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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-209.637432
Energy at 298.15K-209.641931
HF Energy-208.845546
Nuclear repulsion energy141.420496
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/6-311G*
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 3060 3.90      
2 A 3201 3032 9.31      
3 A 3185 3017 1.68      
4 A 3081 2918 8.06      
5 A 2189 2073 0.71      
6 A 1700 1610 2.52      
7 A 1523 1443 16.46      
8 A 1459 1382 8.60      
9 A 1420 1345 2.52      
10 A 1277 1209 0.41      
11 A 1142 1081 0.35      
12 A 981 929 13.31      
13 A 919 870 1.37      
14 A 664 629 1.64      
15 A 397 376 0.10      
16 A 160 151 4.10      
17 A 3155 2988 9.13      
18 A 1519 1439 11.24      
19 A 1081 1023 1.05      
20 A 964 913 0.09      
21 A 746 707 46.63      
22 A 514 487 3.46      
23 A 278 263 2.36      
24 A 136 129 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 17459.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 16536.0 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/6-311G*
ABC
0.39472 0.11629 0.09134

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.214 0.247 0.000
N2 -2.214 -0.374 0.000
C3 0.000 1.004 0.000
H4 -0.100 2.085 0.000
C5 1.214 0.421 0.000
H6 2.080 1.081 0.000
C7 1.475 -1.049 0.000
H8 0.549 -1.626 0.000
H9 2.061 -1.331 0.879
H10 2.061 -1.331 -0.879

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17631.43082.14932.43423.39812.98522.57223.74073.7407
N21.17632.60713.24213.51814.53303.74963.03294.46794.4679
C31.43082.60711.08581.34622.08132.52792.68633.23633.2363
H42.14933.24211.08582.11982.40023.50773.76714.13694.1369
C52.43423.51811.34622.11981.08871.49372.15242.13602.1360
H63.39814.53302.08132.40021.08872.21443.10962.56722.5672
C72.98523.74962.52793.50771.49372.21441.09061.09371.0937
H82.57223.03292.68633.76712.15243.10961.09061.77391.7739
H93.74074.46793.23634.13692.13602.56721.09371.77391.7581
H103.74074.46793.23634.13692.13602.56721.09371.77391.7581

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 116.638 C1 C3 C5 122.432
N2 C1 C3 179.918 C3 C5 H6 117.084
C3 C5 C7 125.702 H4 C3 C5 120.930
C5 C7 H8 111.842 C5 C7 H9 110.331
C5 C7 H10 110.331 H6 C5 C7 117.214
H8 C7 H9 108.605 H8 C7 H10 108.605
H9 C7 H10 106.981
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability