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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-210.081694
Energy at 298.15K-210.086253
Nuclear repulsion energy141.386840
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 B3PW91/cc-pVDZ
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 3198 3086 3.13      
2 A 3172 3061 7.74      
3 A 3154 3043 0.53      
4 A 3041 2935 8.72      
5 A 2343 2261 16.75      
6 A 1710 1650 17.47      
7 A 1450 1400 15.45      
8 A 1411 1361 6.08      
9 A 1371 1323 3.64      
10 A 1249 1205 0.57      
11 A 1116 1077 0.05      
12 A 973 939 17.37      
13 A 920 888 2.83      
14 A 666 643 1.81      
15 A 394 380 0.12      
16 A 156 151 4.18      
17 A 3108 2999 6.42      
18 A 1447 1396 9.37      
19 A 1052 1015 0.02      
20 A 981 947 0.62      
21 A 750 724 35.54      
22 A 534 515 2.63      
23 A 291 281 2.79      
24 A 158 153 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 17322.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16715.9 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 B3PW91/cc-pVDZ
ABC
0.40322 0.11460 0.09075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.223 0.251 0.000
N2 -2.228 -0.339 0.000
C3 0.000 0.988 0.000
H4 -0.097 2.078 0.000
C5 1.213 0.407 0.000
H6 2.082 1.074 0.000
C7 1.488 -1.056 0.000
H8 0.565 -1.652 0.000
H9 2.088 -1.333 0.883
H10 2.088 -1.333 -0.883

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16531.42802.14562.44083.40623.00912.61033.77483.7748
N21.16532.59323.22143.52084.53603.78423.08574.51604.5160
C31.42802.59321.09351.34542.08412.52852.69973.24483.2448
H42.14563.22141.09352.12352.39963.51183.78754.14584.1458
C52.44083.52081.34542.12351.09611.48842.15812.13822.1382
H63.40624.53602.08412.39961.09612.21193.12002.56432.5643
C73.00913.78422.52853.51181.48842.21191.09851.10301.1030
H82.61033.08572.69973.78752.15813.12001.09851.78931.7893
H93.77484.51603.24484.14582.13822.56431.10301.78931.7660
H103.77484.51603.24484.14582.13822.56431.10301.78931.7660

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 115.989 C1 C3 C5 123.282
N2 C1 C3 179.294 C3 C5 H6 116.853
C3 C5 C7 126.251 H4 C3 C5 120.729
C5 C7 H8 112.192 C5 C7 H9 110.314
C5 C7 H10 110.314 H6 C5 C7 116.895
H8 C7 H9 108.734 H8 C7 H10 108.734
H9 C7 H10 106.362
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 N -0.142      
3 C -0.013      
4 H 0.060      
5 C -0.079      
6 H 0.037      
7 C -0.038      
8 H 0.074      
9 H 0.072      
10 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.945 1.056 0.000 4.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.437 -2.401 0.000
y -2.401 -26.944 0.000
z 0.000 0.000 -30.549
Traceless
 xyz
x -5.691 -2.401 0.000
y -2.401 5.549 0.000
z 0.000 0.000 0.142
Polar
3z2-r20.283
x2-y2-7.493
xy-2.401
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 126.386
(<r2>)1/2 11.242