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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-195.237591
Energy at 298.15K-195.246835
HF Energy-195.237591
Nuclear repulsion energy176.121908
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 wB97X-D/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 A' 3239 3085 29.11      
2 A' 3224 3071 3.43      
3 A' 3152 3003 50.21      
4 A' 3132 2983 25.71      
5 A' 3083 2937 66.63      
6 A' 1529 1457 1.50      
7 A' 1509 1438 3.32      
8 A' 1387 1321 0.55      
9 A' 1274 1214 2.23      
10 A' 1227 1169 0.09      
11 A' 1146 1091 0.67      
12 A' 1050 1000 0.11      
13 A' 1000 952 3.43      
14 A' 959 914 7.94      
15 A' 927 883 0.43      
16 A' 807 769 1.18      
17 A' 789 752 11.43      
18 A' 429 409 0.52      
19 A" 3217 3065 25.07      
20 A" 3135 2986 0.64      
21 A" 3073 2928 56.35      
22 A" 1498 1427 0.63      
23 A" 1331 1268 7.54      
24 A" 1281 1220 1.57      
25 A" 1239 1180 0.01      
26 A" 1138 1084 0.14      
27 A" 1088 1037 3.68      
28 A" 1067 1016 0.86      
29 A" 1006 958 5.63      
30 A" 948 903 0.16      
31 A" 805 767 19.97      
32 A" 689 656 0.23      
33 A" 277 264 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 25826.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 24602.3 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 wB97X-D/cc-pVDZ
ABC
0.30617 0.20399 0.15994

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.246 -0.538 0.761
C2 -0.246 -0.538 -0.761
C3 -0.246 0.993 0.781
C4 -0.246 0.993 -0.781
C5 0.943 -1.044 0.000
H6 -0.801 -1.175 1.442
H7 -0.801 -1.175 -1.442
H8 0.611 1.462 1.277
H9 0.611 1.462 -1.277
H10 -1.165 1.417 1.191
H11 -1.165 1.417 -1.191
H12 1.877 -0.481 0.000
H13 1.074 -2.123 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52261.53092.17291.50021.08502.35962.23572.98112.20252.91182.25562.1986
C21.52262.17291.53091.50022.35961.08502.98112.23572.91182.20252.25562.1986
C31.53092.17291.56172.48502.33363.15421.09552.27781.09262.21682.69963.4728
C42.17291.53091.56172.48503.15422.33362.27781.09552.21681.09262.69963.4728
C51.50021.50022.48502.48502.26672.26672.83242.83243.45313.45311.09001.0864
H61.08502.35962.33363.15422.26672.88362.99574.04212.62953.71273.11912.5477
H72.35961.08503.15422.33362.26672.88364.04212.99573.71272.62953.11912.5477
H82.23572.98111.09552.27782.83242.99574.04212.55391.77923.04132.64723.8335
H92.98112.23572.27781.09552.83244.04212.99572.55393.04131.77922.64723.8335
H102.20252.91181.09262.21683.45312.62953.71271.77923.04132.38233.77834.3547
H112.91182.20252.21681.09263.45313.71272.62953.04131.77922.38233.77834.3547
H122.25562.25562.69962.69961.09003.11913.11912.64722.64723.77833.77831.8276
H132.19862.19863.47283.47281.08642.54772.54773.83353.83354.35474.35471.8276

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 90.732 C1 C2 C5 59.505
C1 C2 H7 128.839 C1 C3 C4 89.268
C1 C3 H8 115.703 C1 C3 H10 113.123
C1 C5 C2 60.991 C1 C5 H12 120.277
C1 C5 H13 115.488 C2 C1 C3 90.732
C2 C1 C5 59.505 C2 C1 H6 128.839
C2 C4 C3 89.268 C2 C4 H9 115.703
C2 C4 H11 113.123 C2 C5 H12 120.277
C2 C5 H13 115.488 C3 C1 C5 110.132
C3 C1 H6 125.409 C3 C4 H9 116.925
C3 C4 H11 112.057 C4 C2 C5 110.132
C4 C2 H7 125.409 C4 C3 H8 116.925
C4 C3 H10 112.057 C5 C1 H6 121.687
C5 C2 H7 121.687 H8 C3 H10 108.802
H9 C4 H11 108.802 H12 C5 H13 114.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 C -0.072      
3 C -0.342      
4 C -0.342      
5 C -0.377      
6 H 0.147      
7 H 0.147      
8 H 0.148      
9 H 0.148      
10 H 0.154      
11 H 0.154      
12 H 0.148      
13 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.270 -0.047 0.000 0.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.331 0.153 0.000
y 0.153 -30.796 0.000
z 0.000 0.000 -32.569
Traceless
 xyz
x 0.352 0.153 0.000
y 0.153 1.154 0.000
z 0.000 0.000 -1.505
Polar
3z2-r2-3.011
x2-y2-0.535
xy0.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.494 -0.382 0.000
y -0.382 8.110 0.000
z 0.000 0.000 7.785


<r2> (average value of r2) Å2
<r2> 98.078
(<r2>)1/2 9.903