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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-246.950950
Energy at 298.15K-246.959096
Nuclear repulsion energy209.739705
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 CID/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' 3256 3033 29.00      
2 A' 3234 3013 6.04      
3 A' 3190 2972 2.46      
4 A' 3187 2969 1.78      
5 A' 3178 2961 19.10      
6 A' 2442 2275 4.15      
7 A' 1616 1505 0.95      
8 A' 1597 1488 5.50      
9 A' 1433 1335 0.79      
10 A' 1358 1265 4.23      
11 A' 1304 1215 0.06      
12 A' 1189 1108 2.60      
13 A' 1098 1023 0.41      
14 A' 966 900 0.38      
15 A' 934 871 3.03      
16 A' 773 720 2.21      
17 A' 628 585 0.83      
18 A' 566 528 1.71      
19 A' 295 275 1.26      
20 A' 133 124 2.48      
21 A" 3246 3024 10.32      
22 A" 3182 2964 29.60      
23 A" 1590 1482 4.06      
24 A" 1362 1269 4.34      
25 A" 1343 1251 0.03      
26 A" 1322 1232 0.97      
27 A" 1270 1184 1.06      
28 A" 1093 1018 0.27      
29 A" 973 907 0.92      
30 A" 929 865 1.92      
31 A" 832 775 1.21      
32 A" 597 556 0.03      
33 A" 208 194 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 25162.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 23441.3 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 CID/3-21G
ABC
0.31757 0.07910 0.06975

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.654 2.085 0.000
C2 0.752 1.360 0.000
C3 -0.359 0.423 0.000
C4 -0.875 -1.711 0.000
C5 -0.359 -0.711 1.100
C6 -0.359 -0.711 -1.100
H7 -1.311 0.953 0.000
H8 -1.962 -1.769 0.000
H9 -0.447 -2.709 0.000
H10 0.660 -0.946 1.401
H11 -0.985 -0.543 1.972
H12 0.660 -0.946 -1.401
H13 -0.985 -0.543 -1.972

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.15712.61024.56103.61623.61623.17325.28475.23403.48424.21343.48424.2134
C21.15711.45333.47502.59442.59442.10254.14204.24182.70003.24392.70003.2439
C32.61021.45332.19541.57961.57961.08942.71583.13342.20832.28282.20832.2828
C44.56103.47502.19541.57351.57352.69951.08881.08622.21412.29442.21412.2944
C53.61622.59441.57961.57352.19952.20992.21342.28271.08841.08622.71053.1390
C63.61622.59441.57961.57352.19952.20992.21342.28272.71053.13901.08841.0862
H73.17322.10251.08942.69952.20992.20992.79923.76293.07492.49633.07492.4963
H85.28474.14202.71581.08882.21342.21342.79921.78333.08442.51933.08442.5193
H95.23404.24183.13341.08622.28272.28273.76291.78332.50872.97832.50872.9783
H103.48422.70002.20832.21411.08842.71053.07493.08442.50871.78702.80173.7738
H114.21343.24392.28282.29441.08623.13902.49632.51932.97831.78703.77383.9433
H123.48422.70002.20832.21412.71051.08843.07493.08442.50872.80173.77381.7870
H134.21343.24392.28282.29443.13901.08622.49632.51932.97833.77383.94331.7870

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.673 C2 C3 C5 117.558
C2 C3 C6 117.558 C2 C3 H7 110.749
C3 C5 C4 88.260 C3 C5 H10 110.373
C3 C5 H11 116.604 C3 C6 C4 88.260
C3 C6 H12 110.373 C3 C6 H13 116.604
C4 C5 H10 111.257 C4 C5 H11 118.073
C4 C6 H12 111.257 C4 C6 H13 118.073
C5 C3 C6 88.253 C5 C3 H7 110.446
C5 C4 C6 88.682 C5 C4 H8 111.183
C5 C4 H9 117.060 C6 C3 H7 110.446
C6 C4 H8 111.183 C6 C4 H9 117.060
H8 C4 H9 110.152 H10 C5 H11 110.528
H12 C6 H13 110.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability