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All results from a given calculation for C5H7N ((E)-2-Pentenenitrile)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-41.982453
Energy at 298.15K-41.989136
HF Energy-41.176305
Nuclear repulsion energy103.262400
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 MP2/CEP-121G*
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' 3237 3084 2.25      
2 A' 3186 3036 8.79      
3 A' 3169 3020 29.04      
4 A' 3070 2925 18.74      
5 A' 3061 2916 20.54      
6 A' 2130 2029 0.00      
7 A' 1676 1597 7.17      
8 A' 1545 1472 6.36      
9 A' 1508 1437 7.97      
10 A' 1453 1385 6.59      
11 A' 1403 1337 6.97      
12 A' 1338 1275 0.43      
13 A' 1304 1242 1.95      
14 A' 1128 1075 2.01      
15 A' 1066 1015 2.69      
16 A' 979 933 2.30      
17 A' 909 866 4.03      
18 A' 567 540 0.25      
19 A' 487 464 0.04      
20 A' 257 245 0.69      
21 A' 145 138 3.80      
22 A" 3167 3017 30.36      
23 A" 3104 2958 10.45      
24 A" 1541 1469 9.75      
25 A" 1301 1240 0.62      
26 A" 1121 1068 1.81      
27 A" 980 934 44.72      
28 A" 834 795 5.50      
29 A" 727 692 0.24      
30 A" 446 425 3.35      
31 A" 288 274 0.01      
32 A" 165 157 0.01      
33 A" 103 98 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 23696.6 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 22578.1 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 MP2/CEP-121G*
ABC
0.47845 0.05088 0.04679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.452 2.935 0.000
C2 -0.801 1.940 0.000
H3 1.078 0.874 0.000
C4 0.000 0.737 0.000
H5 -1.669 -0.543 0.000
C6 -0.579 -0.488 0.000
H7 -0.167 -2.378 0.876
H8 -0.167 -2.378 -0.876
C9 0.166 -1.803 0.000
H10 2.144 -2.692 0.000
H11 2.057 -1.164 -0.889
H12 2.057 -1.164 0.889
C13 1.697 -1.693 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.18903.26312.63473.48463.53305.53595.53595.00696.67785.46905.46905.5979
C21.18902.16011.44582.63052.43884.45154.45153.86635.48894.31244.31244.4091
H33.26312.16011.08643.09092.14543.59083.59082.82863.72192.43002.43002.6407
C42.63471.44581.08642.10321.35533.23983.23982.54534.04362.93862.93862.9636
H53.48462.63053.09092.10321.09112.52792.52792.22604.37703.88093.88093.5574
C63.53302.43882.14541.35531.09112.12302.12301.51123.50302.86322.86322.5755
H75.53594.45153.59083.23982.52792.12301.75161.09922.49143.08792.53392.1709
H85.53594.45153.59083.23982.52792.12301.75161.09922.49142.53393.08792.1709
C95.00693.86632.82862.54532.22601.51121.09921.09922.16872.18542.18541.5355
H106.67785.48893.72194.04364.37703.50302.49142.49142.16871.76951.76951.0943
H115.46904.31242.43002.93863.88092.86323.08792.53392.18541.76951.77831.0952
H125.46904.31242.43002.93863.88092.86322.53393.08792.18541.76951.77831.0952
C135.59794.40912.64072.96363.55742.57552.17092.17091.53551.09431.09521.0952

picture of (E)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 179.569 C2 C4 H3 116.374
C2 C4 C6 121.044 H3 C4 C6 122.582
C4 C6 H5 118.168 C4 C6 C9 125.153
H5 C6 C9 116.680 C6 C9 H7 107.797
C6 C9 H8 107.797 C6 C9 C13 115.413
H7 C9 H8 105.649 H7 C9 C13 109.856
H8 C9 C13 109.856 C9 C13 H10 109.975
C9 C13 H11 111.248 C9 C13 H12 111.248
H10 C13 H11 107.843 H10 C13 H12 107.843
H11 C13 H12 108.557
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability