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 C5H7N (Cyclobutanecarbonitrile)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-249.362328
Energy at 298.15K-249.370210
Nuclear repulsion energy210.817888
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 B3PW91/6-31G*
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' 3166 3029 39.48      
2 A' 3144 3008 9.77      
3 A' 3102 2967 1.87      
4 A' 3093 2959 6.42      
5 A' 3090 2956 25.37      
6 A' 2366 2264 16.53      
7 A' 1536 1470 0.82      
8 A' 1510 1444 4.02      
9 A' 1374 1315 1.78      
10 A' 1294 1238 0.79      
11 A' 1251 1197 0.22      
12 A' 1138 1089 2.56      
13 A' 1092 1045 0.02      
14 A' 977 935 0.86      
15 A' 908 868 1.89      
16 A' 762 729 1.60      
17 A' 590 565 1.33      
18 A' 534 510 0.70      
19 A' 266 254 1.72      
20 A' 127 121 2.89      
21 A" 3158 3022 13.09      
22 A" 3098 2964 44.68      
23 A" 1503 1438 2.06      
24 A" 1294 1238 2.28      
25 A" 1269 1215 0.38      
26 A" 1254 1200 0.24      
27 A" 1221 1168 0.45      
28 A" 1047 1002 0.05      
29 A" 966 924 0.03      
30 A" 958 917 2.48      
31 A" 799 764 1.39      
32 A" 545 521 0.01      
33 A" 180 173 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 24305.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23253.1 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 B3PW91/6-31G*
ABC
0.32727 0.07923 0.06999

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.618 2.123 0.000
C2 0.735 1.368 0.000
C3 -0.348 0.396 0.000
C4 -0.863 -1.699 0.000
C5 -0.348 -0.723 1.081
C6 -0.348 -0.723 -1.081
H7 -1.305 0.930 0.000
H8 -1.956 -1.765 0.000
H9 -0.452 -2.712 0.000
H10 0.672 -0.962 1.395
H11 -0.964 -0.551 1.969
H12 0.672 -0.962 -1.395
H13 -0.964 -0.551 -1.969

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16212.61644.55653.62403.62403.15685.28045.25963.51534.20563.51534.2056
C21.16211.45453.45792.59082.59082.08614.12914.24912.71623.23102.71623.2310
C32.61641.45452.15801.55651.55651.09582.69343.11062.19852.26962.19852.2696
C44.55653.45792.15801.54521.54522.66661.09511.09332.20142.28142.20142.2814
C53.62402.59081.55651.54522.16302.19522.19992.26681.09391.09342.68933.1163
C63.62402.59081.55651.54522.16302.19522.19992.26682.68933.11631.09391.0934
H73.15682.08611.09582.66662.19522.19522.77243.74143.07212.48703.07212.4870
H85.28044.12912.69341.09512.19992.19992.77241.77783.08182.51663.08182.5166
H95.25964.24913.11061.09332.26682.26683.74141.77782.50482.96832.50482.9683
H103.51532.71622.19852.20141.09392.68933.07213.08182.50481.78162.79053.7630
H114.20563.23102.26962.28141.09343.11632.48702.51662.96831.78163.76303.9371
H123.51532.71622.19852.20142.68931.09393.07213.08182.50482.79053.76301.7816
H134.20563.23102.26962.28143.11631.09342.48702.51662.96833.76303.93711.7816

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.647 C2 C3 C5 118.696
C2 C3 C6 118.696 C2 C3 H7 108.952
C3 C5 C4 88.171 C3 C5 H10 110.885
C3 C5 H11 116.767 C3 C6 C4 88.171
C3 C6 H12 110.885 C3 C6 H13 116.767
C4 C5 H10 111.916 C4 C5 H11 118.678
C4 C6 H12 111.916 C4 C6 H13 118.678
C5 C3 C6 88.028 C5 C3 H7 110.514
C5 C4 C6 88.838 C5 C4 H8 111.721
C5 C4 H9 117.412 C6 C3 H7 110.514
C6 C4 H8 111.721 C6 C4 H9 117.412
H8 C4 H9 108.658 H10 C5 H11 109.081
H12 C6 H13 109.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.489      
2 C 0.364      
3 C -0.226      
4 C -0.336      
5 C -0.320      
6 C -0.320      
7 H 0.215      
8 H 0.177      
9 H 0.180      
10 H 0.193      
11 H 0.185      
12 H 0.193      
13 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.917 -3.043 0.000 4.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.022 -6.557 0.000
y -6.557 -42.069 0.000
z 0.000 0.000 -34.857
Traceless
 xyz
x -0.560 -6.557 0.000
y -6.557 -5.129 0.000
z 0.000 0.000 5.689
Polar
3z2-r211.377
x2-y23.046
xy-6.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.876 1.804 0.000
y 1.804 8.569 0.000
z 0.000 0.000 6.776


<r2> (average value of r2) Å2
<r2> 156.656
(<r2>)1/2 12.516