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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-209.479824
Energy at 298.15K-209.485146
HF Energy-208.792896
Nuclear repulsion energy147.552577
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3312 3109 4.92      
2 A' 3251 3051 0.52      
3 A' 3221 3023 2.52      
4 A' 2445 2295 17.63      
5 A' 1571 1475 0.58      
6 A' 1439 1351 0.40      
7 A' 1263 1186 1.33      
8 A' 1178 1105 1.06      
9 A' 1127 1058 5.81      
10 A' 1002 940 22.95      
11 A' 841 789 1.86      
12 A' 784 735 4.26      
13 A' 536 504 0.37      
14 A' 213 200 4.24      
15 A" 3300 3098 0.24      
16 A" 3215 3018 6.94      
17 A" 1526 1432 3.34      
18 A" 1242 1166 0.79      
19 A" 1161 1089 2.87      
20 A" 1133 1064 6.15      
21 A" 964 904 1.03      
22 A" 867 814 9.31      
23 A" 550 516 0.89      
24 A" 216 203 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 18178.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 17061.8 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 MP3/6-31G*
ABC
0.52951 0.11462 0.10872

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.320 2.032 1.271
H2 0.320 2.032 -1.271
H3 -1.122 0.909 -1.260
H4 -1.122 0.909 1.260
H5 1.663 0.346 0.000
C6 0.585 0.226 0.000
N7 -0.232 -2.252 0.000
C8 0.140 -1.153 0.000
C9 -0.232 1.258 0.749
C10 -0.232 1.258 -0.749

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.54223.12231.82782.50292.22464.50293.43441.08462.2324
H22.54221.82783.12232.50292.22464.50293.43442.23241.0846
H33.12231.82782.52073.10872.22923.51782.72692.22501.0843
H41.82783.12232.52073.10872.22923.51782.72691.08432.2250
H52.50292.50293.10873.10871.08493.21572.13662.23292.2329
C62.22462.22462.22922.22921.08492.60921.44891.51471.5147
N74.50294.50293.51783.51783.21572.60921.16043.58963.5896
C83.43443.43442.72692.72692.13661.44891.16042.55252.5525
C91.08462.23242.22501.08432.23291.51473.58962.55251.4976
C102.23241.08461.08432.22502.23291.51473.58962.55251.4976

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 114.858 H1 C9 C6 116.737
H1 C9 C10 118.790 H2 C10 H3 114.858
H2 C10 C6 116.737 H2 C10 C9 118.790
H3 C10 C6 117.152 H3 C10 C9 118.148
H4 C9 C6 117.152 H4 C9 C10 118.148
H5 C6 C8 114.203 H5 C6 C9 117.439
H5 C6 C10 117.439 C6 C8 N7 179.134
C6 C9 C10 60.374 C6 C10 C9 60.374
C8 C6 C9 118.907 C8 C6 C10 118.907
C9 C6 C10 59.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability