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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-208.738297
Energy at 298.15K-208.743139
Nuclear repulsion energy141.413311
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 HF/LANL2DZ
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 3415 3073 13.77      
2 A 3372 3034 18.01      
3 A 3323 2990 12.46      
4 A 3205 2884 26.59      
5 A 2508 2257 53.68      
6 A 1839 1655 18.58      
7 A 1636 1472 22.18      
8 A 1583 1424 7.68      
9 A 1544 1389 2.12      
10 A 1391 1252 2.23      
11 A 1238 1114 0.49      
12 A 1043 938 16.33      
13 A 950 855 1.06      
14 A 730 657 0.21      
15 A 442 398 0.13      
16 A 180 162 4.08      
17 A 3274 2946 30.97      
18 A 1636 1472 14.88      
19 A 1212 1091 0.04      
20 A 1113 1002 3.80      
21 A 859 773 58.61      
22 A 592 533 5.33      
23 A 326 293 1.50      
24 A 147 132 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 18777.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 16898.0 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 HF/LANL2DZ
ABC
0.40693 0.11287 0.08981

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.237 0.245 0.000
N2 -2.241 -0.325 0.000
C3 0.000 0.984 0.000
H4 -0.102 2.051 0.000
C5 1.209 0.411 0.000
H6 2.061 1.068 0.000
C7 1.513 -1.063 0.000
H8 0.617 -1.666 0.000
H9 2.102 -1.321 0.874
H10 2.102 -1.321 -0.874

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.15451.44092.13282.45253.39933.04552.66313.79053.7905
N21.15452.59533.19713.52824.52193.82563.15674.54044.5404
C31.44092.59531.07181.33812.06242.54482.72073.23933.2393
H42.13283.19711.07182.09942.37503.50703.78564.12174.1217
C52.45253.52821.33812.09941.07551.50462.16022.13552.1355
H63.39934.52192.06242.37501.07552.20043.09252.54472.5447
C73.04553.82562.54483.50701.50462.20041.08041.08491.0849
H82.66313.15672.72073.78562.16023.09251.08041.75721.7572
H93.79054.54043.23934.12172.13552.54471.08491.75721.7474
H103.79054.54043.23934.12172.13552.54471.08491.75721.7474

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 115.373 C1 C3 C5 123.847
N2 C1 C3 178.802 C3 C5 H6 116.988
C3 C5 C7 126.963 H4 C3 C5 120.780
C5 C7 H8 112.330 C5 C7 H9 110.052
C5 C7 H10 110.052 H6 C5 C7 116.049
H8 C7 H9 108.488 H8 C7 H10 108.488
H9 C7 H10 107.281
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 N -0.083      
3 C -0.207      
4 H 0.237      
5 C -0.028      
6 H 0.201      
7 C -0.607      
8 H 0.213      
9 H 0.198      
10 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.517 1.234 0.000 4.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.804 -2.789 0.000
y -2.789 -27.978 0.000
z 0.000 0.000 -31.857
Traceless
 xyz
x -6.886 -2.789 0.000
y -2.789 6.352 0.000
z 0.000 0.000 0.533
Polar
3z2-r21.067
x2-y2-8.826
xy-2.789
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.996 -0.148 0.000
y -0.148 5.783 0.000
z 0.000 0.000 3.630


<r2> (average value of r2) Å2
<r2> 128.281
(<r2>)1/2 11.326