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: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-247.883452
Energy at 298.15K-247.888419
Nuclear repulsion energy197.251401
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 PBEPBE/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' 3202 3156 0.22      
2 A' 3137 3093 10.08      
3 A' 3028 2985 41.66      
4 A' 2260 2228 64.41      
5 A' 1512 1490 3.47      
6 A' 1387 1367 3.77      
7 A' 1179 1162 0.53      
8 A' 1110 1094 11.79      
9 A' 1081 1066 3.43      
10 A' 928 915 7.40      
11 A' 890 877 37.63      
12 A' 768 757 8.60      
13 A' 615 606 19.94      
14 A' 508 500 0.32      
15 A' 416 410 0.97      
16 A' 189 186 2.73      
17 A" 3140 3095 3.04      
18 A" 3032 2989 22.75      
19 A" 1463 1442 0.12      
20 A" 1280 1262 0.01      
21 A" 1125 1109 0.12      
22 A" 1058 1043 0.14      
23 A" 1008 994 0.41      
24 A" 926 913 0.11      
25 A" 845 833 0.01      
26 A" 535 527 0.44      
27 A" 183 181 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 18401.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 18138.4 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 PBEPBE/6-31G*
ABC
0.29185 0.09587 0.08232

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.132 0.680 2.094
H2 1.164 1.689 1.242
C3 0.293 1.023 1.144
H4 -0.132 0.680 -2.094
H5 1.164 1.689 -1.242
C6 0.293 1.023 -1.144
C7 0.293 0.030 0.000
H8 -1.742 1.175 0.000
C9 -0.654 1.222 0.000
N10 -0.234 -2.511 0.000
C11 -0.004 -1.356 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.85031.09624.18853.71893.28382.23372.68752.22523.81832.9237
H21.85031.10083.71892.48462.62592.24823.20202.25094.59773.4898
C31.09621.10083.28382.62592.28761.51462.33961.49833.75162.6561
H44.18853.71893.28381.85031.09622.23372.68752.22523.81832.9237
H53.71892.48462.62591.85031.10082.24823.20202.25094.59773.4898
C63.28382.62592.28761.09621.10081.51462.33961.49833.75162.6561
C72.23372.24821.51462.23372.24821.51462.33521.52222.59511.4173
H82.68753.20202.33962.68753.20202.33962.33521.08913.98263.0706
C92.22522.25091.49832.22522.25091.49831.52221.08913.75622.6584
N103.81834.59773.75163.81834.59773.75162.59513.98263.75621.1778
C112.92373.48982.65612.92373.48982.65611.41733.07062.65841.1778

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 114.740 H1 C3 C7 116.730
H1 C3 C9 117.267 H2 C3 C7 117.665
H2 C3 C9 119.216 C3 C7 C6 98.078
C3 C7 C9 59.123 C3 C7 C11 129.868
C3 C9 C6 99.530 C3 C9 C7 60.186
C3 C9 H8 128.748 H4 C6 H5 114.740
H4 C6 C7 116.730 H4 C6 C9 117.267
H5 C6 C7 117.665 H5 C6 C9 119.216
C6 C7 C9 59.123 C6 C7 C11 129.868
C6 C9 C7 60.186 C6 C9 H8 128.748
C7 C3 C9 60.691 C7 C6 C9 60.691
C7 C9 H8 126.026 C7 C11 N10 179.207
C9 C7 C11 129.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.188      
2 H 0.173      
3 C -0.351      
4 H 0.188      
5 H 0.173      
6 C -0.351      
7 C 0.051      
8 H 0.191      
9 C -0.089      
10 N -0.484      
11 C 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.057 3.976 0.000 3.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.404 -0.470 0.000
y -0.470 -45.241 0.000
z 0.000 0.000 -31.657
Traceless
 xyz
x 5.045 -0.470 0.000
y -0.470 -12.711 0.000
z 0.000 0.000 7.665
Polar
3z2-r215.330
x2-y211.837
xy-0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.891 0.625 0.000
y 0.625 10.482 0.000
z 0.000 0.000 7.014


<r2> (average value of r2) Å2
<r2> 145.492
(<r2>)1/2 12.062