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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-209.534503
Energy at 298.15K-209.539035
HF Energy-208.812357
Nuclear repulsion energy141.500001
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=FULL/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 3285 3070 4.21      
2 A 3256 3042 9.44      
3 A 3241 3029 1.71      
4 A 3129 2924 8.67      
5 A 2206 2061 0.69      
6 A 1726 1613 2.08      
7 A 1545 1443 9.75      
8 A 1477 1380 4.45      
9 A 1436 1342 1.85      
10 A 1289 1204 0.09      
11 A 1152 1076 0.51      
12 A 991 926 10.80      
13 A 928 867 1.44      
14 A 664 621 1.79      
15 A 396 370 0.12      
16 A 159 149 4.53      
17 A 3213 3002 9.79      
18 A 1541 1440 7.10      
19 A 1096 1024 0.81      
20 A 989 924 0.25      
21 A 757 707 36.62      
22 A 512 478 1.05      
23 A 279 260 3.15      
24 A 149 140 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17707.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 16545.8 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=FULL/6-31G**
ABC
0.39563 0.11633 0.09141

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.211 0.243 0.000
N2 -2.215 -0.382 0.000
C3 0.000 1.003 0.000
H4 -0.105 2.079 0.000
C5 1.214 0.425 0.000
H6 2.075 1.082 0.000
C7 1.476 -1.043 0.000
H8 0.551 -1.613 0.000
H9 2.058 -1.323 0.877
H10 2.058 -1.323 -0.877

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.18241.43042.14432.43173.39192.97882.55913.72973.7297
N21.18242.61283.24223.52274.53353.75023.02824.46334.4633
C31.43042.61281.08081.34412.07662.52302.67393.22783.2278
H42.14433.24221.08082.11482.39673.49933.75004.12594.1259
C52.43173.52271.34412.11481.08351.49152.14352.13072.1307
H63.39194.53352.07662.39671.08352.20813.09652.56042.5604
C72.97883.75022.52303.49931.49152.20811.08651.08931.0893
H82.55913.02822.67393.75002.14353.09651.08651.76781.7678
H93.72974.46333.22784.12592.13072.56041.08931.76781.7535
H103.72974.46333.22784.12592.13072.56041.08931.76781.7535

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.583 C1 C3 C5 122.400
N2 C1 C3 179.731 C3 C5 H6 117.203
C3 C5 C7 125.599 H4 C3 C5 121.017
C5 C7 H8 111.523 C5 C7 H9 110.326
C5 C7 H10 110.326 H6 C5 C7 117.198
H8 C7 H9 108.673 H8 C7 H10 108.673
H9 C7 H10 107.197
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability