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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-246.453024
Energy at 298.15K-246.461273
Nuclear repulsion energy211.143694
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/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' 3331 3007 33.96      
2 A' 3305 2983 6.18      
3 A' 3274 2955 1.82      
4 A' 3266 2948 2.97      
5 A' 3253 2936 25.13      
6 A' 2583 2331 14.53      
7 A' 1660 1498 0.87      
8 A' 1636 1476 5.09      
9 A' 1488 1343 0.81      
10 A' 1414 1276 3.92      
11 A' 1356 1224 0.35      
12 A' 1231 1111 3.63      
13 A' 1119 1010 0.78      
14 A' 984 888 0.48      
15 A' 952 859 3.96      
16 A' 800 722 3.00      
17 A' 667 602 1.03      
18 A' 594 536 2.35      
19 A' 295 266 1.93      
20 A' 111 101 2.39      
21 A" 3321 2997 8.00      
22 A" 3260 2943 41.18      
23 A" 1633 1474 5.08      
24 A" 1419 1281 3.98      
25 A" 1401 1264 0.50      
26 A" 1366 1233 2.08      
27 A" 1326 1197 0.73      
28 A" 1142 1031 0.43      
29 A" 1007 909 0.63      
30 A" 958 865 2.51      
31 A" 856 772 1.16      
32 A" 639 577 0.02      
33 A" 223 201 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 25933.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 23407.7 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/3-21G*
ABC
0.31512 0.08079 0.07124

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.651 2.042 0.000
C2 0.749 1.344 0.000
C3 -0.375 0.435 0.000
C4 -0.825 -1.713 0.000
C5 -0.375 -0.691 1.099
C6 -0.375 -0.691 -1.099
H7 -1.305 0.985 0.000
H8 -1.897 -1.855 0.000
H9 -0.327 -2.670 0.000
H10 0.627 -0.893 1.446
H11 -1.038 -0.536 1.935
H12 0.627 -0.893 -1.446
H13 -1.038 -0.536 -1.935

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.14022.58584.49803.57523.57523.13895.26985.11003.42844.19803.42844.1980
C21.14021.44583.43882.57182.57182.08524.15154.15562.66693.23652.66693.2365
C32.58581.44582.19461.57341.57341.08082.74933.10492.20462.26432.20462.2643
C44.49803.43882.19461.56641.56642.74071.08081.07872.20802.27452.20802.2745
C53.57522.57181.57341.56642.19732.20992.20842.26341.07991.07862.74283.1091
C63.57522.57181.57341.56642.19732.20992.20842.26342.74283.10911.07991.0786
H73.13892.08521.08082.74072.20992.20992.90123.78363.05862.47593.05862.4759
H85.26984.15152.74931.08082.20842.20842.90121.76873.06412.49383.06412.4938
H95.11004.15563.10491.07872.26342.26343.78361.76872.48182.96662.48182.9666
H103.42842.66692.20462.20801.07992.74283.05863.06412.48181.77212.89293.7862
H114.19803.23652.26432.27451.07863.10912.47592.49382.96661.77213.78623.8696
H123.42842.66692.20462.20802.74281.07993.05863.06412.48182.89293.78621.7721
H134.19803.23652.26432.27453.10911.07862.47592.49382.96663.78623.86961.7721

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.759 C2 C3 C5 116.759
C2 C3 C6 116.759 C2 C3 H7 110.401
C3 C5 C4 88.687 C3 C5 H10 111.011
C3 C5 H11 116.003 C3 C6 C4 88.687
C3 C6 H12 111.011 C3 C6 H13 116.003
C4 C5 H10 111.777 C4 C5 H11 117.426
C4 C6 H12 111.777 C4 C6 H13 117.426
C5 C3 C6 88.580 C5 C3 H7 111.385
C5 C4 C6 89.076 C5 C4 H8 111.755
C5 C4 H9 116.460 C6 C3 H7 111.385
C6 C4 H8 111.755 C6 C4 H9 116.460
H8 C4 H9 109.977 H10 C5 H11 110.370
H12 C6 H13 110.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.517      
2 C 0.357      
3 C -0.337      
4 C -0.433      
5 C -0.375      
6 C -0.375      
7 H 0.283      
8 H 0.228      
9 H 0.225      
10 H 0.244      
11 H 0.228      
12 H 0.244      
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
  -3.031 -2.927 0.000 4.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.767 -6.852 0.000
y -6.852 -42.965 0.000
z 0.000 0.000 -35.942
Traceless
 xyz
x -1.313 -6.852 0.000
y -6.852 -4.611 0.000
z 0.000 0.000 5.924
Polar
3z2-r211.848
x2-y22.198
xy-6.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.166 1.525 0.000
y 1.525 7.588 0.000
z 0.000 0.000 6.208


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000