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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-247.969167
Energy at 298.15K-247.977153
Nuclear repulsion energy210.457567
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 B1B95/3-21G
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 3063 22.19      
2 A' 3180 3042 6.29      
3 A' 3128 2993 1.79      
4 A' 3122 2987 0.76      
5 A' 3118 2983 19.47      
6 A' 2360 2258 9.81      
7 A' 1543 1476 1.35      
8 A' 1523 1457 7.04      
9 A' 1369 1309 0.14      
10 A' 1296 1240 7.05      
11 A' 1253 1199 0.25      
12 A' 1136 1087 3.00      
13 A' 1081 1035 0.13      
14 A' 954 913 0.87      
15 A' 905 866 2.81      
16 A' 753 720 2.30      
17 A' 602 576 1.73      
18 A' 558 534 1.46      
19 A' 278 266 0.97      
20 A' 113 108 2.07      
21 A" 3192 3054 9.77      
22 A" 3122 2987 27.75      
23 A" 1515 1450 6.90      
24 A" 1301 1245 5.70      
25 A" 1286 1230 0.21      
26 A" 1255 1201 1.45      
27 A" 1218 1165 2.21      
28 A" 1052 1007 0.59      
29 A" 955 913 0.81      
30 A" 930 889 2.05      
31 A" 796 762 1.74      
32 A" 597 571 0.19      
33 A" 203 195 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 24447.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23389.2 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 B1B95/3-21G
ABC
0.31902 0.07991 0.07054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.662 2.065 0.000
C2 0.747 1.345 0.000
C3 -0.361 0.426 0.000
C4 -0.874 -1.697 0.000
C5 -0.361 -0.705 1.094
C6 -0.361 -0.705 -1.094
H7 -1.314 0.961 0.000
H8 -1.965 -1.751 0.000
H9 -0.447 -2.698 0.000
H10 0.663 -0.938 1.390
H11 -0.987 -0.536 1.968
H12 0.663 -0.938 -1.390
H13 -0.987 -0.536 -1.968

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16342.60304.53673.60003.60003.17425.26395.20863.45634.20143.45634.2014
C21.16341.43973.44742.57472.57472.09734.11594.21592.67433.22802.67433.2280
C32.60301.43972.18441.57391.57391.09292.70403.12562.20042.27852.20042.2785
C44.53673.44742.18441.56341.56342.69371.09181.08872.20702.28832.20702.2883
C53.60002.57471.57391.56342.18822.20922.20512.27511.09101.08872.69683.1305
C63.60002.57471.57391.56342.18822.20922.20512.27512.69683.13051.09101.0887
H73.17422.09731.09292.69372.20922.20922.78823.76023.07362.49403.07362.4940
H85.26394.11592.70401.09182.20512.20512.78821.78953.08182.51143.08182.5114
H95.20864.21593.12561.08872.27512.27513.76021.78952.50212.97382.50212.9738
H103.45632.67432.20042.20701.09102.69683.07363.08182.50211.79442.77963.7633
H114.20143.22802.27852.28831.08873.13052.49402.51142.97381.79443.76333.9369
H123.45632.67432.20042.20702.69681.09103.07363.08182.50212.77963.76331.7944
H134.20143.22802.27852.28833.13051.08872.49402.51142.97383.76333.93691.7944

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.547 C2 C3 C5 117.309
C2 C3 C6 117.309 C2 C3 H7 111.073
C3 C5 C4 88.256 C3 C5 H10 109.995
C3 C5 H11 116.503 C3 C6 C4 88.256
C3 C6 H12 109.995 C3 C6 H13 116.503
C4 C5 H10 111.249 C4 C5 H11 118.165
C4 C6 H12 111.249 C4 C6 H13 118.165
C5 C3 C6 88.078 C5 C3 H7 110.576
C5 C4 C6 88.823 C5 C4 H8 111.051
C5 C4 H9 117.025 C6 C3 H7 110.576
C6 C4 H8 111.051 C6 C4 H9 117.025
H8 C4 H9 110.310 H10 C5 H11 110.817
H12 C6 H13 110.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.491      
2 C 0.360      
3 C -0.344      
4 C -0.426      
5 C -0.377      
6 C -0.377      
7 H 0.274      
8 H 0.227      
9 H 0.220      
10 H 0.242      
11 H 0.225      
12 H 0.242      
13 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.803 -2.773 0.000 3.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.449 -6.288 0.000
y -6.288 -41.675 0.000
z 0.000 0.000 -35.134
Traceless
 xyz
x -1.045 -6.288 0.000
y -6.288 -4.384 0.000
z 0.000 0.000 5.429
Polar
3z2-r210.857
x2-y22.226
xy-6.288
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.433 1.676 0.000
y 1.676 7.887 0.000
z 0.000 0.000 6.309


<r2> (average value of r2) Å2
<r2> 153.461
(<r2>)1/2 12.388