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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-195.212697
Energy at 298.15K-195.221783
HF Energy-195.212697
Nuclear repulsion energy175.697940
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/TZVP
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' 3142 3096 33.16      
2 A' 3123 3078 9.61      
3 A' 3061 3017 57.40      
4 A' 3039 2996 30.73      
5 A' 2992 2949 78.33      
6 A' 1482 1460 1.19      
7 A' 1458 1437 1.98      
8 A' 1336 1317 1.12      
9 A' 1211 1194 1.85      
10 A' 1192 1175 0.05      
11 A' 1110 1094 0.78      
12 A' 1011 997 0.07      
13 A' 960 946 3.10      
14 A' 916 903 7.25      
15 A' 885 872 1.24      
16 A' 771 760 0.92      
17 A' 762 751 8.04      
18 A' 413 407 0.58      
19 A" 3116 3071 32.71      
20 A" 3042 2998 1.73      
21 A" 2984 2941 62.53      
22 A" 1456 1435 0.28      
23 A" 1275 1257 5.83      
24 A" 1235 1217 1.45      
25 A" 1198 1181 0.06      
26 A" 1103 1087 0.03      
27 A" 1049 1034 3.05      
28 A" 1029 1014 0.79      
29 A" 975 961 5.69      
30 A" 918 905 0.09      
31 A" 783 772 14.79      
32 A" 673 663 0.20      
33 A" 264 260 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 24981.1 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 24621.4 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 B97D3/TZVP
ABC
0.30464 0.20311 0.15890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.245 -0.538 0.766
C2 -0.245 -0.538 -0.766
C3 -0.245 0.996 0.784
C4 -0.245 0.996 -0.784
C5 0.941 -1.050 0.000
H6 -0.803 -1.177 1.445
H7 -0.803 -1.177 -1.445
H8 0.613 1.467 1.281
H9 0.613 1.467 -1.281
H10 -1.166 1.420 1.194
H11 -1.166 1.420 -1.194
H12 1.877 -0.489 0.000
H13 1.066 -2.130 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53141.53462.18101.50171.08642.36782.24112.99092.20652.91982.25692.1994
C21.53142.18101.53461.50172.36781.08642.99092.24112.91982.20652.25692.1994
C31.53462.18101.56812.49142.33863.16251.09742.28501.09392.22292.70643.4792
C42.18101.53461.56812.49143.16252.33862.28501.09742.22291.09392.70643.4792
C51.50171.50172.49142.49142.26882.26882.84272.84273.45943.45941.09121.0875
H61.08642.36782.33863.16252.26882.89033.00334.05262.63413.72033.12202.5476
H72.36781.08643.16252.33862.26882.89034.05263.00333.72032.63413.12202.5476
H82.24112.99091.09742.28502.84273.00334.05262.56151.78193.04832.65793.8448
H92.99092.24112.28501.09742.84274.05263.00332.56153.04831.78192.65793.8448
H102.20652.91981.09392.22293.45942.63413.72031.78193.04832.38793.78614.3602
H112.91982.20652.22291.09393.45943.72032.63413.04831.78192.38793.78614.3602
H122.25692.25692.70642.70641.09123.12203.12202.65792.65793.78613.78611.8308
H132.19942.19943.47923.47921.08752.54762.54763.84483.84484.36024.36021.8308

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 90.685 C1 C2 C5 59.342
C1 C2 H7 128.709 C1 C3 C4 89.315
C1 C3 H8 115.745 C1 C3 H10 113.090
C1 C5 C2 61.316 C1 C5 H12 120.185
C1 C5 H13 115.378 C2 C1 C3 90.685
C2 C1 C5 59.342 C2 C1 H6 128.709
C2 C4 C3 89.315 C2 C4 H9 115.745
C2 C4 H11 113.090 C2 C5 H12 120.185
C2 C5 H13 115.378 C3 C1 C5 110.272
C3 C1 H6 125.442 C3 C4 H9 116.911
C3 C4 H11 112.006 C4 C2 C5 110.272
C4 C2 H7 125.442 C4 C3 H8 116.911
C4 C3 H10 112.006 C5 C1 H6 121.652
C5 C2 H7 121.652 H8 C3 H10 108.811
H9 C4 H11 108.811 H12 C5 H13 114.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 C -0.034      
3 C -0.262      
4 C -0.262      
5 C -0.333      
6 H 0.140      
7 H 0.140      
8 H 0.102      
9 H 0.102      
10 H 0.109      
11 H 0.109      
12 H 0.107      
13 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.272 -0.065 0.000 0.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.528 0.164 0.000
y 0.164 -31.107 0.000
z 0.000 0.000 -32.719
Traceless
 xyz
x 0.385 0.164 0.000
y 0.164 1.016 0.000
z 0.000 0.000 -1.401
Polar
3z2-r2-2.803
x2-y2-0.421
xy0.164
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.824 -0.388 0.000
y -0.388 8.599 0.000
z 0.000 0.000 8.091


<r2> (average value of r2) Å2
<r2> 98.631
(<r2>)1/2 9.931