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All results from a given calculation for C5H5N (Bicyclo[1.1.0]butane-1-carbonitrile)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-245.210079
Energy at 298.15K-245.215634
Nuclear repulsion energy198.914426
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 HF/3-21G*
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' 3481 3142 0.49      
2 A' 3390 3060 11.82      
3 A' 3293 2972 22.04      
4 A' 2591 2339 71.56      
5 A' 1669 1507 2.18      
6 A' 1509 1362 8.95      
7 A' 1296 1170 19.38      
8 A' 1284 1159 4.12      
9 A' 1199 1082 7.74      
10 A' 1067 963 0.62      
11 A' 975 880 46.64      
12 A' 919 830 7.56      
13 A' 664 599 11.94      
14 A' 611 552 21.63      
15 A' 490 442 2.50      
16 A' 232 209 2.08      
17 A" 3391 3061 1.70      
18 A" 3296 2975 16.93      
19 A" 1634 1475 0.41      
20 A" 1368 1235 0.22      
21 A" 1277 1152 0.59      
22 A" 1186 1071 0.04      
23 A" 1111 1003 0.41      
24 A" 1026 926 0.26      
25 A" 879 793 0.21      
26 A" 645 582 0.47      
27 A" 222 200 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 20351.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 18369.5 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 HF/3-21G*
ABC
0.29882 0.09641 0.08311

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.723 -0.059 2.075
H2 -1.555 1.290 1.182
C3 -0.998 0.372 1.131
H4 -0.723 -0.059 -2.075
H5 -1.555 1.290 -1.182
C6 -0.998 0.372 -1.131
C7 0.000 0.209 0.000
H8 -1.445 -1.632 0.000
C9 -1.262 -0.586 0.000
N10 2.479 -0.349 0.000
C11 1.366 -0.098 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.81901.07334.14943.62173.24642.21342.70152.20743.82652.9444
H21.81901.07463.62172.36382.55002.23213.15362.23624.51143.4428
C31.07331.07463.24642.55002.26231.51712.34441.50593.72652.6621
H44.14943.62173.24641.81901.07332.21342.70152.20743.82652.9444
H53.62172.36382.55001.81901.07462.23213.15362.23624.51143.4428
C63.24642.55002.26231.07331.07461.51712.34441.50593.72652.6621
C72.21342.23211.51712.21342.23211.51712.33991.49182.54091.3999
H82.70153.15362.34442.70153.15362.34442.33991.06174.12803.2015
C92.20742.23621.50592.20742.23621.50591.49181.06173.74892.6730
N103.82654.51143.72653.82654.51143.72652.54094.12803.74891.1411
C112.94443.44282.66212.94443.44282.66211.39993.20152.67301.1411

picture of Bicyclo[1.1.0]butane-1-carbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 115.751 H1 C3 C7 116.355
H1 C3 C9 116.709 H2 C3 C7 117.907
H2 C3 C9 119.185 C3 C7 C6 96.422
C3 C7 C9 60.057 C3 C7 C11 131.700
C3 C9 C6 97.380 C3 C9 C7 60.806
C3 C9 H8 131.073 H4 C6 H5 115.751
H4 C6 C7 116.355 H4 C6 C9 116.709
H5 C6 C7 117.907 H5 C6 C9 119.185
C6 C7 C9 60.057 C6 C7 C11 131.700
C6 C9 C7 60.806 C6 C9 H8 131.073
C7 C3 C9 59.137 C7 C6 C9 59.137
C7 C9 H8 132.071 C7 C11 N10 179.998
C9 C7 C11 135.129
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.253 0.204    
2 H 0.236 0.170    
3 C -0.260 -0.412    
4 H 0.253 0.204    
5 H 0.236 0.170    
6 C -0.260 -0.412    
7 C -0.170 -0.024    
8 H 0.253 0.128    
9 C -0.255 0.020    
10 N -0.521 -0.518    
11 C 0.235 0.472    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.076 0.027 0.000 4.076
CHELPG -4.079 0.072 0.000 4.079
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.898 1.360 0.000
y 1.360 -34.413 0.000
z 0.000 0.000 -32.549
Traceless
 xyz
x -13.418 1.360 0.000
y 1.360 5.311 0.000
z 0.000 0.000 8.107
Polar
3z2-r216.214
x2-y2-12.486
xy1.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.687 -0.551 0.000
y -0.551 5.167 0.000
z 0.000 0.000 6.336


<r2> (average value of r2) Å2
<r2> 145.037
(<r2>)1/2 12.043