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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-209.494188
Energy at 298.15K-209.498704
HF Energy-208.803606
Nuclear repulsion energy141.307780
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 3258 3069 3.28      
2 A 3226 3040 8.66      
3 A 3209 3023 1.86      
4 A 3104 2924 7.11      
5 A 2205 2078 0.49      
6 A 1723 1623 2.36      
7 A 1547 1458 11.98      
8 A 1480 1395 6.75      
9 A 1439 1355 1.61      
10 A 1293 1218 0.24      
11 A 1155 1088 0.66      
12 A 993 936 11.91      
13 A 928 874 1.35      
14 A 666 627 1.88      
15 A 397 374 0.14      
16 A 159 150 4.50      
17 A 3180 2996 8.57      
18 A 1543 1454 8.88      
19 A 1101 1038 0.52      
20 A 980 923 0.17      
21 A 756 712 41.45      
22 A 513 484 1.51      
23 A 279 263 3.10      
24 A 147 139 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 17639.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16619.8 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
0.39523 0.11598 0.09118

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 -1.212 0.243 0.000
N2 -2.219 -0.377 0.000
C3 0.000 1.003 0.000
H4 -0.105 2.084 0.000
C5 1.214 0.424 0.000
H6 2.080 1.083 0.000
C7 1.478 -1.045 0.000
H8 0.550 -1.621 0.000
H9 2.064 -1.328 0.880
H10 2.064 -1.328 -0.880

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.18241.43102.14852.43243.39752.98242.56473.73813.7381
N21.18242.61333.24423.52504.54023.75723.03614.47504.4750
C31.43102.61331.08571.34492.08162.52642.68153.23593.2359
H42.14853.24421.08572.12022.40383.50713.76254.13794.1379
C52.43243.52501.34492.12021.08831.49302.14992.13722.1372
H63.39754.54022.08162.40381.08832.21153.10632.56632.5663
C72.98243.75722.52643.50711.49302.21151.09181.09461.0946
H82.56473.03612.68153.76252.14993.10631.09181.77551.7755
H93.73814.47503.23594.13792.13722.56631.09461.77551.7607
H103.73814.47503.23594.13792.13722.56631.09461.77551.7607

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 116.567 C1 C3 C5 122.353
N2 C1 C3 179.462 C3 C5 H6 117.238
C3 C5 C7 125.722 H4 C3 C5 121.080
C5 C7 H8 111.615 C5 C7 H9 110.418
C5 C7 H10 110.418 H6 C5 C7 117.040
H8 C7 H9 108.589 H8 C7 H10 108.589
H9 C7 H10 107.074
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability