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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-195.147764
Energy at 298.15K-195.156835
HF Energy-195.147764
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3150 3088 36.91      
2 A' 3129 3068 14.73      
3 A' 3069 3009 65.31      
4 A' 3050 2990 30.06      
5 A' 3000 2941 76.66      
6 A' 1506 1477 0.62      
7 A' 1482 1453 1.08      
8 A' 1357 1330 1.54      
9 A' 1230 1206 0.95      
10 A' 1205 1181 0.30      
11 A' 1122 1100 0.37      
12 A' 1021 1001 0.02      
13 A' 971 952 2.01      
14 A' 930 912 7.92      
15 A' 900 882 1.59      
16 A' 779 764 0.60      
17 A' 772 757 6.95      
18 A' 411 403 0.69      
19 A" 3121 3060 38.34      
20 A" 3050 2990 1.40      
21 A" 2991 2932 61.93      
22 A" 1481 1452 0.02      
23 A" 1295 1269 3.87      
24 A" 1245 1221 1.02      
25 A" 1210 1186 0.08      
26 A" 1113 1091 0.02      
27 A" 1061 1040 3.00      
28 A" 1036 1016 0.00      
29 A" 985 966 4.42      
30 A" 925 907 0.14      
31 A" 793 777 11.39      
32 A" 669 656 0.14      
33 A" 263 257 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 25158.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 24665.5 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 B97D3/6-31G*
ABC
0.30366 0.20230 0.15836

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.246 -0.539 0.766
C2 -0.246 -0.539 -0.766
C3 -0.246 0.997 0.785
C4 -0.246 0.997 -0.785
C5 0.944 -1.052 0.000
H6 -0.804 -1.179 1.451
H7 -0.804 -1.179 -1.451
H8 0.615 1.471 1.283
H9 0.615 1.471 -1.283
H10 -1.170 1.424 1.197
H11 -1.170 1.424 -1.197
H12 1.886 -0.493 0.000
H13 1.068 -2.136 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53251.53622.18291.50481.09092.37412.24672.99672.21182.92592.26542.2054
C21.53252.18291.53621.50482.37411.09092.99672.24672.92592.21182.26542.2054
C31.53622.18291.56942.49562.34323.16921.10152.28921.09802.22772.71633.4869
C42.18291.53621.56942.49563.16922.34322.28921.10152.22771.09802.71633.4869
C51.50481.50482.49562.49562.27502.27502.84942.84943.46803.46801.09551.0914
H61.09092.37412.34323.16922.27502.90143.01074.06312.64053.73073.13232.5547
H72.37411.09093.16922.34322.27502.90144.06313.01073.73072.64053.13232.5547
H82.24672.99671.10152.28922.84943.01074.06312.56591.78713.05552.66793.8553
H92.99672.24672.28921.10152.84944.06313.01072.56593.05551.78712.66793.8553
H102.21182.92591.09802.22773.46802.64053.73071.78713.05552.39393.80014.3719
H112.92592.21182.22771.09803.46803.73072.64053.05551.78712.39393.80014.3719
H122.26542.26542.71632.71631.09553.13233.13232.66792.66793.80013.80011.8355
H132.20542.20543.48693.48691.09142.55472.55473.85533.85534.37194.37191.8355

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 90.752 C1 C2 C5 59.442
C1 C2 H7 128.958 C1 C3 C4 89.248
C1 C3 H8 115.814 C1 C3 H10 113.205
C1 C5 C2 61.115 C1 C5 H12 120.371
C1 C5 H13 115.471 C2 C1 C3 90.752
C2 C1 C5 59.442 C2 C1 H6 128.958
C2 C4 C3 89.248 C2 C4 H9 115.814
C2 C4 H11 113.205 C2 C5 H12 120.371
C2 C5 H13 115.471 C3 C1 C5 110.361
C3 C1 H6 125.312 C3 C4 H9 116.967
C3 C4 H11 112.030 C4 C2 C5 110.361
C4 C2 H7 125.312 C4 C3 H8 116.967
C4 C3 H10 112.030 C5 C1 H6 121.557
C5 C2 H7 121.557 H8 C3 H10 108.651
H9 C4 H11 108.651 H12 C5 H13 114.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.120      
3 C -0.284      
4 C -0.284      
5 C -0.324      
6 H 0.136      
7 H 0.136      
8 H 0.137      
9 H 0.137      
10 H 0.146      
11 H 0.146      
12 H 0.144      
13 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.266 -0.086 0.000 0.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.892 0.153 0.000
y 0.153 -30.400 0.000
z 0.000 0.000 -32.020
Traceless
 xyz
x 0.318 0.153 0.000
y 0.153 1.056 0.000
z 0.000 0.000 -1.374
Polar
3z2-r2-2.748
x2-y2-0.492
xy0.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.881 -0.385 0.000
y -0.385 7.636 0.000
z 0.000 0.000 6.981


<r2> (average value of r2) Å2
<r2> 98.525
(<r2>)1/2 9.926