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

using model chemistry: MP3=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-194.826618
Energy at 298.15K 
HF Energy-193.949436
Nuclear repulsion energy179.321400
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/6-311G**
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' 3176 3176 0.00      
2 A1' 3109 3109 0.00      
3 A1' 1585 1585 0.00      
4 A1' 1155 1155 0.00      
5 A1' 936 936 0.00      
6 A1" 1021 1021 0.00      
7 A2' 3169 3169 0.00      
8 A2' 984 984 0.00      
9 A2" 3170 3170 114.71      
10 A2" 1292 1292 37.14      
11 A2" 871 871 5.70      
12 E' 3174 3174 65.75      
12 E' 3174 3174 65.75      
13 E' 3103 3103 71.84      
13 E' 3103 3103 71.84      
14 E' 1536 1536 0.18      
14 E' 1536 1536 0.18      
15 E' 1292 1292 1.96      
15 E' 1292 1292 1.96      
16 E' 1139 1139 0.44      
16 E' 1139 1139 0.44      
17 E' 927 927 0.45      
17 E' 927 927 0.45      
18 E' 555 555 0.20      
18 E' 555 555 0.20      
19 E" 1239 1239 0.00      
19 E" 1239 1239 0.00      
20 E" 1177 1177 0.00      
20 E" 1177 1177 0.00      
21 E" 1047 1047 0.00      
21 E" 1047 1047 0.00      
22 E" 819 819 0.00      
22 E" 819 819 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26241.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26241.6 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/6-311G**
ABC
0.24066 0.24066 0.20844

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.942
C2 0.000 1.238 0.000
C3 1.072 -0.619 0.000
C4 -1.072 -0.619 0.000
C5 0.000 0.000 -0.942
H6 0.000 0.000 2.032
H7 0.000 0.000 -2.032
H8 0.906 1.850 0.000
H9 -0.906 1.850 0.000
H10 1.150 -1.710 0.000
H11 2.055 -0.141 0.000
H12 -2.055 -0.141 0.000
H13 -1.150 -1.710 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55581.55581.55581.88371.09012.97382.26532.26532.26532.26532.26532.2653
C21.55582.14492.14491.55582.37962.37961.09321.09323.16432.47522.47523.1643
C31.55582.14492.14491.55582.37962.37962.47523.16431.09321.09323.16432.4752
C41.55582.14492.14491.55582.37962.37963.16432.47522.47523.16431.09321.0932
C51.88371.55581.55581.55582.97381.09012.26532.26532.26532.26532.26532.2653
H61.09012.37962.37962.37962.97384.06392.89372.89372.89372.89372.89372.8937
H72.97382.37962.37962.37961.09014.06392.89372.89372.89372.89372.89372.8937
H82.26531.09322.47523.16432.26532.89372.89371.81173.56842.29923.56844.1109
H92.26531.09323.16432.47522.26532.89372.89371.81174.11093.56842.29923.5684
H102.26533.16431.09322.47522.26532.89372.89373.56844.11091.81173.56842.2992
H112.26532.47521.09323.16432.26532.89372.89372.29923.56841.81174.11093.5684
H122.26532.47523.16431.09322.26532.89372.89373.56842.29923.56844.11091.8117
H132.26533.16432.47521.09322.26532.89372.89374.11093.56842.29923.56841.8117

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 74.510 C1 C2 H8 116.463
C1 C2 H9 116.463 C1 C3 C5 74.510
C1 C3 H10 116.463 C1 C3 H11 116.463
C1 C4 C5 74.510 C1 C4 H12 116.463
C1 C4 H13 116.463 C2 C1 C3 87.151
C2 C1 C4 87.151 C2 C1 H6 127.255
C2 C5 C3 87.151 C2 C5 C4 87.151
C2 C5 H7 127.255 C3 C1 C4 87.151
C3 C1 H6 127.255 C3 C5 C4 87.151
C3 C5 H7 127.255 C4 C1 H6 127.255
C4 C5 H7 127.255 C5 C2 H8 116.463
C5 C2 H9 116.463 C5 C3 H10 116.463
C5 C3 H11 116.463 C5 C4 H12 116.463
C5 C4 H13 116.463 H8 C2 H9 111.909
H10 C3 H11 111.909 H12 C4 H13 111.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability