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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-208.979438
Energy at 298.15K-208.984828
Nuclear repulsion energy147.158374
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 B3LYP/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' 3276 3161 3.38      
2 A' 3202 3090 0.22      
3 A' 3179 3067 2.24      
4 A' 2347 2264 20.90      
5 A' 1530 1476 0.96      
6 A' 1393 1344 1.02      
7 A' 1181 1139 1.81      
8 A' 1167 1126 1.72      
9 A' 1094 1056 14.56      
10 A' 942 909 18.75      
11 A' 825 796 1.36      
12 A' 764 737 6.35      
13 A' 562 542 2.77      
14 A' 238 230 2.30      
15 A" 3260 3146 0.15      
16 A" 3175 3064 6.87      
17 A" 1516 1463 6.85      
18 A" 1220 1177 0.87      
19 A" 1142 1102 0.46      
20 A" 1116 1077 14.83      
21 A" 908 876 2.03      
22 A" 814 785 9.10      
23 A" 604 583 0.29      
24 A" 238 229 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 17846.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17219.9 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 B3LYP/3-21G
ABC
0.52023 0.11486 0.10887

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.812 0.980 1.270
H2 -1.812 0.980 -1.270
H3 -1.226 -0.757 -1.266
H4 -1.226 -0.757 1.266
H5 0.238 1.689 0.000
C6 0.000 0.632 0.000
N7 2.041 -0.970 0.000
C8 1.125 -0.249 0.000
C9 -1.267 0.197 0.757
C10 -1.267 0.197 -0.757

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54023.12921.83332.51312.23974.50083.42771.08302.2404
H22.54021.83333.12922.51312.23974.50083.42772.24041.0830
H33.12921.83332.53163.11902.24353.50952.71792.23711.0823
H41.83333.12922.53163.11902.24353.50952.71791.08232.2371
H52.51312.51313.11903.11901.08383.21312.13172.24992.2499
C62.23972.23972.24352.24351.08382.59451.42901.53841.5384
N74.50084.50083.50953.50953.21312.59451.16553.58823.5882
C83.42773.42772.71792.71792.13171.42901.16552.54832.5483
C91.08302.24042.23711.08232.24991.53843.58822.54831.5142
C102.24041.08301.08232.23712.24991.53843.58822.54831.5142

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.712 H1 C9 C6 116.312
H1 C9 C10 118.273 H2 C10 H3 115.712
H2 C10 C6 116.312 H2 C10 C9 118.273
H3 C10 C6 116.691 H3 C10 C9 118.037
H4 C9 C6 116.691 H4 C9 C10 118.037
H5 C6 C8 115.383 H5 C6 C9 117.141
H5 C6 C10 117.141 C6 C8 N7 179.813
C6 C9 C10 60.518 C6 C10 C9 60.518
C8 C6 C9 118.312 C8 C6 C10 118.312
C9 C6 C10 58.964
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.223     0.175
2 H 0.223     0.175
3 H 0.231     0.186
4 H 0.231     0.186
5 H 0.251     0.207
6 C -0.315     -0.311
7 N -0.485     -0.448
8 C 0.356     0.436
9 C -0.357     -0.304
10 C -0.357     -0.304


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.383 2.037 0.000 3.949
CHELPG        
AIM        
ESP -3.355 2.024 0.000 3.919


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.717 3.239 0.000
y 3.239 -29.094 0.000
z 0.000 0.000 -29.083
Traceless
 xyz
x -6.629 3.239 0.000
y 3.239 3.306 0.000
z 0.000 0.000 3.323
Polar
3z2-r26.646
x2-y2-6.623
xy3.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.071 -1.318 0.000
y -1.318 5.293 0.000
z 0.000 0.000 4.667


<r2> (average value of r2) Å2
<r2> 114.230
(<r2>)1/2 10.688