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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-246.691042
Energy at 298.15K-246.696518
Nuclear repulsion energy200.445528
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/cc-pVTZ
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' 3403 3097 0.11      
2 A' 3326 3027 17.67      
3 A' 3228 2938 44.14      
4 A' 2579 2347 87.20      
5 A' 1668 1518 3.61      
6 A' 1518 1382 4.80      
7 A' 1301 1184 1.87      
8 A' 1253 1141 7.64      
9 A' 1195 1087 6.62      
10 A' 1047 953 0.56      
11 A' 965 878 48.67      
12 A' 909 827 12.36      
13 A' 645 587 33.97      
14 A' 588 535 1.07      
15 A' 467 425 0.77      
16 A' 212 193 3.55      
17 A" 3327 3028 3.75      
18 A" 3230 2940 32.07      
19 A" 1619 1473 0.12      
20 A" 1408 1281 0.02      
21 A" 1249 1137 0.07      
22 A" 1194 1086 0.04      
23 A" 1116 1015 0.92      
24 A" 1013 922 0.00      
25 A" 923 840 0.21      
26 A" 605 550 0.04      
27 A" 208 190 7.52      

Unscaled Zero Point Vibrational Energy (zpe) 20095.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 18288.9 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/cc-pVTZ
ABC
0.30038 0.09851 0.08454

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.695 -0.025 2.064
H2 -1.482 1.374 1.221
C3 -0.961 0.434 1.129
H4 -0.695 -0.025 -2.064
H5 -1.482 1.374 -1.221
C6 -0.961 0.434 -1.129
C7 0.000 0.266 0.000
H8 -1.438 -1.528 0.000
C9 -1.274 -0.474 0.000
N10 2.414 -0.562 0.000
C11 1.345 -0.200 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.81291.07484.12763.65613.23712.19712.65852.18973.77002.9069
H21.81291.07803.65612.44232.58432.21683.14802.22414.51873.4581
C31.07481.07803.23712.58432.25881.49262.31331.48233.69612.6449
H44.12763.65613.23711.81291.07482.19712.65852.18973.77002.9069
H53.65612.44232.58431.81291.07802.21683.14802.22414.51873.4581
C63.23712.58432.25881.07481.07801.49262.31331.48233.69612.6449
C72.19712.21681.49262.19712.21681.49262.29871.47272.55221.4233
H82.65853.14802.31332.65853.14802.31332.29871.06673.97073.0828
C92.18972.22411.48232.18972.22411.48231.47271.06673.68862.6325
N103.77004.51873.69613.77004.51873.69612.55223.97073.68861.1289
C112.90693.45812.64492.90693.45812.64491.42333.08282.63251.1289

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 114.729 H1 C3 C7 116.751
H1 C3 C9 116.919 H2 C3 C7 118.276
H2 C3 C9 119.780 C3 C7 C6 98.347
C3 C7 C9 59.980 C3 C7 C11 130.193
C3 C9 C6 99.269 C3 C9 C7 60.674
C3 C9 H8 129.609 H4 C6 H5 114.729
H4 C6 C7 116.751 H4 C6 C9 116.919
H5 C6 C7 118.276 H5 C6 C9 119.780
C6 C7 C9 59.980 C6 C7 C11 130.193
C6 C9 C7 60.674 C6 C9 H8 129.609
C7 C3 C9 59.346 C7 C6 C9 59.346
C7 C9 H8 128.994 C7 C11 N10 179.599
C9 C7 C11 130.733
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.147 0.157   0.189
2 H 0.128 0.131   0.168
3 C -0.265 -0.120   -0.383
4 H 0.147 0.157   0.189
5 H 0.128 0.131   0.168
6 C -0.265 -0.120   -0.383
7 C 0.024 -0.167   0.048
8 H 0.180 0.149   0.139
9 C -0.095 -0.239   -0.020
10 N -0.142 -0.582   -0.501
11 C 0.013 0.502   0.387


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.235 0.608 0.000 4.278
CHELPG        
AIM        
ESP -4.270 0.647 0.000 4.319


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.311 2.360 0.000
y 2.360 -34.534 0.000
z 0.000 0.000 -32.381
Traceless
 xyz
x -12.854 2.360 0.000
y 2.360 4.812 0.000
z 0.000 0.000 8.042
Polar
3z2-r216.084
x2-y2-11.777
xy2.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.736 -0.804 0.000
y -0.804 6.531 0.000
z 0.000 0.000 7.357


<r2> (average value of r2) Å2
<r2> 142.862
(<r2>)1/2 11.952