 H -0.657      
8 H -0.583      
9 H -0.583      
10 H -0.583      
11 H -0.583      
12 H -0.583      
13 H -0.583      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.342 0.000 0.000
y 0.000 -32.342 0.000
z 0.000 0.000 -32.492
Traceless
 xyz
x 0.075 0.000 0.000
y 0.000 0.075 0.000
z 0.000 0.000 -0.149
Polar
3z2-r2-0.298
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.104 0.000 0.000
y 0.000 9.104 0.000
z 0.000 0.000 8.463


<r2> (average value of r2) Å2
<r2> 93.048
(<r2>)1/2 9.646