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All results from a given calculation for C4H5N (Cyclopropanecarbonitrile)

using model chemistry: MP2/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 MP2/CEP-31G
 hartrees
Energy at 0K-34.817214
Energy at 298.15K-34.822373
HF Energy-34.379631
Nuclear repulsion energy74.504508
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 MP2/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' 3281 3171 31.59      
2 A' 3195 3088 5.36      
3 A' 3161 3054 8.06      
4 A' 2029 1961 0.97      
5 A' 1528 1477 0.82      
6 A' 1385 1338 0.30      
7 A' 1212 1171 1.35      
8 A' 1151 1112 1.63      
9 A' 1138 1099 11.33      
10 A' 934 903 24.96      
11 A' 830 802 1.23      
12 A' 741 716 7.49      
13 A' 494 477 2.33      
14 A' 197 190 2.27      
15 A" 3266 3156 0.23      
16 A" 3153 3047 20.45      
17 A" 1500 1450 3.73      
18 A" 1220 1178 1.10      
19 A" 1152 1113 3.29      
20 A" 1138 1100 10.48      
21 A" 927 895 0.07      
22 A" 831 803 16.97      
23 A" 502 485 0.03      
24 A" 204 197 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 17584.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 16991.4 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 MP2/CEP-31G
ABC
0.49723 0.10656 0.10096

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.831 1.063 1.299
H2 -1.831 1.063 -1.299
H3 -1.308 -0.721 -1.294
H4 -1.308 -0.721 1.294
H5 0.282 1.708 0.000
C6 0.000 0.645 0.000
N7 2.099 -1.076 0.000
C8 1.157 -0.288 0.000
C9 -1.303 0.250 0.779
C10 -1.303 0.250 -0.779

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 C6 N7 C8 C9 C10
H12.59773.19051.85862.56272.28344.65943.52691.09982.2926
H22.59771.85863.19052.56272.28344.65943.52692.29261.0998
H33.19051.85862.58893.17882.29203.66262.81802.28931.0991
H41.85863.19052.58893.17882.29203.66262.81801.09912.2893
H52.56272.56273.17883.17881.09993.32532.17952.29052.2905
C62.28342.28342.29202.29201.09992.71491.48621.56901.5690
N74.65944.65943.66263.66263.32532.71491.22873.73423.7342
C83.52693.52692.81802.81802.17951.48621.22872.63612.6361
C91.09982.29262.28931.09912.29051.56903.73422.63611.5577
C102.29261.09981.09912.28932.29051.56903.73422.63611.5577

picture of Cyclopropanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H4 115.391 H1 C9 C6 116.550
H1 C9 C10 118.216 H2 C10 H3 115.391
H2 C10 C6 116.550 H2 C10 C9 118.216
H3 C10 C6 117.329 H3 C10 C9 117.978
H4 C9 C6 117.329 H4 C9 C10 117.978
H5 C6 C8 114.034 H5 C6 C9 117.152
H5 C6 C10 117.152 C6 C8 N7 178.956
C6 C9 C10 60.238 C6 C10 C9 60.238
C8 C6 C9 119.246 C8 C6 C10 119.246
C9 C6 C10 59.525
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability