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/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-246.635891
Energy at 298.15K-246.641333
Nuclear repulsion energy199.457167
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3414 3109 0.03      
2 A' 3344 3045 18.19      
3 A' 3238 2949 44.30      
4 A' 2570 2341 99.85      
5 A' 1658 1510 4.11      
6 A' 1514 1378 4.29      
7 A' 1294 1179 1.42      
8 A' 1237 1126 7.10      
9 A' 1183 1077 6.46      
10 A' 1032 940 0.55      
11 A' 960 874 51.87      
12 A' 894 814 10.46      
13 A' 644 587 37.32      
14 A' 579 528 0.90      
15 A' 462 421 0.72      
16 A' 208 190 3.71      
17 A" 3345 3046 3.20      
18 A" 3241 2951 32.91      
19 A" 1605 1461 0.17      
20 A" 1406 1281 0.00      
21 A" 1239 1128 0.01      
22 A" 1180 1074 0.07      
23 A" 1105 1006 0.89      
24 A" 1000 910 0.00      
25 A" 925 842 0.20      
26 A" 599 545 0.05      
27 A" 207 188 7.91      

Unscaled Zero Point Vibrational Energy (zpe) 20040.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 18248.5 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/aug-cc-pVDZ
ABC
0.29697 0.09777 0.08390

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.690 -0.030 2.073
H2 -1.500 1.374 1.231
C3 -0.967 0.433 1.135
H4 -0.690 -0.030 -2.073
H5 -1.500 1.374 -1.231
C6 -0.967 0.433 -1.135
C7 0.000 0.281 0.000
H8 -1.416 -1.544 0.000
C9 -1.275 -0.479 0.000
N10 2.423 -0.569 0.000
C11 1.347 -0.196 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.82611.08204.14563.67993.25302.20682.66692.19993.77902.9114
H21.82611.08513.67992.46212.60132.22673.16752.23534.54723.4764
C31.08201.08513.25302.60132.27021.49862.32351.48843.71262.6531
H44.14563.67993.25301.82611.08202.20682.66692.19993.77902.9114
H53.67992.46212.60131.82611.08512.22673.16752.23534.54723.4764
C63.25302.60132.27021.08201.08511.49862.32351.48843.71262.6531
C72.20682.22671.49862.20682.22671.49862.30931.48432.56791.4293
H82.66693.16752.32352.66693.16752.32352.30931.07423.96053.0740
C92.19992.23531.48842.19992.23531.48841.48431.07423.69952.6377
N103.77904.54723.71263.77904.54723.71262.56793.96053.69951.1386
C112.91143.47642.65312.91143.47642.65311.42933.07402.63771.1386

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 114.846 H1 C3 C7 116.628
H1 C3 C9 116.819 H2 C3 C7 118.165
H2 C3 C9 119.769 C3 C7 C6 98.474
C3 C7 C9 59.864 C3 C7 C11 129.936
C3 C9 C6 99.388 C3 C9 C7 60.547
C3 C9 H8 129.388 H4 C6 H5 114.846
H4 C6 C7 116.628 H4 C6 C9 116.819
H5 C6 C7 118.165 H5 C6 C9 119.769
C6 C7 C9 59.864 C6 C7 C11 129.936
C6 C9 C7 60.547 C6 C9 H8 129.388
C7 C3 C9 59.590 C7 C6 C9 59.590
C7 C9 H8 128.289 C7 C11 N10 179.613
C9 C7 C11 129.721
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.341      
2 H -0.300      
3 C 0.549      
4 H -0.341      
5 H -0.300      
6 C 0.549      
7 C 0.510      
8 H -0.409      
9 C 0.516      
10 N -0.430      
11 C -0.003      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.331 0.651 0.000 4.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.890 2.417 0.000
y 2.417 -34.806 0.000
z 0.000 0.000 -32.551
Traceless
 xyz
x -13.212 2.417 0.000
y 2.417 4.915 0.000
z 0.000 0.000 8.297
Polar
3z2-r216.595
x2-y2-12.084
xy2.417
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> 144.043
(<r2>)1/2 12.002