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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-248.823425
Energy at 298.15K-248.830272
HF Energy-247.865519
Nuclear repulsion energy196.345297
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 MP2/6-31G(2df,p)
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' 3261 3080 1.54      
2 A' 3216 3038 4.56      
3 A' 3207 3029 13.50      
4 A' 3110 2937 11.05      
5 A' 3091 2919 8.47      
6 A' 2202 2080 0.08      
7 A' 1701 1607 9.44      
8 A' 1538 1453 4.52      
9 A' 1493 1410 7.59      
10 A' 1434 1354 5.64      
11 A' 1390 1312 7.03      
12 A' 1342 1268 0.41      
13 A' 1302 1229 2.36      
14 A' 1129 1067 2.71      
15 A' 1078 1018 2.99      
16 A' 989 934 1.79      
17 A' 917 866 3.51      
18 A' 575 543 0.83      
19 A' 500 472 0.05      
20 A' 262 247 1.23      
21 A' 149 141 4.48      
22 A" 3202 3024 13.27      
23 A" 3131 2957 4.84      
24 A" 1530 1445 7.54      
25 A" 1303 1231 0.13      
26 A" 1113 1052 1.62      
27 A" 1020 963 27.02      
28 A" 855 808 4.82      
29 A" 744 703 0.77      
30 A" 480 453 5.27      
31 A" 293 277 0.01      
32 A" 185 175 0.00      
33 A" 123 116 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 23931.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 22603.5 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 MP2/6-31G(2df,p)
ABC
0.48339 0.05198 0.04776

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.526 2.762 0.000
C2 -0.842 1.805 0.000
H3 1.067 0.838 0.000
C4 0.000 0.655 0.000
H5 -1.586 -0.702 0.000
C6 -0.505 -0.589 0.000
H7 -0.000 -2.443 0.870
H8 -0.000 -2.443 -0.870
C9 0.302 -1.849 0.000
H10 2.322 -2.614 0.000
H11 2.138 -1.100 -0.884
H12 2.138 -1.100 0.884
C13 1.812 -1.651 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.17613.22852.60193.46463.50295.49345.49344.96016.61145.39675.39675.5331
C21.17612.14001.42582.61502.41744.41714.41713.82905.43524.25514.25514.3575
H33.22852.14001.08263.06762.12303.55823.55822.79413.67332.38462.38462.5980
C42.60191.42581.08262.08701.34203.21743.21742.52184.00962.90402.90402.9323
H53.46462.61503.06762.08701.08692.51072.51072.20904.35113.84873.84873.5284
C63.50292.41742.12301.34201.08692.10952.10951.49643.47802.83402.83402.5491
H75.49344.41713.55823.21742.51072.10951.74011.09582.48603.07462.52522.1609
H85.49344.41713.55823.21742.51072.10951.74011.09582.48602.52523.07462.1609
C94.96013.82902.79412.52182.20901.49641.09581.09582.16072.17172.17171.5237
H106.61145.43523.67334.00964.35113.47802.48602.48602.16071.76271.76271.0900
H115.39674.25512.38462.90403.84872.83403.07462.52522.17171.76271.76801.0913
H125.39674.25512.38462.90403.84872.83402.52523.07462.17171.76271.76801.0913
C135.53314.35752.59802.93233.52842.54912.16092.16091.52371.09001.09131.0913

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 179.322 C2 C4 H3 116.444
C2 C4 C6 121.683 H3 C4 C6 121.872
C4 C6 H5 118.086 C4 C6 C9 125.267
H5 C6 C9 116.647 C6 C9 H7 107.937
C6 C9 H8 107.937 C6 C9 C13 115.138
H7 C9 H8 105.128 H7 C9 C13 110.097
H8 C9 C13 110.097 C9 C13 H10 110.418
C9 C13 H11 111.225 C9 C13 H12 111.225
H10 C13 H11 107.816 H10 C13 H12 107.816
H11 C13 H12 108.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability