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

using model chemistry: MP3=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-194.309580
Energy at 298.15K 
HF Energy-193.810763
Nuclear repulsion energy176.426912
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 MP3=FULL/6-31G
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' 3163 3163 0.00      
2 A1' 3083 3083 0.00      
3 A1' 1597 1597 0.00      
4 A1' 1138 1138 0.00      
5 A1' 946 946 0.00      
6 A1" 1018 1018 0.00      
7 A2' 3143 3143 0.00      
8 A2' 982 982 0.00      
9 A2" 3148 3148 101.35      
10 A2" 1283 1283 30.59      
11 A2" 822 822 4.88      
12 E' 3151 3151 61.70      
12 E' 3151 3151 61.70      
13 E' 3077 3077 61.76      
13 E' 3077 3077 61.76      
14 E' 1554 1554 0.54      
14 E' 1554 1554 0.54      
15 E' 1264 1264 1.63      
15 E' 1264 1264 1.63      
16 E' 1134 1134 0.22      
16 E' 1134 1134 0.22      
17 E' 882 882 1.42      
17 E' 882 882 1.42      
18 E' 552 552 0.13      
18 E' 552 552 0.13      
19 E" 1267 1267 0.00      
19 E" 1267 1267 0.00      
20 E" 1172 1172 0.00      
20 E" 1172 1172 0.00      
21 E" 1064 1064 0.00      
21 E" 1064 1064 0.00      
22 E" 765 765 0.00      
22 E" 765 765 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26042.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26042.4 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 MP3=FULL/6-31G
ABC
0.23227 0.23227 0.20158

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.963
C2 0.000 1.262 0.000
C3 1.093 -0.631 0.000
C4 -1.093 -0.631 0.000
C5 0.000 0.000 -0.963
H6 0.000 0.000 2.056
H7 0.000 0.000 -2.056
H8 0.909 1.877 0.000
H9 -0.909 1.877 0.000
H10 1.171 -1.726 0.000
H11 2.080 -0.151 0.000
H12 -2.080 -0.151 0.000
H13 -1.171 -1.726 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.58711.58711.58711.92531.09373.01902.29722.29722.29722.29722.29722.2972
C21.58712.18562.18561.58712.41272.41271.09781.09783.20912.51482.51483.2091
C31.58712.18562.18561.58712.41272.41272.51483.20911.09781.09783.20912.5148
C41.58712.18562.18561.58712.41272.41273.20912.51482.51483.20911.09781.0978
C51.92531.58711.58711.58713.01901.09372.29722.29722.29722.29722.29722.2972
H61.09372.41272.41272.41273.01904.11282.92902.92902.92902.92902.92902.9290
H73.01902.41272.41272.41271.09374.11282.92902.92902.92902.92902.92902.9290
H82.29721.09782.51483.20912.29722.92902.92901.81823.61262.34233.61264.1605
H92.29721.09783.20912.51482.29722.92902.92901.81824.16053.61262.34233.6126
H102.29723.20911.09782.51482.29722.92902.92903.61264.16051.81823.61262.3423
H112.29722.51481.09783.20912.29722.92902.92902.34233.61261.81824.16053.6126
H122.29722.51483.20911.09782.29722.92902.92903.61262.34233.61264.16051.8182
H132.29723.20912.51481.09782.29722.92902.92904.16053.61262.34233.61261.8182

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 74.680 C1 C2 H8 116.466
C1 C2 H9 116.466 C1 C3 C5 74.680
C1 C3 H10 116.466 C1 C3 H11 116.466
C1 C4 C5 74.680 C1 C4 H12 116.466
C1 C4 H13 116.466 C2 C1 C3 87.028
C2 C1 C4 87.028 C2 C1 H6 127.340
C2 C5 C3 87.028 C2 C5 C4 87.028
C2 C5 H7 127.340 C3 C1 C4 87.028
C3 C1 H6 127.340 C3 C5 C4 87.028
C3 C5 H7 127.340 C4 C1 H6 127.340
C4 C5 H7 127.340 C5 C2 H8 116.466
C5 C2 H9 116.466 C5 C3 H10 116.466
C5 C3 H11 116.466 C5 C4 H12 116.466
C5 C4 H13 116.466 H8 C2 H9 111.813
H10 C3 H11 111.813 H12 C4 H13 111.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability