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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-194.676023
Energy at 298.15K 
HF Energy-193.918152
Nuclear repulsion energy178.429589
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/cc-pVDZ
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' 3181 2991 0.00      
2 A1' 3112 2927 0.00      
3 A1' 1559 1466 0.00      
4 A1' 1149 1080 0.00      
5 A1' 932 876 0.00      
6 A1" 1007 947 0.00      
7 A2' 3177 2987 0.00      
8 A2' 961 903 0.00      
9 A2" 3173 2984 103.32      
10 A2" 1281 1204 28.61      
11 A2" 865 813 4.30      
12 E' 3182 2992 59.04      
12 E' 3182 2992 59.04      
13 E' 3106 2921 67.69      
13 E' 3106 2921 67.69      
14 E' 1509 1419 0.09      
14 E' 1509 1419 0.09      
15 E' 1287 1210 1.53      
15 E' 1287 1210 1.53      
16 E' 1126 1058 0.60      
16 E' 1126 1058 0.60      
17 E' 922 867 0.41      
17 E' 922 867 0.41      
18 E' 543 510 0.22      
18 E' 543 510 0.22      
19 E" 1224 1151 0.00      
19 E" 1224 1151 0.00      
20 E" 1169 1099 0.00      
20 E" 1169 1099 0.00      
21 E" 1037 975 0.00      
21 E" 1037 975 0.00      
22 E" 812 764 0.00      
22 E" 812 764 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26115.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 24556.5 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 MP3=FULL/cc-pVDZ
ABC
0.23833 0.23833 0.20660

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.947
C2 0.000 1.243 0.000
C3 1.077 -0.622 0.000
C4 -1.077 -0.622 0.000
C5 0.000 0.000 -0.947
H6 0.000 0.000 2.045
H7 0.000 0.000 -2.045
H8 0.912 1.861 0.000
H9 -0.912 1.861 0.000
H10 1.156 -1.720 0.000
H11 2.067 -0.141 0.000
H12 -2.067 -0.141 0.000
H13 -1.156 -1.720 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.56241.56241.56241.89301.09872.99182.27822.27822.27822.27822.27822.2782
C21.56242.15312.15311.56242.39342.39341.10151.10153.18062.48782.48783.1806
C31.56242.15312.15311.56242.39342.39342.48783.18061.10151.10153.18062.4878
C41.56242.15312.15311.56242.39342.39343.18062.48782.48783.18061.10151.1015
C51.89301.56241.56241.56242.99181.09872.27822.27822.27822.27822.27822.2782
H61.09872.39342.39342.39342.99184.09052.91162.91162.91162.91162.91162.9116
H72.99182.39342.39342.39341.09874.09052.91162.91162.91162.91162.91162.9116
H82.27821.10152.48783.18062.27822.91162.91161.82393.58932.31113.58934.1350
H92.27821.10153.18062.48782.27822.91162.91161.82394.13503.58932.31113.5893
H102.27823.18061.10152.48782.27822.91162.91163.58934.13501.82393.58932.3111
H112.27822.48781.10153.18062.27822.91162.91162.31113.58931.82394.13503.5893
H122.27822.48783.18061.10152.27822.91162.91163.58932.31113.58934.13501.8239
H132.27823.18062.48781.10152.27822.91162.91164.13503.58932.31113.58931.8239

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 74.574 C1 C2 H8 116.501
C1 C2 H9 116.501 C1 C3 C5 74.574
C1 C3 H10 116.501 C1 C3 H11 116.501
C1 C4 C5 74.574 C1 C4 H12 116.501
C1 C4 H13 116.501 C2 C1 C3 87.105
C2 C1 C4 87.105 C2 C1 H6 127.287
C2 C5 C3 87.105 C2 C5 C4 87.105
C2 C5 H7 127.287 C3 C1 C4 87.105
C3 C1 H6 127.287 C3 C5 C4 87.105
C3 C5 H7 127.287 C4 C1 H6 127.287
C4 C5 H7 127.287 C5 C2 H8 116.501
C5 C2 H9 116.501 C5 C3 H10 116.501
C5 C3 H11 116.501 C5 C4 H12 116.501
C5 C4 H13 116.501 H8 C2 H9 111.773
H10 C3 H11 111.773 H12 C4 H13 111.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability