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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-248.676842
Energy at 298.15K-248.684788
Nuclear repulsion energy210.314785
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' 3167 3016 42.73      
2 A' 3148 2998 9.90      
3 A' 3107 2959 5.17      
4 A' 3103 2955 0.86      
5 A' 3096 2948 26.03      
6 A' 2340 2228 2.73      
7 A' 1567 1493 0.73      
8 A' 1541 1467 4.18      
9 A' 1407 1340 3.08      
10 A' 1319 1256 0.77      
11 A' 1269 1208 0.12      
12 A' 1167 1111 1.84      
13 A' 1107 1054 0.33      
14 A' 987 940 0.61      
15 A' 934 889 2.60      
16 A' 774 737 1.50      
17 A' 600 571 0.55      
18 A' 527 502 0.80      
19 A' 277 264 1.57      
20 A' 140 134 3.42      
21 A" 3159 3008 16.37      
22 A" 3101 2953 37.61      
23 A" 1535 1462 1.67      
24 A" 1321 1258 2.03      
25 A" 1292 1230 0.26      
26 A" 1283 1222 0.02      
27 A" 1236 1177 0.30      
28 A" 1068 1017 0.01      
29 A" 980 933 0.41      
30 A" 966 920 2.21      
31 A" 817 778 1.04      
32 A" 525 500 0.02      
33 A" 177 169 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 24516.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 23346.7 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 QCISD/6-31G*
ABC
0.32770 0.07863 0.06953

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 1.644 2.120 0.000
C2 0.750 1.367 0.000
C3 -0.349 0.394 0.000
C4 -0.895 -1.690 0.000
C5 -0.349 -0.724 1.081
C6 -0.349 -0.724 -1.081
H7 -1.306 0.930 0.000
H8 -1.991 -1.717 0.000
H9 -0.518 -2.718 0.000
H10 0.675 -0.982 1.375
H11 -0.947 -0.548 1.980
H12 0.675 -0.982 -1.375
H13 -0.947 -0.548 -1.980

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.16892.63604.57793.63673.63673.18015.28505.29863.52864.21293.52864.2129
C21.16891.46733.47092.59742.59742.10114.12564.27682.72293.23502.72293.2350
C32.63601.46732.15401.55491.55491.09702.67443.11622.19832.27292.19832.2729
C44.57793.47092.15401.54861.54862.65201.09681.09502.20392.28682.20392.2868
C53.63672.59741.55491.54862.16112.19562.20252.27391.09611.09502.67313.1239
C63.63672.59741.55491.54862.16112.19562.20252.27392.67313.12391.09611.0950
H73.18012.10111.09702.65202.19562.19562.73423.73213.07762.49693.07762.4969
H85.28504.12562.67441.09682.20252.20252.73421.78143.08892.52573.08892.5257
H95.29864.27683.11621.09502.27392.27393.73211.78142.51542.96922.51542.9692
H103.52862.72292.19832.20391.09612.67313.07763.08892.51541.78512.75043.7524
H114.21293.23502.27292.28681.09503.12392.49692.52572.96921.78513.75243.9608
H123.52862.72292.19832.20392.67311.09613.07763.08892.51542.75043.75241.7851
H134.21293.23502.27292.28683.12391.09502.49692.52572.96923.75243.96081.7851

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.568 C2 C3 C5 118.477
C2 C3 C6 118.477 C2 C3 H7 109.187
C3 C5 C4 87.903 C3 C5 H10 110.856
C3 C5 H11 117.065 C3 C6 C4 87.903
C3 C6 H12 110.856 C3 C6 H13 117.065
C4 C5 H10 111.744 C4 C5 H11 118.764
C4 C6 H12 111.744 C4 C6 H13 118.764
C5 C3 C6 88.044 C5 C3 H7 110.588
C5 C4 C6 88.492 C5 C4 H8 111.590
C5 C4 H9 117.638 C6 C3 H7 110.588
C6 C4 H8 111.590 C6 C4 H9 117.638
H8 C4 H9 108.734 H10 C5 H11 109.115
H12 C6 H13 109.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability