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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-208.760433
Energy at 298.15K-208.765050
HF Energy-208.760433
Nuclear repulsion energy138.472935
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 HSEh1PBE/3-21G
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' 3203 3085 7.65      
2 A' 3192 3075 1.29      
3 A' 3154 3038 6.73      
4 A' 3060 2948 6.87      
5 A' 2357 2271 14.21      
6 A' 1725 1662 17.07      
7 A' 1544 1488 21.77      
8 A' 1463 1409 11.36      
9 A' 1371 1321 0.96      
10 A' 1358 1308 0.07      
11 A' 1158 1116 1.88      
12 A' 1058 1019 6.76      
13 A' 938 904 9.86      
14 A' 604 582 0.03      
15 A' 421 406 1.25      
16 A' 194 187 2.47      
17 A" 3116 3002 6.78      
18 A" 1539 1482 14.07      
19 A" 1110 1070 1.78      
20 A" 1011 974 61.49      
21 A" 862 831 1.10      
22 A" 569 548 3.17      
23 A" 193 186 1.70      
24 A" 181 175 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 17691.0 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 17041.8 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 HSEh1PBE/3-21G
ABC
1.28534 0.07666 0.07333

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.608 0.318 0.000
H2 2.552 -1.213 0.884
H3 2.552 -1.213 -0.884
C4 2.182 -0.689 0.000
H5 0.179 -1.561 0.000
C6 0.706 -0.644 0.000
H7 0.532 1.421 0.000
C8 0.000 0.505 0.000
N9 -2.518 0.568 0.000
C10 -1.354 0.540 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76851.76851.09393.07072.13142.35132.61475.13183.9684
H21.76851.76751.09202.55572.12423.43523.20085.44574.3717
H31.76851.76751.09202.55572.12423.43523.20085.44574.3717
C41.09391.09201.09202.18371.47622.67882.48704.86463.7433
H53.07072.55572.55572.18371.05763.00282.07383.43642.6013
C62.13142.12422.12421.47621.05762.07231.34853.44422.3762
H72.35133.43523.43522.67883.00282.07231.05913.16622.0812
C82.61473.20083.20082.48702.07381.34851.05912.51851.3546
N95.13185.44575.44574.86463.43643.44423.16622.51851.1639
C103.96844.37174.37173.74332.60132.37622.08121.35461.1639

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.011 H1 C4 H3 108.011
H1 C4 C6 111.186 H2 C4 H3 108.062
H2 C4 C6 110.725 H3 C4 C6 110.725
C4 C6 H5 118.104 C4 C6 C8 123.336
H5 C6 C8 118.560 C6 C8 H7 118.302
C6 C8 C10 123.063 H7 C8 C10 118.636
C8 C10 N9 179.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.234      
2 H 0.247      
3 H 0.247      
4 C -0.680      
5 H 0.246      
6 C -0.150      
7 H 0.262      
8 C -0.207      
9 N -0.497      
10 C 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.360 -0.673 0.000 4.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.346 0.863 0.000
y 0.863 -26.906 0.000
z 0.000 0.000 -30.961
Traceless
 xyz
x -8.413 0.863 0.000
y 0.863 7.247 0.000
z 0.000 0.000 1.166
Polar
3z2-r22.331
x2-y2-10.440
xy0.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.946 -1.711 0.000
y -1.711 5.752 0.000
z 0.000 0.000 3.112


<r2> (average value of r2) Å2
<r2> 151.023
(<r2>)1/2 12.289