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

using model chemistry: BLYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-195.216143
Energy at 298.15K 
HF Energy-195.216143
Nuclear repulsion energy178.073011
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/Def2TZVPP
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' 3013 3013 0.00      
2 A1' 2970 2970 0.00      
3 A1' 1513 1513 0.00      
4 A1' 1078 1078 0.00      
5 A1' 877 877 0.00      
6 A1" 972 972 0.00      
7 A2' 3022 3022 0.00      
8 A2' 944 944 0.00      
9 A2" 3008 3008 149.93      
10 A2" 1204 1204 35.97      
11 A2" 808 808 2.86      
12 E' 3027 3027 74.71      
12 E' 3027 3027 74.71      
13 E' 2965 2965 87.56      
13 E' 2965 2965 87.56      
14 E' 1465 1465 0.20      
14 E' 1465 1465 0.20      
15 E' 1212 1212 1.71      
15 E' 1212 1212 1.71      
16 E' 1085 1085 0.24      
16 E' 1085 1085 0.24      
17 E' 860 860 0.33      
17 E' 860 860 0.33      
18 E' 526 526 0.16      
18 E' 526 526 0.16      
19 E" 1174 1174 0.00      
19 E" 1174 1174 0.00      
20 E" 1102 1102 0.00      
20 E" 1102 1102 0.00      
21 E" 996 996 0.00      
21 E" 996 996 0.00      
22 E" 733 733 0.00      
22 E" 733 733 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24848.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24848.4 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/Def2TZVPP
ABC
0.23737 0.23737 0.20477

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.946
C2 0.000 1.250 0.000
C3 1.083 -0.625 0.000
C4 -1.083 -0.625 0.000
C5 0.000 0.000 -0.946
H6 0.000 0.000 2.041
H7 0.000 0.000 -2.041
H8 0.907 1.867 0.000
H9 -0.907 1.867 0.000
H10 1.163 -1.719 0.000
H11 2.070 -0.148 0.000
H12 -2.070 -0.148 0.000
H13 -1.163 -1.719 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.56761.56761.56761.89111.09572.98672.28072.28072.28072.28072.28072.2807
C21.56762.16562.16561.56762.39372.39371.09671.09673.18892.49812.49813.1889
C31.56762.16562.16561.56762.39372.39372.49813.18891.09671.09673.18892.4981
C41.56762.16562.16561.56762.39372.39373.18892.49812.49813.18891.09671.0967
C51.89111.56761.56761.56762.98671.09572.28072.28072.28072.28072.28072.2807
H61.09572.39372.39372.39372.98674.08242.91102.91102.91102.91102.91102.9110
H72.98672.39372.39372.39371.09574.08242.91102.91102.91102.91102.91102.9110
H82.28071.09672.49813.18892.28072.91102.91101.81413.59482.32633.59484.1404
H92.28071.09673.18892.49812.28072.91102.91101.81414.14043.59482.32633.5948
H102.28073.18891.09672.49812.28072.91102.91103.59484.14041.81413.59482.3263
H112.28072.49811.09673.18892.28072.91102.91102.32633.59481.81414.14043.5948
H122.28072.49813.18891.09672.28072.91102.91103.59482.32633.59484.14041.8141
H132.28073.18892.49811.09672.28072.91102.91104.14043.59482.32633.59481.8141

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 74.196 C1 C2 H8 116.638
C1 C2 H9 116.638 C1 C3 C5 74.196
C1 C3 H10 116.638 C1 C3 H11 116.638
C1 C4 C5 74.196 C1 C4 H12 116.638
C1 C4 H13 116.638 C2 C1 C3 87.378
C2 C1 C4 87.378 C2 C1 H6 127.098
C2 C5 C3 87.378 C2 C5 C4 87.378
C2 C5 H7 127.098 C3 C1 C4 87.378
C3 C1 H6 127.098 C3 C5 C4 87.378
C3 C5 H7 127.098 C4 C1 H6 127.098
C4 C5 H7 127.098 C5 C2 H8 116.638
C5 C2 H9 116.638 C5 C3 H10 116.638
C5 C3 H11 116.638 C5 C4 H12 116.638
C5 C4 H13 116.638 H8 C2 H9 111.594
H10 C3 H11 111.594 H12 C4 H13 111.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 C -0.100      
3 C -0.100      
4 C -0.100      
5 C -0.113      
6 H 0.095      
7 H 0.095      
8 H 0.056      
9 H 0.056      
10 H 0.056      
11 H 0.056      
12 H 0.056      
13 H 0.056      


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 -32.607 0.000 0.000
y 0.000 -32.607 0.000
z 0.000 0.000 -32.773
Traceless
 xyz
x 0.083 0.000 0.000
y 0.000 0.083 0.000
z 0.000 0.000 -0.166
Polar
3z2-r2-0.332
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 8.854 0.000 0.000
y 0.000 8.854 0.000
z 0.000 0.000 8.063


<r2> (average value of r2) Å2
<r2> 93.446
(<r2>)1/2 9.667