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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-209.716447
Energy at 298.15K-209.720962
HF Energy-208.884426
Nuclear repulsion energy141.952782
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/Def2TZVPP
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' 3242 3084 2.15      
2 A' 3206 3051 5.50      
3 A' 3180 3026 1.70      
4 A' 3076 2927 6.69      
5 A' 2185 2079 0.18      
6 A' 1689 1607 3.34      
7 A' 1497 1424 13.01      
8 A' 1436 1366 4.66      
9 A' 1400 1332 3.02      
10 A' 1260 1199 0.23      
11 A' 1127 1072 0.17      
12 A' 970 923 12.70      
13 A' 918 873 1.89      
14 A' 658 626 1.67      
15 A' 389 370 0.15      
16 A' 155 148 4.61      
17 A" 3149 2996 5.43      
18 A" 1496 1424 7.80      
19 A" 1069 1017 1.56      
20 A" 988 941 0.41      
21 A" 751 714 36.81      
22 A" 516 491 2.68      
23 A" 282 268 2.66      
24 A" 150 143 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17394.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16550.4 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/Def2TZVPP
ABC
0.39570 0.11765 0.09222

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.203 0.229 0.000
N2 -2.214 -0.368 0.000
C3 0.000 0.998 0.000
H4 -0.110 2.072 0.000
C5 1.212 0.425 0.000
H6 2.071 1.086 0.000
C7 1.471 -1.041 0.000
H8 0.545 -1.611 0.000
H9 2.055 -1.320 0.876
H10 2.055 -1.320 -0.876

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17371.42782.14312.42353.38432.96022.53843.71303.7130
N21.17372.60113.22213.51654.52433.74513.02554.46054.4605
C31.42782.60111.08011.34072.07272.51382.66563.21963.2196
H42.14313.22211.08012.11202.39343.49143.74154.11904.1190
C52.42353.51651.34072.11201.08321.48882.14342.12752.1275
H63.38434.52432.07272.39341.08322.20973.09902.56102.5610
C72.96023.74512.51383.49141.48882.20971.08761.08991.0899
H82.53843.02552.66563.74152.14343.09901.08761.77031.7703
H93.71304.46053.21964.11902.12752.56101.08991.77031.7529
H103.71304.46053.21964.11902.12752.56101.08991.77031.7529

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 116.735 C1 C3 C5 122.153
N2 C1 C3 178.028 C3 C5 H6 117.152
C3 C5 C7 125.271 H4 C3 C5 121.112
C5 C7 H8 111.652 C5 C7 H9 110.227
C5 C7 H10 110.227 H6 C5 C7 117.577
H8 C7 H9 108.776 H8 C7 H10 108.776
H9 C7 H10 107.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability