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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-245.210078
Energy at 298.15K-245.215647
Nuclear repulsion energy198.916162
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 3152 0.49      
2 A' 3390 3070 11.81      
3 A' 3293 2982 22.05      
4 A' 2591 2346 71.57      
5 A' 1669 1512 2.18      
6 A' 1509 1367 8.95      
7 A' 1296 1174 19.38      
8 A' 1284 1163 4.11      
9 A' 1199 1086 7.74      
10 A' 1067 966 0.62      
11 A' 975 883 46.64      
12 A' 919 832 7.56      
13 A' 664 601 11.94      
14 A' 611 554 21.63      
15 A' 490 444 2.51      
16 A' 232 210 2.08      
17 A" 3391 3071 1.71      
18 A" 3296 2985 16.92      
19 A" 1634 1480 0.41      
20 A" 1368 1239 0.22      
21 A" 1277 1156 0.59      
22 A" 1186 1074 0.04      
23 A" 1111 1006 0.41      
24 A" 1026 929 0.26      
25 A" 879 796 0.21      
26 A" 645 584 0.47      
27 A" 222 201 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 20351.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 18430.7 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
0.29883 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 -1.444 -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
H11.81901.07334.14943.62163.24642.21342.70152.20743.82652.9444
H21.81901.07463.62162.36362.54992.23213.15362.23624.51143.4428
C31.07331.07463.24642.54992.26231.51712.34431.50593.72652.6621
H44.14943.62163.24641.81901.07332.21342.70152.20743.82652.9444
H53.62162.36362.54991.81901.07462.23213.15362.23624.51143.4428
C63.24642.54992.26231.07331.07461.51712.34431.50593.72652.6621
C72.21342.23211.51712.21342.23211.51712.33991.49182.54091.3998
H82.70153.15362.34432.70153.15362.34432.33991.06174.12803.2015
C92.20742.23621.50592.20742.23621.50591.49181.06173.74892.6730
N103.82654.51143.72653.82654.51143.72652.54094.12803.74891.1411
C112.94443.44282.66212.94443.44282.66211.39983.20152.67301.1411

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 115.749 H1 C3 C7 116.357
H1 C3 C9 116.711 H2 C3 C7 117.905
H2 C3 C9 119.187 C3 C7 C6 96.419
C3 C7 C9 60.057 C3 C7 C11 131.702
C3 C9 C6 97.379 C3 C9 C7 60.807
C3 C9 H8 131.074 H4 C6 H5 115.749
H4 C6 C7 116.357 H4 C6 C9 116.711
H5 C6 C7 117.905 H5 C6 C9 119.187
C6 C7 C9 60.057 C6 C7 C11 131.702
C6 C9 C7 60.807 C6 C9 H8 131.074
C7 C3 C9 59.136 C7 C6 C9 59.136
C7 C9 H8 132.073 C7 C11 N10 179.997
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 0.178   0.219
2 H 0.236 0.143   0.201
3 C -0.260 -0.364   -0.431
4 H 0.253 0.178   0.219
5 H 0.236 0.143   0.201
6 C -0.260 -0.364   -0.431
7 C -0.170 0.060   -0.119
8 H 0.253 0.101   0.177
9 C -0.255 0.041   -0.045
10 N -0.521 -0.515   -0.527
11 C 0.235 0.402   0.537


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 -4.193 0.596 0.000 4.235
AIM        
ESP -4.091 0.074 0.000 4.092


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.898 1.360 0.000
y 1.360 -34.412 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 8.686 -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> 145.035
(<r2>)1/2 12.043