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

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-195.206145
Energy at 298.15K 
HF Energy-195.206145
Nuclear repulsion energy177.854980
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 BLYP/TZVP
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' 3015 3008 0.00      
2 A1' 2970 2963 0.00      
3 A1' 1514 1511 0.00      
4 A1' 1077 1075 0.00      
5 A1' 880 878 0.00      
6 A1" 971 969 0.00      
7 A2' 3022 3015 0.00      
8 A2' 943 941 0.00      
9 A2" 3010 3003 149.20      
10 A2" 1204 1201 40.45      
11 A2" 806 804 3.89      
12 E' 3028 3020 77.33      
12 E' 3028 3020 77.33      
13 E' 2965 2957 88.43      
13 E' 2965 2957 88.43      
14 E' 1466 1463 0.15      
14 E' 1466 1463 0.15      
15 E' 1208 1205 1.92      
15 E' 1208 1205 1.92      
16 E' 1083 1080 0.12      
16 E' 1083 1080 0.12      
17 E' 857 855 0.53      
17 E' 857 855 0.53      
18 E' 528 527 0.26      
18 E' 528 527 0.26      
19 E" 1174 1171 0.00      
19 E" 1174 1171 0.00      
20 E" 1102 1099 0.00      
20 E" 1102 1099 0.00      
21 E" 994 992 0.00      
21 E" 994 992 0.00      
22 E" 730 728 0.00      
22 E" 730 728 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24841.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 24779.0 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 BLYP/TZVP
ABC
0.23675 0.23675 0.20437

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.947
C2 0.000 1.252 0.000
C3 1.084 -0.626 0.000
C4 -1.084 -0.626 0.000
C5 0.000 0.000 -0.947
H6 0.000 0.000 2.044
H7 0.000 0.000 -2.044
H8 0.908 1.869 0.000
H9 -0.908 1.869 0.000
H10 1.164 -1.721 0.000
H11 2.072 -0.148 0.000
H12 -2.072 -0.148 0.000
H13 -1.164 -1.721 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.56971.56971.56971.89481.09662.99132.28332.28332.28332.28332.28332.2833
C21.56972.16772.16771.56972.39672.39671.09791.09793.19212.50042.50043.1921
C31.56972.16772.16771.56972.39672.39672.50043.19211.09791.09793.19212.5004
C41.56972.16772.16771.56972.39672.39673.19212.50042.50043.19211.09791.0979
C51.89481.56971.56971.56972.99131.09662.28332.28332.28332.28332.28332.2833
H61.09662.39672.39672.39672.99134.08792.91442.91442.91442.91442.91442.9144
H72.99132.39672.39672.39671.09664.08792.91442.91442.91442.91442.91442.9144
H82.28331.09792.50043.19212.28332.91442.91441.81643.59842.32813.59844.1445
H92.28331.09793.19212.50042.28332.91442.91441.81644.14453.59842.32813.5984
H102.28333.19211.09792.50042.28332.91442.91443.59844.14451.81643.59842.3281
H112.28332.50041.09793.19212.28332.91442.91442.32813.59841.81644.14453.5984
H122.28332.50043.19211.09792.28332.91442.91443.59842.32813.59844.14451.8164
H132.28333.19212.50041.09792.28332.91442.91444.14453.59842.32813.59841.8164

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 74.251 C1 C2 H8 116.618
C1 C2 H9 116.618 C1 C3 C5 74.251
C1 C3 H10 116.618 C1 C3 H11 116.618
C1 C4 C5 74.251 C1 C4 H12 116.618
C1 C4 H13 116.618 C2 C1 C3 87.339
C2 C1 C4 87.339 C2 C1 H6 127.125
C2 C5 C3 87.339 C2 C5 C4 87.339
C2 C5 H7 127.125 C3 C1 C4 87.339
C3 C1 H6 127.125 C3 C5 C4 87.339
C3 C5 H7 127.125 C4 C1 H6 127.125
C4 C5 H7 127.125 C5 C2 H8 116.618
C5 C2 H9 116.618 C5 C3 H10 116.618
C5 C3 H11 116.618 C5 C4 H12 116.618
C5 C4 H13 116.618 H8 C2 H9 111.619
H10 C3 H11 111.619 H12 C4 H13 111.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C -0.386      
3 C -0.386      
4 C -0.386      
5 C 0.107      
6 H 0.125      
7 H 0.125      
8 H 0.116      
9 H 0.116      
10 H 0.116      
11 H 0.116      
12 H 0.116      
13 H 0.116      


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 -32.557 0.000 0.000
y 0.000 -32.557 0.000
z 0.000 0.000 -32.846
Traceless
 xyz
x 0.144 0.000 0.000
y 0.000 0.144 0.000
z 0.000 0.000 -0.288
Polar
3z2-r2-0.577
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 8.724 0.000 0.000
y 0.000 8.724 0.000
z 0.000 0.000 7.848


<r2> (average value of r2) Å2
<r2> 93.611
(<r2>)1/2 9.675