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All results from a given calculation for C5H8 (Bicyclo[2.1.0]pentane)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-195.217482
Energy at 298.15K-195.226579
HF Energy-195.217482
Nuclear repulsion energy175.886001
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 B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3141 3097 33.51      
2 A' 3122 3078 11.16      
3 A' 3058 3016 58.30      
4 A' 3039 2997 31.49      
5 A' 2991 2949 79.59      
6 A' 1478 1457 0.99      
7 A' 1456 1436 1.45      
8 A' 1338 1319 1.38      
9 A' 1211 1194 1.52      
10 A' 1193 1176 0.04      
11 A' 1110 1095 0.62      
12 A' 1010 996 0.06      
13 A' 962 949 2.76      
14 A' 920 907 7.12      
15 A' 888 876 1.00      
16 A' 771 760 0.46      
17 A' 766 756 7.39      
18 A' 411 406 0.50      
19 A" 3115 3071 34.77      
20 A" 3040 2997 2.03      
21 A" 2982 2940 60.78      
22 A" 1454 1433 0.15      
23 A" 1276 1258 5.07      
24 A" 1237 1220 1.07      
25 A" 1199 1183 0.02      
26 A" 1103 1087 0.03      
27 A" 1052 1037 2.69      
28 A" 1032 1018 0.52      
29 A" 977 963 4.75      
30 A" 917 904 0.06      
31 A" 786 775 12.60      
32 A" 671 662 0.14      
33 A" 264 261 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 24984.3 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 24634.5 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 B97D3/cc-pVTZ
ABC
0.30544 0.20349 0.15918

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.245 -0.537 0.765
C2 -0.245 -0.537 -0.765
C3 -0.245 0.995 0.783
C4 -0.245 0.995 -0.783
C5 0.940 -1.049 0.000
H6 -0.800 -1.175 1.445
H7 -0.800 -1.175 -1.445
H8 0.612 1.466 1.280
H9 0.612 1.466 -1.280
H10 -1.165 1.420 1.192
H11 -1.165 1.420 -1.192
H12 1.876 -0.490 0.000
H13 1.064 -2.128 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52971.53282.17831.50041.08512.36592.23882.98792.20452.91652.25462.1972
C21.52972.17831.53281.50042.36591.08512.98792.23882.91652.20452.25462.1972
C31.53282.17831.56612.48952.33593.15941.09622.28251.09272.21962.70473.4759
C42.17831.53281.56612.48953.15942.33592.28251.09622.21961.09272.70473.4759
C51.50041.50042.48952.48952.26552.26552.84122.84123.45663.45661.08991.0861
H61.08512.36592.33593.15942.26552.88962.99934.04862.63263.71723.11732.5437
H72.36591.08513.15942.33592.26552.88964.04862.99933.71722.63263.11732.5437
H82.23882.98791.09622.28252.84122.99934.04862.55941.77933.04402.65733.8420
H92.98792.23882.28251.09622.84124.04862.99932.55943.04401.77932.65733.8420
H102.20452.91651.09272.21963.45662.63263.71721.77933.04402.38343.78324.3562
H112.91652.20452.21961.09273.45663.71722.63263.04401.77932.38343.78324.3562
H122.25462.25462.70472.70471.08993.11733.11732.65732.65733.78323.78321.8285
H132.19722.19723.47593.47591.08612.54372.54373.84203.84204.35624.35621.8285

picture of Bicyclo[2.1.0]pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 90.740 C1 C2 C5 59.408
C1 C2 H7 128.937 C1 C3 C4 89.260
C1 C3 H8 115.766 C1 C3 H10 113.193
C1 C5 C2 61.183 C1 C5 H12 120.237
C1 C5 H13 115.462 C2 C1 C3 90.740
C2 C1 C5 59.408 C2 C1 H6 128.937
C2 C4 C3 89.260 C2 C4 H9 115.766
C2 C4 H11 113.193 C2 C5 H12 120.237
C2 C5 H13 115.462 C3 C1 C5 110.360
C3 C1 H6 125.369 C3 C4 H9 116.994
C3 C4 H11 111.980 C4 C2 C5 110.360
C4 C2 H7 125.369 C4 C3 H8 116.994
C4 C3 H10 111.980 C5 C1 H6 121.516
C5 C2 H7 121.516 H8 C3 H10 108.708
H9 C4 H11 108.708 H12 C5 H13 114.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 C -0.058      
3 C -0.122      
4 C -0.122      
5 C -0.206      
6 H 0.086      
7 H 0.086      
8 H 0.058      
9 H 0.058      
10 H 0.063      
11 H 0.063      
12 H 0.076      
13 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.255 -0.088 0.000 0.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.496 0.156 0.000
y 0.156 -31.140 0.000
z 0.000 0.000 -32.598
Traceless
 xyz
x 0.373 0.156 0.000
y 0.156 0.906 0.000
z 0.000 0.000 -1.280
Polar
3z2-r2-2.559
x2-y2-0.355
xy0.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.765 -0.432 0.000
y -0.432 8.659 0.000
z 0.000 0.000 8.090


<r2> (average value of r2) Å2
<r2> 98.450
(<r2>)1/2 9.922