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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-248.112390
Energy at 298.15K-248.117548
Nuclear repulsion energy199.280148
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 B1B95/6-31G(2df,p)
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' 3285 3146 0.08      
2 A' 3216 3080 9.08      
3 A' 3101 2969 34.68      
4 A' 2368 2268 64.67      
5 A' 1545 1479 4.68      
6 A' 1428 1368 3.63      
7 A' 1209 1158 0.74      
8 A' 1136 1088 8.59      
9 A' 1104 1057 3.48      
10 A' 954 914 2.10      
11 A' 926 886 36.80      
12 A' 837 801 11.73      
13 A' 629 603 19.34      
14 A' 540 517 0.60      
15 A' 428 410 0.61      
16 A' 198 189 3.11      
17 A" 3218 3082 1.84      
18 A" 3106 2975 21.32      
19 A" 1479 1417 0.19      
20 A" 1315 1259 0.04      
21 A" 1149 1100 0.14      
22 A" 1083 1037 0.10      
23 A" 1029 985 0.72      
24 A" 943 903 0.04      
25 A" 870 833 0.02      
26 A" 559 535 0.07      
27 A" 190 182 5.79      

Unscaled Zero Point Vibrational Energy (zpe) 18922.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 18121.6 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 B1B95/6-31G(2df,p)
ABC
0.29944 0.09725 0.08368

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.146 0.685 2.076
H2 1.105 1.706 1.208
C3 0.258 1.026 1.129
H4 -0.146 0.685 -2.076
H5 1.105 1.706 -1.208
C6 0.258 1.026 -1.129
C7 0.258 0.040 0.000
H8 -1.772 1.154 0.000
C9 -0.696 1.186 0.000
N10 -0.121 -2.498 0.000
C11 0.038 -1.352 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.83371.08464.15113.65913.24782.21082.67792.20473.80022.9143
H21.83371.08893.65912.41542.57672.22533.16902.23034.54303.4571
C31.08461.08893.24782.57672.25781.49902.32671.48683.72022.6421
H44.15113.65913.24781.83371.08462.21082.67792.20473.80022.9143
H53.65912.41542.57671.83371.08892.22533.16902.23034.54303.4571
C63.24782.57672.25781.08461.08891.49902.32671.48683.72022.6421
C72.21082.22531.49902.21082.22531.49902.31621.49112.56641.4097
H82.67793.16902.32672.67793.16902.32672.31621.07654.00863.0923
C92.20472.23031.48682.20472.23031.48681.49111.07653.72862.6422
N103.80024.54303.72023.80024.54303.72022.56644.00863.72861.1569
C112.91433.45712.64212.91433.45712.64211.40973.09232.64221.1569

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 115.053 H1 C3 C7 116.766
H1 C3 C9 117.186 H2 C3 C7 117.730
H2 C3 C9 119.160 C3 C7 C6 97.717
C3 C7 C9 59.635 C3 C7 C11 130.531
C3 C9 C6 98.796 C3 C9 C7 60.445
C3 C9 H8 129.682 H4 C6 H5 115.053
H4 C6 C7 116.766 H4 C6 C9 117.186
H5 C6 C7 117.730 H5 C6 C9 119.160
C6 C7 C9 59.635 C6 C7 C11 130.531
C6 C9 C7 60.445 C6 C9 H8 129.682
C7 C3 C9 59.920 C7 C6 C9 59.920
C7 C9 H8 128.134 C7 C11 N10 178.933
C9 C7 C11 131.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.151      
2 H 0.133      
3 C -0.306      
4 H 0.151      
5 H 0.133      
6 C -0.306      
7 C 0.104      
8 H 0.156      
9 C -0.106      
10 N -0.364      
11 C 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.178 4.014 0.000 4.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.045 -0.096 0.000
y -0.096 -45.074 0.000
z 0.000 0.000 -31.590
Traceless
 xyz
x 5.287 -0.096 0.000
y -0.096 -12.756 0.000
z 0.000 0.000 7.469
Polar
3z2-r214.938
x2-y212.029
xy-0.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.052 0.347 0.000
y 0.347 10.154 0.000
z 0.000 0.000 7.150


<r2> (average value of r2) Å2
<r2> 143.350
(<r2>)1/2 11.973