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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-195.180123
Energy at 298.15K 
HF Energy-195.180123
Nuclear repulsion energy179.953318
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 M06-2X/6-31+G**
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' 3141 2991 0.00      
2 A1' 3085 2938 0.00      
3 A1' 1563 1488 0.00      
4 A1' 1145 1090 0.00      
5 A1' 898 855 0.00      
6 A1" 1007 959 0.00      
7 A2' 3148 2998 0.00      
8 A2' 975 928 0.00      
9 A2" 3136 2986 133.05      
10 A2" 1268 1207 48.13      
11 A2" 880 838 6.79      
12 E' 3152 3001 67.76      
12 E' 3152 3001 67.73      
13 E' 3081 2933 78.93      
13 E' 3081 2933 78.91      
14 E' 1507 1435 0.24      
14 E' 1507 1435 0.24      
15 E' 1282 1221 2.63      
15 E' 1282 1221 2.62      
16 E' 1120 1067 0.46      
16 E' 1120 1067 0.47      
17 E' 937 892 0.62      
17 E' 937 892 0.60      
18 E' 550 524 0.24      
18 E' 550 524 0.23      
19 E" 1220 1162 0.00      
19 E" 1220 1162 0.00      
20 E" 1155 1100 0.00      
20 E" 1155 1100 0.00      
21 E" 1036 986 0.00      
21 E" 1036 986 0.00      
22 E" 823 784 0.00      
22 E" 823 784 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25984.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 24742.8 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 M06-2X/6-31+G**
ABC
0.24287 0.24287 0.20921

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.932
C2 0.000 1.236 0.000
C3 1.070 -0.618 0.000
C4 -1.070 -0.618 0.000
C5 0.000 0.000 -0.932
H6 0.000 0.000 2.024
H7 0.000 0.000 -2.024
H8 0.906 1.848 0.000
H9 -0.906 1.848 0.000
H10 1.147 -1.709 0.000
H11 2.054 -0.139 0.000
H12 -2.054 -0.139 0.000
H13 -1.147 -1.709 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54781.54781.54781.86461.09192.95652.25972.25972.25972.25972.25972.2597
C21.54782.14002.14001.54782.37152.37151.09391.09393.16022.47142.47143.1602
C31.54782.14002.14001.54782.37152.37152.47143.16021.09391.09393.16022.4714
C41.54782.14002.14001.54782.37152.37153.16022.47142.47143.16021.09391.0939
C51.86461.54781.54781.54782.95651.09192.25972.25972.25972.25972.25972.2597
H61.09192.37152.37152.37152.95654.04842.88702.88702.88702.88702.88702.8870
H72.95652.37152.37152.37151.09194.04842.88702.88702.88702.88702.88702.8870
H82.25971.09392.47143.16022.25972.88702.88701.81263.56532.29483.56534.1074
H92.25971.09393.16022.47142.25972.88702.88701.81264.10743.56532.29483.5653
H102.25973.16021.09392.47142.25972.88702.88703.56534.10741.81263.56532.2948
H112.25972.47141.09393.16022.25972.88702.88702.29483.56531.81264.10743.5653
H122.25972.47143.16021.09392.25972.88702.88703.56532.29483.56534.10741.8126
H132.25973.16022.47141.09392.25972.88702.88704.10743.56532.29483.56531.8126

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 74.074 C1 C2 H8 116.553
C1 C2 H9 116.553 C1 C3 C5 74.074
C1 C3 H10 116.553 C1 C3 H11 116.553
C1 C4 C5 74.074 C1 C4 H12 116.553
C1 C4 H13 116.553 C2 C1 C3 87.467
C2 C1 C4 87.467 C2 C1 H6 127.037
C2 C5 C3 87.467 C2 C5 C4 87.467
C2 C5 H7 127.037 C3 C1 C4 87.467
C3 C1 H6 127.037 C3 C5 C4 87.467
C3 C5 H7 127.037 C4 C1 H6 127.037
C4 C5 H7 127.037 C5 C2 H8 116.553
C5 C2 H9 116.553 C5 C3 H10 116.553
C5 C3 H11 116.553 C5 C4 H12 116.553
C5 C4 H13 116.553 H8 C2 H9 111.887
H10 C3 H11 111.887 H12 C4 H13 111.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C -0.383      
3 C -0.383      
4 C -0.383      
5 C 0.006      
6 H 0.134      
7 H 0.134      
8 H 0.145      
9 H 0.145      
10 H 0.145      
11 H 0.145      
12 H 0.145      
13 H 0.145      


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 -32.176 0.000 0.000
y 0.000 -32.176 0.000
z 0.000 0.000 -32.525
Traceless
 xyz
x 0.174 0.000 0.000
y 0.000 0.174 0.000
z 0.000 0.000 -0.349
Polar
3z2-r2-0.698
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 8.270 0.000 0.000
y 0.000 8.260 0.000
z 0.000 0.000 7.517


<r2> (average value of r2) Å2
<r2> 91.695
(<r2>)1/2 9.576