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: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-248.110006
Energy at 298.15K-248.114909
Nuclear repulsion energy196.418679
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/6-31+G**
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' 3175 3158 0.53      
2 A' 3112 3095 13.48      
3 A' 3005 2989 48.77      
4 A' 2219 2207 86.73      
5 A' 1497 1489 3.16      
6 A' 1355 1348 4.70      
7 A' 1155 1149 0.09      
8 A' 1105 1099 12.71      
9 A' 1069 1064 4.36      
10 A' 917 912 3.56      
11 A' 867 863 44.32      
12 A' 721 717 6.66      
13 A' 588 585 24.21      
14 A' 497 494 0.14      
15 A' 412 410 0.89      
16 A' 185 184 2.85      
17 A" 3115 3098 4.50      
18 A" 3009 2993 28.60      
19 A" 1457 1450 0.07      
20 A" 1249 1242 0.03      
21 A" 1109 1103 0.13      
22 A" 1059 1053 0.05      
23 A" 996 991 0.60      
24 A" 916 911 0.12      
25 A" 810 806 0.11      
26 A" 526 524 0.50      
27 A" 183 182 5.34      

Unscaled Zero Point Vibrational Energy (zpe) 18154.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 18058.1 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/6-31+G**
ABC
0.28875 0.09513 0.08155

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.694 -0.071 2.100
H2 -1.567 1.321 1.256
C3 -0.993 0.390 1.152
H4 -0.694 -0.071 -2.100
H5 -1.567 1.321 -1.256
C6 -0.993 0.390 -1.152
C7 0.000 0.293 0.000
H8 -1.354 -1.621 0.000
C9 -1.291 -0.535 0.000
N10 2.487 -0.469 0.000
C11 1.355 -0.137 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.84711.09484.19933.73613.29812.24112.69192.23163.83232.9349
H21.84711.09913.73612.51162.64522.25643.20632.25834.60613.4992
C31.09481.09913.29812.64522.30491.52442.34561.50743.76502.6684
H44.19933.73613.29811.84711.09482.24112.69192.23163.83232.9349
H53.73612.51162.64521.84711.09912.25643.20632.25834.60613.4992
C63.29812.64522.30491.09481.09911.52442.34561.50743.76502.6684
C72.24112.25641.52442.24112.25641.52442.34391.53332.60071.4217
H82.69193.20632.34562.69193.20632.34562.34391.08774.00933.0885
C92.23162.25831.50742.23162.25831.50741.53331.08773.77802.6757
N103.83234.60613.76503.83234.60613.76502.60074.00933.77801.1792
C112.93493.49922.66842.93493.49922.66841.42173.08852.67571.1792

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 114.691 H1 C3 C7 116.707
H1 C3 C9 117.208 H2 C3 C7 117.739
H2 C3 C9 119.265 C3 C7 C6 98.224
C3 C7 C9 59.073 C3 C7 C11 129.813
C3 C9 C6 99.731 C3 C9 C7 60.171
C3 C9 H8 128.607 H4 C6 H5 114.691
H4 C6 C7 116.707 H4 C6 C9 117.208
H5 C6 C7 117.739 H5 C6 C9 119.265
C6 C7 C9 59.073 C6 C7 C11 129.813
C6 C9 C7 60.171 C6 C9 H8 128.607
C7 C3 C9 60.756 C7 C6 C9 60.756
C7 C9 H8 125.976 C7 C11 N10 178.745
C9 C7 C11 129.736
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.159      
2 H 0.147      
3 C -0.375      
4 H 0.159      
5 H 0.147      
6 C -0.375      
7 C 0.366      
8 H 0.153      
9 C -0.026      
10 N -0.587      
11 C 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.262 0.415 0.000 4.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.338 1.785 0.000
y 1.785 -34.896 0.000
z 0.000 0.000 -32.793
Traceless
 xyz
x -13.494 1.785 0.000
y 1.785 5.170 0.000
z 0.000 0.000 8.324
Polar
3z2-r216.647
x2-y2-12.442
xy1.785
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 147.540
(<r2>)1/2 12.147