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All results from a given calculation for C5H7N ((Z)-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 C1 1A
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-41.983612
Energy at 298.15K-41.990299
HF Energy-41.176647
Nuclear repulsion energy104.985642
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 3231 3079 4.06      
2 A 3185 3034 16.01      
3 A 3172 3023 28.90      
4 A 3165 3016 26.53      
5 A 3143 2995 0.83      
6 A 3080 2935 18.97      
7 A 3066 2922 29.91      
8 A 2124 2024 0.69      
9 A 1663 1584 2.00      
10 A 1541 1468 8.45      
11 A 1536 1463 8.52      
12 A 1524 1452 3.31      
13 A 1444 1376 3.08      
14 A 1421 1354 0.23      
15 A 1356 1292 1.52      
16 A 1311 1249 0.11      
17 A 1260 1200 0.44      
18 A 1152 1098 0.75      
19 A 1104 1052 6.09      
20 A 1044 994 2.85      
21 A 958 912 3.33      
22 A 939 895 0.48      
23 A 868 827 2.97      
24 A 809 771 5.03      
25 A 755 720 46.87      
26 A 646 615 0.90      
27 A 544 518 0.71      
28 A 381 363 0.06      
29 A 355 338 0.64      
30 A 237 226 0.11      
31 A 202 192 3.14      
32 A 149 142 3.77      
33 A 41 39 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 23702.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 22583.4 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 MP2/CEP-121G*
ABC
0.22855 0.06993 0.05863

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.779 -0.144 -0.083
N2 -2.454 -1.119 0.006
C3 -0.962 1.045 -0.198
H4 -1.456 1.940 -0.567
C5 0.351 1.046 0.144
H6 0.896 1.983 0.019
C7 1.129 -0.150 0.628
H8 0.441 -0.966 0.873
H9 1.664 0.125 1.546
C10 2.145 -0.617 -0.439
H11 1.621 -0.939 -1.345
H12 2.833 0.192 -0.707
H13 2.736 -1.459 -0.063

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.18921.44762.16462.45023.41932.99352.55303.81793.96793.71264.66594.7019
N21.18922.63683.26893.54614.56613.76403.02674.56934.64774.29745.49395.2015
C31.44762.63681.08701.35682.09302.54642.67613.28383.53203.45323.92314.4680
H42.16463.26891.08702.13812.42513.53293.75784.18264.41874.28524.63405.4204
C52.45023.54611.35682.13811.09131.50662.14162.13022.51452.78692.75933.4645
H63.41934.56612.09302.42511.09132.22983.10302.52382.92013.30442.73583.9030
C72.99353.76402.54643.53291.50662.22981.09491.09761.54522.18072.19132.1843
H82.55303.02672.67613.75782.14163.10301.09491.77112.17812.51253.09142.5265
H93.81794.56933.28384.18262.13022.52381.09761.77112.17333.08092.53962.4997
C103.96794.64773.53204.41872.51452.92011.54522.17812.17331.09461.09561.0950
H113.71264.29743.45324.28522.78693.30442.18072.51253.08091.09461.77561.7765
H124.66595.49393.92314.63402.75932.73582.19133.09142.53961.09561.77561.7748
H134.70195.20154.46805.42043.46453.90302.18432.52652.49971.09501.77651.7748

picture of (Z)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.579 C1 C3 C5 121.747
N2 C1 C3 179.616 C3 C5 H6 117.095
C3 C5 C7 125.493 H4 C3 C5 121.673
C5 C7 H8 109.806 C5 C7 H9 108.753
C5 C7 C10 110.959 H6 C5 C7 117.365
C7 C10 H11 110.233 C7 C10 H12 111.012
C7 C10 H13 110.497 H8 C7 H9 107.763
H8 C7 C10 110.014 H9 C7 C10 109.476
H11 C10 H12 108.332 H11 C10 H13 108.455
H12 C10 H13 108.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability