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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-248.303339
Energy at 298.15K-248.310041
HF Energy-247.747169
Nuclear repulsion energy191.871882
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/LANL2DZ
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' 3208 3090 6.38      
2 A' 3156 3039 17.29      
3 A' 3128 3012 42.29      
4 A' 3025 2913 20.39      
5 A' 3019 2908 31.72      
6 A' 2046 1971 2.74      
7 A' 1661 1600 3.66      
8 A' 1551 1494 6.85      
9 A' 1519 1463 9.50      
10 A' 1464 1410 8.53      
11 A' 1413 1361 3.37      
12 A' 1354 1304 0.15      
13 A' 1327 1278 4.39      
14 A' 1118 1077 1.56      
15 A' 1077 1037 1.78      
16 A' 968 932 4.18      
17 A' 890 857 5.23      
18 A' 563 542 0.18      
19 A' 489 471 0.34      
20 A' 260 250 0.75      
21 A' 148 143 3.35      
22 A" 3125 3010 46.47      
23 A" 3064 2951 15.92      
24 A" 1544 1487 9.32      
25 A" 1303 1255 0.19      
26 A" 1144 1101 1.91      
27 A" 993 957 47.33      
28 A" 865 833 7.07      
29 A" 758 730 1.79      
30 A" 443 426 2.33      
31 A" 277 266 0.03      
32 A" 171 165 0.03      
33 A" 110 106 3.03      

Unscaled Zero Point Vibrational Energy (zpe) 23589.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 22718.9 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/LANL2DZ
ABC
0.46436 0.04938 0.04541

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.524 2.863 0.000
C2 -0.839 1.859 0.000
H3 1.079 0.838 0.000
C4 0.000 0.665 0.000
H5 -1.618 -0.713 0.000
C6 -0.525 -0.603 0.000
H7 -0.013 -2.494 0.887
H8 -0.013 -2.494 -0.887
C9 0.288 -1.901 0.000
H10 2.333 -2.700 0.000
H11 2.173 -1.163 -0.897
H12 2.173 -1.163 0.897
C13 1.836 -1.713 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.21563.29902.67473.57783.60725.63715.63715.09686.76925.53945.53945.6777
C21.21562.17371.45922.68782.48194.51924.51923.92495.55364.36014.36014.4630
H33.29902.17371.09313.11172.15623.61683.61682.85023.75272.45002.45002.6606
C42.67471.45921.09312.12591.37263.28203.28202.58204.09452.97812.97813.0048
H53.57782.68783.11172.12591.09872.55682.55682.24564.42213.92163.92163.5961
C63.60722.48192.15621.37261.09872.15122.15121.53143.54452.89792.89792.6093
H75.63714.51923.61683.28202.55682.15121.77331.10872.51553.11942.55902.1940
H85.63714.51923.61683.28202.55682.15121.77331.10872.51552.55903.11942.1940
C95.09683.92492.85022.58202.24561.53141.10871.10872.19532.21402.21401.5595
H106.76925.55363.75274.09454.42213.54452.51552.51552.19531.78661.78661.1044
H115.53944.36012.45002.97813.92162.89793.11942.55902.21401.78661.79431.1050
H125.53944.36012.45002.97813.92162.89792.55903.11942.21401.78661.79431.1050
C135.67774.46302.66063.00483.59612.60932.19402.19401.55951.10441.10501.1050

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 179.197 C2 C4 H3 116.049
C2 C4 C6 122.396 H3 C4 C6 121.555
C4 C6 H5 118.266 C4 C6 C9 125.439
H5 C6 C9 116.295 C6 C9 H7 108.069
C6 C9 H8 108.069 C6 C9 C13 115.169
H7 C9 H8 106.207 H7 C9 C13 109.471
H8 C9 C13 109.471 C9 C13 H10 109.819
C9 C13 H11 111.243 C9 C13 H12 111.243
H10 C13 H11 107.924 H10 C13 H12 107.924
H11 C13 H12 108.569
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability