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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: B3LYP/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-35.388337
Energy at 298.15K-35.393538
Nuclear repulsion energy75.556667
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/CEP-31G
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' 3274 3171 31.29      
2 A' 3196 3095 3.88      
3 A' 3165 3065 8.79      
4 A' 2245 2174 37.96      
5 A' 1503 1456 0.82      
6 A' 1375 1332 0.23      
7 A' 1214 1176 1.36      
8 A' 1142 1106 3.36      
9 A' 1081 1047 13.28      
10 A' 944 914 28.91      
11 A' 810 784 2.93      
12 A' 749 726 10.32      
13 A' 519 503 3.43      
14 A' 212 205 2.28      
15 A" 3254 3152 0.12      
16 A" 3157 3057 21.04      
17 A" 1473 1427 6.76      
18 A" 1192 1154 1.13      
19 A" 1121 1085 0.70      
20 A" 1099 1065 17.82      
21 A" 897 869 0.21      
22 A" 814 788 14.84      
23 A" 534 517 0.01      
24 A" 211 205 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 17591.1 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 17035.3 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/CEP-31G
ABC
0.50756 0.11016 0.10441

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.846 0.862 1.291
H2 -1.846 0.862 -1.291
H3 -1.161 -0.847 -1.284
H4 -1.161 -0.847 1.284
H5 0.186 1.702 0.000
C6 0.000 0.626 0.000
N7 2.197 -0.869 0.000
C8 1.215 -0.193 0.000
C9 -1.252 0.110 0.767
C10 -1.252 0.110 -0.767

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.58193.16561.84112.54962.26514.58403.48591.09212.2706
H22.58191.84113.16562.54962.26514.58403.48592.27061.0921
H33.16561.84112.56853.15562.27323.59562.77892.26561.0911
H41.84113.16562.56853.15562.27323.59562.77891.09112.2656
H52.54962.54963.15563.15561.09123.26392.15622.27832.2783
C62.26512.26512.27322.27321.09122.65781.46561.55681.5568
N74.58404.58403.59563.59563.26392.65781.19233.66693.6669
C83.48593.48592.77892.77892.15621.46561.19232.60152.6015
C91.09212.27062.26561.09112.27831.55683.66692.60151.5349
C102.27061.09211.09112.26562.27831.55683.66692.60151.5349

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.978 H1 C9 C6 116.441
H1 C9 C10 118.642 H2 C10 H3 114.978
H2 C10 C6 116.441 H2 C10 C9 118.642
H3 C10 C6 117.204 H3 C10 C9 118.270
H4 C9 C6 117.204 H4 C9 C10 118.270
H5 C6 C8 114.192 H5 C6 C9 117.640
H5 C6 C10 117.640 C6 C8 N7 179.475
C6 C9 C10 60.465 C6 C10 C9 60.465
C8 C6 C9 118.771 C8 C6 C10 118.771
C9 C6 C10 59.069
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.200      
2 H 0.200      
3 H 0.217      
4 H 0.217      
5 H 0.263      
6 C -0.074      
7 N 0.397      
8 C -0.642      
9 C -0.389      
10 C -0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.022 2.081 0.000 4.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.889 3.379 0.000
y 3.379 -28.895 0.000
z 0.000 0.000 -29.234
Traceless
 xyz
x -8.824 3.379 0.000
y 3.379 4.666 0.000
z 0.000 0.000 4.158
Polar
3z2-r28.316
x2-y2-8.994
xy3.379
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.344 -1.129 0.000
y -1.129 5.499 0.000
z 0.000 0.000 5.480


<r2> (average value of r2) Å2
<r2> 94.877
(<r2>)1/2 9.740