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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-248.733340
Energy at 298.15K-248.741314
Nuclear repulsion energy210.607714
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 QCISD/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' 3214 3026 45.73      
2 A' 3196 3008 10.20      
3 A' 3150 2965 6.17      
4 A' 3145 2961 1.25      
5 A' 3138 2954 27.67      
6 A' 2341 2204 2.32      
7 A' 1574 1481 0.69      
8 A' 1547 1456 3.15      
9 A' 1408 1326 3.68      
10 A' 1326 1248 0.57      
11 A' 1276 1201 0.13      
12 A' 1168 1099 1.21      
13 A' 1106 1042 0.33      
14 A' 987 930 0.51      
15 A' 937 882 2.36      
16 A' 772 727 1.12      
17 A' 597 562 0.35      
18 A' 526 495 0.71      
19 A' 279 263 1.56      
20 A' 142 134 3.45      
21 A" 3206 3018 17.00      
22 A" 3142 2958 40.37      
23 A" 1542 1451 0.47      
24 A" 1328 1250 1.09      
25 A" 1300 1224 0.20      
26 A" 1289 1214 0.06      
27 A" 1244 1171 0.17      
28 A" 1070 1008 0.01      
29 A" 979 922 0.39      
30 A" 965 908 1.64      
31 A" 815 768 0.86      
32 A" 525 494 0.02      
33 A" 177 167 4.92      

Unscaled Zero Point Vibrational Energy (zpe) 24705.2 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 23257.4 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 QCISD/6-31G**
ABC
0.32985 0.07863 0.06955

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.642 2.122 0.000
C2 0.750 1.367 0.000
C3 -0.346 0.391 0.000
C4 -0.902 -1.687 0.000
C5 -0.346 -0.727 1.079
C6 -0.346 -0.727 -1.079
H7 -1.299 0.924 0.000
H8 -1.993 -1.696 0.000
H9 -0.539 -2.713 0.000
H10 0.674 -0.989 1.360
H11 -0.934 -0.550 1.978
H12 0.674 -0.989 -1.360
H13 -0.934 -0.550 -1.978

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16872.63584.58043.63763.63763.17495.27175.30483.53124.20593.53124.2059
C21.16871.46733.47182.59762.59762.09594.11164.27892.72153.22862.72153.2286
C32.63581.46732.15131.55361.55361.09132.65893.11072.19022.26832.19022.2683
C44.58043.47182.15131.54741.54742.64091.09091.08872.19552.28152.19552.2815
C53.63762.59761.55361.54742.15752.18992.19442.26891.09021.08872.65683.1178
C63.63762.59761.55361.54742.15752.18992.19442.26892.65683.11781.09021.0887
H73.17492.09591.09132.64092.18992.18992.71083.71583.06622.49403.06622.4940
H85.27174.11162.65891.09092.19442.19442.71081.77403.07592.51933.07592.5193
H95.30484.27893.11071.08872.26892.26893.71581.77402.50892.95752.50892.9575
H103.53122.72152.19022.19551.09022.65683.06623.07592.50891.77732.72083.7313
H114.20593.22862.26832.28151.08873.11782.49402.51932.95751.77733.73133.9561
H123.53122.72152.19022.19552.65681.09023.06623.07592.50892.72083.73131.7773
H134.20593.22862.26832.28153.11781.08872.49402.51932.95753.73133.95611.7773

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.631 C2 C3 C5 118.578
C2 C3 C6 118.578 C2 C3 H7 109.121
C3 C5 C4 87.851 C3 C5 H10 110.649
C3 C5 H11 117.197 C3 C6 C4 87.851
C3 C6 H12 110.649 C3 C6 H13 117.197
C4 C5 H10 111.512 C4 C5 H11 118.843
C4 C6 H12 111.512 C4 C6 H13 118.843
C5 C3 C6 87.950 C5 C3 H7 110.567
C5 C4 C6 88.392 C5 C4 H8 111.377
C5 C4 H9 117.736 C6 C3 H7 110.567
C6 C4 H8 111.377 C6 C4 H9 117.736
H8 C4 H9 108.966 H10 C5 H11 109.309
H12 C6 H13 109.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability