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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-248.220559
Energy at 298.15K-248.228600
Nuclear repulsion energy209.480267
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 CISD/6-31G
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' 3226 3025 49.75      
2 A' 3205 3006 10.75      
3 A' 3159 2963 4.15      
4 A' 3153 2957 4.63      
5 A' 3148 2952 25.36      
6 A' 2393 2244 10.42      
7 A' 1609 1509 0.80      
8 A' 1593 1494 5.04      
9 A' 1439 1349 1.65      
10 A' 1369 1284 1.31      
11 A' 1303 1222 0.08      
12 A' 1207 1132 2.29      
13 A' 1120 1051 0.68      
14 A' 989 927 0.71      
15 A' 952 893 3.49      
16 A' 788 739 2.70      
17 A' 619 580 0.36      
18 A' 541 507 1.84      
19 A' 275 258 1.31      
20 A' 139 130 3.31      
21 A" 3216 3016 17.19      
22 A" 3153 2957 38.40      
23 A" 1585 1487 3.63      
24 A" 1370 1285 2.64      
25 A" 1348 1265 0.06      
26 A" 1329 1246 0.55      
27 A" 1275 1196 0.35      
28 A" 1084 1017 0.00      
29 A" 989 927 1.05      
30 A" 968 908 2.79      
31 A" 847 795 0.73      
32 A" 533 499 0.11      
33 A" 177 166 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 25048.7 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 23490.7 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 CISD/6-31G
ABC
0.32184 0.07821 0.06905

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.633 2.130 0.000
C2 0.738 1.381 0.000
C3 -0.352 0.403 0.000
C4 -0.865 -1.716 0.000
C5 -0.352 -0.725 1.092
C6 -0.352 -0.725 -1.092
H7 -1.311 0.929 0.000
H8 -1.955 -1.792 0.000
H9 -0.444 -2.721 0.000
H10 0.664 -0.963 1.411
H11 -0.973 -0.556 1.972
H12 0.664 -0.963 -1.411
H13 -0.973 -0.556 -1.972

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16782.63164.58663.64503.64503.18005.31655.27733.53524.23113.53524.2311
C21.16781.46423.48702.61032.61032.09814.16194.26862.73663.25112.73663.2511
C32.63161.46422.18061.57021.57021.09302.71863.12592.21192.27962.21192.2796
C44.58663.48702.18061.56181.56182.68201.09271.09012.21352.29052.21352.2905
C53.64502.61031.57021.56182.18472.20122.21422.27781.09211.09002.71293.1314
C63.64502.61031.57021.56182.18472.20122.21422.27782.71293.13141.09211.0900
H73.18002.09811.09302.68202.20122.20122.79643.75163.07762.49183.07762.4918
H85.31654.16192.71861.09272.21422.21422.79641.77423.08922.52623.08922.5262
H95.27734.26863.12591.09012.27782.27783.75161.77422.51242.97612.51242.9761
H103.53522.73662.21192.21351.09212.71293.07763.08922.51241.77832.82303.7812
H114.23113.25112.27962.29051.09003.13142.49182.52622.97611.77833.78123.9445
H123.53522.73662.21192.21352.71291.09213.07763.08922.51242.82303.78121.7783
H134.23113.25112.27962.29053.13141.09002.49182.52622.97613.78123.94451.7783

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.072 C2 C3 C5 118.648
C2 C3 C6 118.648 C2 C3 H7 109.409
C3 C5 C4 88.249 C3 C5 H10 111.098
C3 C5 H11 116.788 C3 C6 C4 88.249
C3 C6 H12 111.098 C3 C6 H13 116.788
C4 C5 H10 111.818 C4 C5 H11 118.395
C4 C6 H12 111.818 C4 C6 H13 118.395
C5 C3 C6 88.163 C5 C3 H7 110.196
C5 C4 C6 88.761 C5 C4 H8 111.835
C5 C4 H9 117.283 C6 C3 H7 110.196
C6 C4 H8 111.835 C6 C4 H9 117.283
H8 C4 H9 108.747 H10 C5 H11 109.162
H12 C6 H13 109.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability