return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-246.617767
Energy at 298.15K-246.623240
Nuclear repulsion energy199.901980
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/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' 3429 3095 0.31      
2 A' 3354 3028 18.61      
3 A' 3253 2937 43.34      
4 A' 2605 2351 83.82      
5 A' 1681 1517 4.26      
6 A' 1530 1381 4.39      
7 A' 1313 1185 2.22      
8 A' 1262 1139 6.55      
9 A' 1201 1084 6.06      
10 A' 1055 952 0.20      
11 A' 976 881 53.27      
12 A' 918 829 9.66      
13 A' 655 592 34.37      
14 A' 587 530 1.50      
15 A' 469 423 0.84      
16 A' 215 194 3.58      
17 A" 3355 3028 4.52      
18 A" 3255 2938 30.23      
19 A" 1629 1470 0.01      
20 A" 1423 1285 0.12      
21 A" 1258 1136 0.08      
22 A" 1203 1086 0.07      
23 A" 1123 1014 0.74      
24 A" 1022 923 0.01      
25 A" 935 844 0.23      
26 A" 605 547 0.03      
27 A" 209 189 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 20260.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 18287.4 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/6-31G**
ABC
0.29961 0.09780 0.08399

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.698 -0.023 2.067
H2 -1.479 1.384 1.224
C3 -0.962 0.440 1.130
H4 -0.698 -0.023 -2.067
H5 -1.479 1.384 -1.224
C6 -0.962 0.440 -1.130
C7 0.000 0.267 0.000
H8 -1.452 -1.522 0.000
C9 -1.280 -0.467 0.000
N10 2.421 -0.579 0.000
C11 1.347 -0.206 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.81641.07734.13323.66353.24122.20062.66212.19233.78312.9136
H21.81641.08043.66352.44892.58932.22153.15412.22844.53513.4666
C31.07731.08043.24122.58932.26101.49472.31691.48363.71032.6516
H44.13323.66353.24121.81641.07732.20062.66212.19233.78312.9136
H53.66352.44892.58931.81641.08042.22153.15412.22844.53513.4666
C63.24122.58932.26101.07731.08041.49472.31691.48363.71032.6516
C72.20062.22151.49472.20062.22151.49472.30421.47532.56491.4280
H82.66213.15412.31692.66213.15412.31692.30421.06943.98643.0932
C92.19232.22841.48362.19232.22841.48361.47531.06943.70292.6401
N103.78314.53513.71033.78314.53513.71032.56493.98643.70291.1369
C112.91363.46662.65162.91363.46662.65161.42803.09322.64011.1369

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 114.663 H1 C3 C7 116.714
H1 C3 C9 116.868 H2 C3 C7 118.347
H2 C3 C9 119.883 C3 C7 C6 98.280
C3 C7 C9 59.933 C3 C7 C11 130.232
C3 C9 C6 99.279 C3 C9 C7 60.684
C3 C9 H8 129.619 H4 C6 H5 114.663
H4 C6 C7 116.714 H4 C6 C9 116.868
H5 C6 C7 118.347 H5 C6 C9 119.883
C6 C7 C9 59.933 C6 C7 C11 130.232
C6 C9 C7 60.684 C6 C9 H8 129.619
C7 C3 C9 59.383 C7 C6 C9 59.383
C7 C9 H8 129.083 C7 C11 N10 179.795
C9 C7 C11 130.824
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.159 0.176    
2 H 0.141 0.142    
3 C -0.220 -0.357    
4 H 0.159 0.176    
5 H 0.141 0.142    
6 C -0.220 -0.357    
7 C -0.081 0.053    
8 H 0.178 0.102    
9 C -0.116 0.037    
10 N -0.462 -0.514    
11 C 0.320 0.402    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.194 0.560 0.000 4.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.058 2.441 0.000
y 2.441 -34.327 0.000
z 0.000 0.000 -32.048
Traceless
 xyz
x -12.871 2.441 0.000
y 2.441 4.726 0.000
z 0.000 0.000 8.145
Polar
3z2-r216.289
x2-y2-11.731
xy2.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.001 -0.943 0.000
y -0.943 5.841 0.000
z 0.000 0.000 6.687


<r2> (average value of r2) Å2
<r2> 143.431
(<r2>)1/2 11.976