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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G
 hartrees
Energy at 0K-194.881174
Energy at 298.15K 
HF Energy-194.726260
Nuclear repulsion energy177.498915
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 B2PLYP=FULLultrafine/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' 3173 3173 0.00      
2 A1' 3094 3094 0.00      
3 A1' 1594 1594 0.00      
4 A1' 1134 1134 0.00      
5 A1' 933 933 0.00      
6 A1" 1021 1021 0.00      
7 A2' 3158 3158 0.00      
8 A2' 988 988 0.00      
9 A2" 3161 3161 111.98      
10 A2" 1278 1278 31.56      
11 A2" 831 831 4.56      
12 E' 3166 3166 65.17      
12 E' 3166 3166 65.17      
13 E' 3089 3089 67.11      
13 E' 3089 3089 67.11      
14 E' 1551 1551 0.44      
14 E' 1551 1551 0.44      
15 E' 1268 1268 1.38      
15 E' 1268 1268 1.38      
16 E' 1134 1134 0.26      
16 E' 1134 1134 0.26      
17 E' 894 894 1.29      
17 E' 894 894 1.29      
18 E' 553 553 0.18      
18 E' 553 553 0.18      
19 E" 1261 1261 0.00      
19 E" 1261 1261 0.00      
20 E" 1170 1170 0.00      
20 E" 1170 1170 0.00      
21 E" 1063 1063 0.00      
21 E" 1063 1063 0.00      
22 E" 769 769 0.00      
22 E" 769 769 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26098.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26098.1 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 B2PLYP=FULLultrafine/6-31G
ABC
0.23530 0.23530 0.20383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.955
C2 0.000 1.254 0.000
C3 1.086 -0.627 0.000
C4 -1.086 -0.627 0.000
C5 0.000 0.000 -0.955
H6 0.000 0.000 2.044
H7 0.000 0.000 -2.044
H8 0.905 1.868 0.000
H9 -0.905 1.868 0.000
H10 1.165 -1.718 0.000
H11 2.070 -0.150 0.000
H12 -2.070 -0.150 0.000
H13 -1.165 -1.718 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57641.57641.57641.90911.08942.99862.28462.28462.28462.28462.28462.2846
C21.57642.17282.17281.57642.39832.39831.09331.09333.19242.50182.50183.1924
C31.57642.17282.17281.57642.39832.39832.50183.19241.09331.09333.19242.5018
C41.57642.17282.17281.57642.39832.39833.19242.50182.50183.19241.09331.0933
C51.90911.57641.57641.57642.99861.08942.28462.28462.28462.28462.28462.2846
H61.08942.39832.39832.39832.99864.08802.91312.91312.91312.91312.91312.9131
H72.99862.39832.39832.39831.08944.08802.91312.91312.91312.91312.91312.9131
H82.28461.09332.50183.19242.28462.91312.91311.81013.59512.33033.59514.1404
H92.28461.09333.19242.50182.28462.91312.91311.81014.14043.59512.33033.5951
H102.28463.19241.09332.50182.28462.91312.91313.59514.14041.81013.59512.3303
H112.28462.50181.09333.19242.28462.91312.91312.33033.59511.81014.14043.5951
H122.28462.50183.19241.09332.28462.91312.91313.59512.33033.59514.14041.8101
H132.28463.19242.50181.09332.28462.91312.91314.14043.59512.33033.59511.8101

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 74.536 C1 C2 H8 116.520
C1 C2 H9 116.520 C1 C3 C5 74.536
C1 C3 H10 116.520 C1 C3 H11 116.520
C1 C4 C5 74.536 C1 C4 H12 116.520
C1 C4 H13 116.520 C2 C1 C3 87.132
C2 C1 C4 87.132 C2 C1 H6 127.268
C2 C5 C3 87.132 C2 C5 C4 87.132
C2 C5 H7 127.268 C3 C1 C4 87.132
C3 C1 H6 127.268 C3 C5 C4 87.132
C3 C5 H7 127.268 C4 C1 H6 127.268
C4 C5 H7 127.268 C5 C2 H8 116.520
C5 C2 H9 116.520 C5 C3 H10 116.520
C5 C3 H11 116.520 C5 C4 H12 116.520
C5 C4 H13 116.520 H8 C2 H9 111.740
H10 C3 H11 111.740 H12 C4 H13 111.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability