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All results from a given calculation for C4H5N ((Z)-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-208.761223
Energy at 298.15K-208.765980
HF Energy-208.761223
Nuclear repulsion energy142.059162
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' 3219 3101 3.96      
2 A' 3195 3078 4.64      
3 A' 3160 3044 1.54      
4 A' 3060 2948 5.16      
5 A' 2354 2268 10.09      
6 A' 1713 1650 10.52      
7 A' 1542 1485 21.68      
8 A' 1467 1413 17.58      
9 A' 1451 1398 1.81      
10 A' 1300 1252 1.42      
11 A' 1158 1115 2.16      
12 A' 990 954 16.56      
13 A' 918 884 2.44      
14 A' 712 686 1.50      
15 A' 433 418 0.22      
16 A' 173 167 3.55      
17 A" 3116 3002 6.62      
18 A" 1544 1488 14.33      
19 A" 1109 1068 0.57      
20 A" 1021 984 1.20      
21 A" 805 776 47.45      
22 A" 594 572 13.10      
23 A" 312 300 1.92      
24 A" 159 153 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 17751.6 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 17100.1 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
0.39802 0.11758 0.09233

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)
C1 -1.178 0.301 0.000
N2 -2.186 -0.279 0.000
C3 0.000 0.974 0.000
H4 -0.028 2.032 0.000
C5 1.214 0.373 0.000
H6 2.072 0.993 0.000
C7 1.428 -1.090 0.000
H8 0.482 -1.637 0.000
H9 1.995 -1.392 0.886
H10 1.995 -1.392 -0.886

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16291.35642.07812.39263.32242.95462.55163.70423.7042
N21.16292.51923.16183.46124.44333.70402.99324.41634.4163
C31.35642.51921.05881.35412.07162.51022.65453.21913.2191
H42.07813.16181.05882.07232.34263.44563.70414.07484.0748
C52.39263.46121.35412.07231.05871.47922.13882.12392.1239
H63.32244.44332.07162.34261.05872.18073.07312.54562.5456
C72.95463.70402.51023.44561.47922.18071.09281.09401.0940
H82.55162.99322.65453.70412.13883.07311.09281.77051.7705
H93.70424.41633.21914.07482.12392.54561.09401.77051.7714
H103.70424.41633.21914.07482.12392.54561.09401.77051.7714

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 118.201 C1 C3 C5 123.944
N2 C1 C3 179.787 C3 C5 H6 117.804
C3 C5 C7 124.684 H4 C3 C5 117.855
C5 C7 H8 111.642 C5 C7 H9 110.366
C5 C7 H10 110.366 H6 C5 C7 117.512
H8 C7 H9 108.120 H8 C7 H10 108.120
H9 C7 H10 108.115
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 C 0.295      
2 N -0.501      
3 C -0.204      
4 H 0.268      
5 C -0.149      
6 H 0.238      
7 C -0.692      
8 H 0.254      
9 H 0.245      
10 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.793 1.119 0.000 3.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.333 -2.517 0.000
y -2.517 -26.938 0.000
z 0.000 0.000 -30.973
Traceless
 xyz
x -5.378 -2.517 0.000
y -2.517 5.715 0.000
z 0.000 0.000 -0.337
Polar
3z2-r2-0.674
x2-y2-7.395
xy-2.517
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.265 -0.057 0.000
y -0.057 5.808 0.000
z 0.000 0.000 3.100


<r2> (average value of r2) Å2
<r2> 124.617
(<r2>)1/2 11.163