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: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-243.682710
Energy at 298.15K-243.687496
Nuclear repulsion energy194.867203
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 LSDA/STO-3G
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' 3505 3139 2.97      
2 A' 3489 3125 31.61      
3 A' 3345 2996 0.76      
4 A' 2313 2071 0.28      
5 A' 1625 1455 8.76      
6 A' 1483 1328 7.10      
7 A' 1268 1136 7.50      
8 A' 1201 1076 8.11      
9 A' 1136 1017 4.48      
10 A' 990 886 25.07      
11 A' 951 852 6.12      
12 A' 889 796 8.54      
13 A' 649 581 4.39      
14 A' 519 464 0.51      
15 A' 448 402 1.37      
16 A' 193 173 1.52      
17 A" 3503 3137 7.13      
18 A" 3350 3000 4.36      
19 A" 1562 1399 0.39      
20 A" 1380 1236 0.98      
21 A" 1185 1061 0.04      
22 A" 1154 1034 0.60      
23 A" 1067 955 0.01      
24 A" 972 871 0.50      
25 A" 922 825 0.00      
26 A" 541 484 0.18      
27 A" 180 161 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 19910.6 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 17830.0 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 LSDA/STO-3G
ABC
0.29382 0.09142 0.07936

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.172 -0.723 2.102
H2 -1.065 -1.773 1.197
C3 -0.222 -1.065 1.135
H4 0.172 -0.723 -2.102
H5 -1.065 -1.773 -1.197
C6 -0.222 -1.065 -1.135
C7 -0.222 -0.039 0.000
H8 1.867 -1.212 0.000
C9 0.772 -1.196 0.000
N10 -0.013 2.587 0.000
C11 -0.104 1.382 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.85791.09954.20443.67683.27882.24522.74482.23703.92522.9875
H21.85791.10203.67682.39432.57842.26903.21652.26724.64243.5087
C31.09951.10203.27882.57842.26941.52972.38241.51443.83052.7004
H44.20443.67683.27881.85791.09952.24522.74482.23703.92522.9875
H53.67682.39432.57841.85791.10202.26903.21652.26724.64243.5087
C63.27882.57842.26941.09951.10201.52972.38241.51443.83052.7004
C72.24522.26901.52972.24522.26901.52972.39621.52552.63501.4265
H82.74483.21652.38242.74483.21652.38242.39621.09544.23893.2586
C92.23702.26721.51442.23702.26721.51441.52551.09543.86402.7234
N103.92524.64243.83053.92524.64243.83052.63504.23893.86401.2085
C112.98753.50872.70042.98753.50872.70041.42653.25862.72341.2085

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 115.113 H1 C3 C7 116.331
H1 C3 C9 116.801 H2 C3 C7 118.210
H2 C3 C9 119.270 C3 C7 C6 95.765
C3 C7 C9 59.431 C3 C7 C11 131.941
C3 C9 C6 97.053 C3 C9 C7 60.425
C3 C9 H8 131.131 H4 C6 H5 115.113
H4 C6 C7 116.331 H4 C6 C9 116.801
H5 C6 C7 118.210 H5 C6 C9 119.270
C6 C7 C9 59.431 C6 C7 C11 131.941
C6 C9 C7 60.425 C6 C9 H8 131.131
C7 C3 C9 60.145 C7 C6 C9 60.145
C7 C9 H8 131.506 C7 C11 N10 179.628
C9 C7 C11 134.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.119      
2 H 0.112      
3 C -0.168      
4 H 0.119      
5 H 0.112      
6 C -0.168      
7 C -0.040      
8 H 0.131      
9 C -0.101      
10 N -0.172      
11 C 0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.447 -3.167 0.000 3.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.088 0.601 0.000
y 0.601 -41.027 0.000
z 0.000 0.000 -30.277
Traceless
 xyz
x 4.564 0.601 0.000
y 0.601 -10.344 0.000
z 0.000 0.000 5.780
Polar
3z2-r211.560
x2-y29.938
xy0.601
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.925 0.019 0.000
y 0.019 6.565 0.000
z 0.000 0.000 3.720


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000