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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-195.163180
Energy at 298.15K-195.172169
Nuclear repulsion energy173.916527
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 BLYP/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' 3108 3113 26.75      
2 A' 3084 3089 14.13      
3 A' 3024 3029 54.60      
4 A' 3003 3008 26.22      
5 A' 2956 2960 71.21      
6 A' 1439 1441 0.70      
7 A' 1417 1419 1.15      
8 A' 1311 1313 1.82      
9 A' 1195 1196 0.51      
10 A' 1169 1171 0.19      
11 A' 1087 1089 0.49      
12 A' 990 992 0.20      
13 A' 948 950 2.20      
14 A' 898 900 4.70      
15 A' 867 868 2.92      
16 A' 755 756 1.35      
17 A' 729 730 5.81      
18 A' 403 404 0.54      
19 A" 3076 3081 30.33      
20 A" 3006 3011 1.53      
21 A" 2946 2951 54.51      
22 A" 1413 1415 0.00      
23 A" 1254 1256 2.86      
24 A" 1212 1214 0.16      
25 A" 1175 1177 0.04      
26 A" 1078 1080 0.00      
27 A" 1031 1033 2.62      
28 A" 1006 1007 0.15      
29 A" 957 959 3.10      
30 A" 901 903 0.04      
31 A" 767 768 9.94      
32 A" 665 666 0.00      
33 A" 261 261 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 24564.8 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 24604.1 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 BLYP/cc-pVDZ
ABC
0.29882 0.19916 0.15561

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.247 -0.541 0.777
C2 -0.247 -0.541 -0.777
C3 -0.247 1.006 0.789
C4 -0.247 1.006 -0.789
C5 0.948 -1.064 0.000
H6 -0.811 -1.184 1.467
H7 -0.811 -1.184 -1.467
H8 0.620 1.486 1.291
H9 0.620 1.486 -1.291
H10 -1.178 1.435 1.206
H11 -1.178 1.435 -1.206
H12 1.901 -0.507 0.000
H13 1.063 -2.159 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55321.54642.20071.51841.09962.40142.26353.02232.22572.94932.28432.2215
C21.55322.20071.54641.51842.40141.09963.02232.26352.94932.22572.28432.2215
C31.54642.20071.57852.51712.36033.19421.11082.30421.10692.24302.74283.5142
C42.20071.54641.57852.51713.19422.36032.30421.11082.24301.10692.74283.5142
C51.51841.51842.51712.51712.29422.29422.87742.87743.49583.49581.10431.1002
H61.09962.40142.36033.19422.29422.93443.03434.09682.65673.75943.15752.5720
H72.40141.09963.19422.36032.29422.93444.09683.03433.75942.65673.15752.5720
H82.26353.02231.11082.30422.87743.03434.09682.58211.80113.07732.69793.8918
H93.02232.26352.30421.11082.87744.09683.03432.58213.07731.80112.69793.8918
H102.22572.94931.10692.24303.49582.65673.75941.80113.07732.41113.83474.4030
H112.94932.22572.24301.10693.49583.75942.65673.07731.80112.41113.83474.4030
H122.28432.28432.74282.74281.10433.15753.15752.69792.69793.83473.83471.8528
H132.22152.22153.51423.51421.10022.57202.57203.89183.89184.40304.40301.8528

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 90.468 C1 C2 C5 59.238
C1 C2 H7 128.907 C1 C3 C4 89.532
C1 C3 H8 115.862 C1 C3 H10 112.991
C1 C5 C2 61.524 C1 C5 H12 120.327
C1 C5 H13 115.138 C2 C1 C3 90.468
C2 C1 C5 59.238 C2 C1 H6 128.907
C2 C4 C3 89.532 C2 C4 H9 115.862
C2 C4 H11 112.991 C2 C5 H12 120.327
C2 C5 H13 115.138 C3 C1 C5 110.431
C3 C1 H6 125.416 C3 C4 H9 116.856
C3 C4 H11 112.095 C4 C2 C5 110.431
C4 C2 H7 125.416 C4 C3 H8 116.856
C4 C3 H10 112.095 C5 C1 H6 121.584
C5 C2 H7 121.584 H8 C3 H10 108.613
H9 C4 H11 108.613 H12 C5 H13 114.385
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.040      
2 C -0.040      
3 C 0.076      
4 C 0.076      
5 C 0.077      
6 H -0.051      
7 H -0.051      
8 H -0.012      
9 H -0.012      
10 H -0.006      
11 H -0.006      
12 H -0.011      
13 H -0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.256 -0.086 0.000 0.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.789 0.095 0.000
y 0.095 -31.332 0.000
z 0.000 0.000 -32.758
Traceless
 xyz
x 0.256 0.095 0.000
y 0.095 0.941 0.000
z 0.000 0.000 -1.197
Polar
3z2-r2-2.395
x2-y2-0.457
xy0.095
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.383 -0.403 0.000
y -0.403 8.263 0.000
z 0.000 0.000 7.578


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000