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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-209.885452
Energy at 298.15K-209.889904
Nuclear repulsion energy140.795781
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 PBEPBE/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 3129 3086 4.95      
2 A 3106 3063 8.68      
3 A 3083 3041 1.25      
4 A 2977 2936 7.78      
5 A 2250 2219 11.42      
6 A 1649 1627 14.99      
7 A 1443 1423 15.56      
8 A 1387 1368 7.03      
9 A 1353 1334 3.64      
10 A 1225 1208 0.34      
11 A 1094 1079 0.31      
12 A 954 941 15.75      
13 A 898 886 3.52      
14 A 650 641 1.99      
15 A 384 379 0.14      
16 A 152 150 4.37      
17 A 3035 2994 8.05      
18 A 1440 1421 8.90      
19 A 1024 1010 0.01      
20 A 945 932 0.41      
21 A 728 718 35.59      
22 A 519 511 2.39      
23 A 281 277 3.38      
24 A 160 158 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 16932.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 16700.2 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 PBEPBE/6-31G**
ABC
0.39928 0.11386 0.09008

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.222 0.255 0.000
N2 -2.238 -0.340 0.000
C3 0.000 0.994 0.000
H4 -0.097 2.084 0.000
C5 1.221 0.408 0.000
H6 2.094 1.073 0.000
C7 1.489 -1.062 0.000
H8 0.560 -1.651 0.000
H9 2.088 -1.346 0.884
H10 2.088 -1.346 -0.884

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17791.42762.14712.44773.41453.01422.60913.78163.7816
N21.17792.60543.23433.53924.55623.79683.08994.52874.5287
C31.42762.60541.09481.35462.09502.53872.70333.25843.2584
H42.14713.23431.09482.13282.41293.52373.79254.16234.1623
C52.44773.53921.35462.13281.09681.49412.16222.14692.1469
H63.41454.55622.09502.41291.09682.21863.12562.57532.5753
C73.01423.79682.53873.52371.49412.21861.10021.10461.1046
H82.60913.08992.70333.79252.16223.12561.10021.79131.7913
H93.78164.52873.25844.16232.14692.57531.10461.79131.7674
H103.78164.52873.25844.16232.14692.57531.10461.79131.7674

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 116.070 C1 C3 C5 123.206
N2 C1 C3 179.194 C3 C5 H6 117.048
C3 C5 C7 125.975 H4 C3 C5 120.724
C5 C7 H8 112.014 C5 C7 H9 110.510
C5 C7 H10 110.510 H6 C5 C7 116.977
H8 C7 H9 108.675 H8 C7 H10 108.675
H9 C7 H10 106.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.305      
2 N -0.474      
3 C -0.114      
4 H 0.150      
5 C -0.037      
6 H 0.124      
7 C -0.417      
8 H 0.159      
9 H 0.152      
10 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.929 1.083 0.000 4.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.496 -2.469 0.000
y -2.469 -26.763 0.000
z 0.000 0.000 -30.360
Traceless
 xyz
x -5.935 -2.469 0.000
y -2.469 5.665 0.000
z 0.000 0.000 0.270
Polar
3z2-r20.539
x2-y2-7.733
xy-2.469
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.460 -0.026 0.000
y -0.026 6.567 0.000
z 0.000 0.000 3.754


<r2> (average value of r2) Å2
<r2> 127.076
(<r2>)1/2 11.273