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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-248.001088
Energy at 298.15K-248.009065
Nuclear repulsion energy209.872384
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 B3PW91/3-21G
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' 3189 3066 23.31      
2 A' 3164 3041 5.42      
3 A' 3117 2996 1.64      
4 A' 3111 2990 1.07      
5 A' 3106 2985 20.83      
6 A' 2344 2253 10.48      
7 A' 1543 1483 1.20      
8 A' 1523 1464 6.21      
9 A' 1370 1316 0.05      
10 A' 1295 1245 7.07      
11 A' 1252 1203 0.28      
12 A' 1135 1091 2.92      
13 A' 1074 1033 0.20      
14 A' 949 912 1.03      
15 A' 896 862 2.72      
16 A' 753 724 2.60      
17 A' 615 591 1.90      
18 A' 558 536 1.41      
19 A' 275 264 0.99      
20 A' 109 104 2.03      
21 A" 3180 3056 7.48      
22 A" 3112 2991 31.44      
23 A" 1516 1457 7.46      
24 A" 1300 1249 5.71      
25 A" 1286 1236 0.15      
26 A" 1254 1205 1.58      
27 A" 1220 1173 2.21      
28 A" 1054 1013 0.70      
29 A" 951 914 0.63      
30 A" 926 890 2.12      
31 A" 795 764 1.59      
32 A" 596 573 0.17      
33 A" 205 197 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 24385.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 23439.5 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 B3PW91/3-21G
ABC
0.31391 0.07975 0.07039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.660 2.067 0.000
C2 0.742 1.348 0.000
C3 -0.371 0.432 0.000
C4 -0.838 -1.715 0.000
C5 -0.371 -0.701 1.100
C6 -0.371 -0.701 -1.100
H7 -1.323 0.974 0.000
H8 -1.926 -1.831 0.000
H9 -0.356 -2.694 0.000
H10 0.649 -0.909 1.432
H11 -1.029 -0.539 1.956
H12 0.649 -0.909 -1.432
H13 -1.029 -0.539 -1.956

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16612.60784.53323.60553.60553.17765.29685.17063.45404.22513.45404.2251
C21.16611.44193.44732.57882.57882.09884.15044.18912.67503.24432.67503.2443
C32.60781.44192.19761.57941.57941.09522.74563.12632.21152.28072.21152.2807
C44.53323.44732.19761.56791.56792.73231.09391.09122.21682.29022.21682.2902
C53.60552.57881.57941.56792.20102.21842.21482.27691.09291.09122.73853.1305
C63.60552.57881.57941.56792.20102.21842.21482.27692.73853.13051.09291.0912
H73.17762.09881.09522.73232.21842.21842.86853.79323.07982.49003.07982.4900
H85.29684.15042.74561.09392.21482.21482.86851.79183.08752.50963.08752.5096
H95.17064.18913.12631.09122.27692.27693.79321.79182.49982.98712.49982.9871
H103.45402.67502.21152.21681.09292.73853.07983.08752.49981.79662.86463.7991
H114.22513.24432.28072.29021.09123.13052.49002.50962.98711.79663.79913.9116
H123.45402.67502.21152.21682.73851.09293.07983.08752.49982.86463.79911.7966
H134.22513.24432.28072.29023.13051.09122.49002.50962.98713.79913.91161.7966

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.578 C2 C3 C5 117.123
C2 C3 C6 117.123 C2 C3 H7 110.900
C3 C5 C4 88.571 C3 C5 H10 110.369
C3 C5 H11 116.093 C3 C6 C4 88.571
C3 C6 H12 110.369 C3 C6 H13 116.093
C4 C5 H10 111.596 C4 C5 H11 117.802
C4 C6 H12 111.596 C4 C6 H13 117.802
C5 C3 C6 88.335 C5 C3 H7 110.776
C5 C4 C6 89.157 C5 C4 H8 111.379
C5 C4 H9 116.662 C6 C3 H7 110.776
C6 C4 H8 111.379 C6 C4 H9 116.662
H8 C4 H9 110.170 H10 C5 H11 110.684
H12 C6 H13 110.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.501      
2 C 0.369      
3 C -0.341      
4 C -0.435      
5 C -0.385      
6 C -0.385      
7 H 0.276      
8 H 0.230      
9 H 0.225      
10 H 0.245      
11 H 0.228      
12 H 0.245      
13 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.837 -2.793 0.000 3.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.448 -6.340 0.000
y -6.340 -41.777 0.000
z 0.000 0.000 -35.150
Traceless
 xyz
x -0.985 -6.340 0.000
y -6.340 -4.478 0.000
z 0.000 0.000 5.463
Polar
3z2-r210.926
x2-y22.329
xy-6.340
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.447 1.679 0.000
y 1.679 7.911 0.000
z 0.000 0.000 6.322


<r2> (average value of r2) Å2
<r2> 167.641
(<r2>)1/2 12.948