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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-248.093136
Energy at 298.15K-248.101093
Nuclear repulsion energy209.436862
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 B3LYP/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' 3178 3066 29.85      
2 A' 3152 3041 5.47      
3 A' 3110 3001 1.71      
4 A' 3103 2994 2.34      
5 A' 3099 2991 21.95      
6 A' 2341 2259 8.84      
7 A' 1551 1497 0.88      
8 A' 1534 1480 4.53      
9 A' 1373 1325 0.11      
10 A' 1297 1252 3.99      
11 A' 1253 1209 0.21      
12 A' 1138 1098 2.66      
13 A' 1059 1022 0.14      
14 A' 937 904 0.68      
15 A' 888 857 2.41      
16 A' 751 724 2.37      
17 A' 621 599 1.38      
18 A' 554 535 1.38      
19 A' 273 264 1.08      
20 A' 106 102 1.94      
21 A" 3168 3057 6.94      
22 A" 3105 2996 35.20      
23 A" 1527 1474 5.39      
24 A" 1302 1256 3.80      
25 A" 1289 1243 0.01      
26 A" 1257 1213 1.25      
27 A" 1222 1179 1.44      
28 A" 1052 1015 0.60      
29 A" 936 903 0.56      
30 A" 912 880 1.70      
31 A" 797 769 1.11      
32 A" 591 570 0.15      
33 A" 205 198 2.81      

Unscaled Zero Point Vibrational Energy (zpe) 24340.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 23486.3 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 B3LYP/3-21G
ABC
0.31082 0.07950 0.07015

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.657 2.072 0.000
C2 0.739 1.355 0.000
C3 -0.376 0.436 0.000
C4 -0.819 -1.728 0.000
C5 -0.376 -0.701 1.106
C6 -0.376 -0.701 -1.106
H7 -1.326 0.978 0.000
H8 -1.901 -1.877 0.000
H9 -0.308 -2.692 0.000
H10 0.639 -0.894 1.457
H11 -1.050 -0.545 1.948
H12 0.639 -0.894 -1.457
H13 -1.050 -0.545 -1.948

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16512.61004.53573.61183.61183.17765.31595.15333.45814.23943.45814.2394
C21.16511.44503.45402.58662.58662.09934.17324.17962.68143.25642.68143.2564
C32.61001.44502.20871.58541.58541.09382.77053.12812.21852.28292.21852.2829
C44.53573.45402.20871.57281.57282.75321.09261.09032.22312.29142.22312.2914
C53.61182.58661.58541.57282.21102.22312.22082.27831.09161.09032.76283.1313
C63.61182.58661.58541.57282.21102.22312.22082.27832.76283.13131.09161.0903
H73.17762.09931.09382.75322.22312.22312.91253.80803.08052.48823.08052.4882
H85.31594.17322.77051.09262.22082.22082.91251.78883.08872.50933.08872.5093
H95.15334.17963.12811.09032.27832.27833.80801.78882.49992.99262.49992.9926
H103.45812.68142.21852.22311.09162.76283.08053.08872.49991.79352.91333.8170
H114.23943.25642.28292.29141.09033.13132.48822.50932.99261.79353.81703.8969
H123.45812.68142.21852.22312.76281.09163.08053.08872.49992.91333.81701.7935
H134.23943.25642.28292.29143.13131.09032.48822.50932.99263.81703.89691.7935

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.525 C2 C3 C5 117.118
C2 C3 C6 117.118 C2 C3 H7 110.799
C3 C5 C4 88.747 C3 C5 H10 110.579
C3 C5 H11 115.885 C3 C6 C4 88.747
C3 C6 H12 110.579 C3 C6 H13 115.885
C4 C5 H10 111.832 C4 C5 H11 117.580
C4 C6 H12 111.832 C4 C6 H13 117.580
C5 C3 C6 88.422 C5 C3 H7 110.810
C5 C4 C6 89.319 C5 C4 H8 111.587
C5 C4 H9 116.459 C6 C3 H7 110.810
C6 C4 H8 111.587 C6 C4 H9 116.459
H8 C4 H9 110.068 H10 C5 H11 110.574
H12 C6 H13 110.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.486      
2 C 0.349      
3 C -0.296      
4 C -0.385      
5 C -0.340      
6 C -0.340      
7 H 0.247      
8 H 0.205      
9 H 0.200      
10 H 0.220      
11 H 0.204      
12 H 0.220      
13 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.788 -2.738 0.000 3.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.590 -6.248 0.000
y -6.248 -41.865 0.000
z 0.000 0.000 -35.301
Traceless
 xyz
x -1.007 -6.248 0.000
y -6.248 -4.420 0.000
z 0.000 0.000 5.427
Polar
3z2-r210.854
x2-y22.275
xy-6.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.422 1.664 0.000
y 1.664 7.904 0.000
z 0.000 0.000 6.315


<r2> (average value of r2) Å2
<r2> 168.303
(<r2>)1/2 12.973