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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-248.687577
Energy at 298.15K-248.695557
HF Energy-247.839310
Nuclear repulsion energy210.888463
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 MP2/6-31G**
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' 3241 3036 33.63      
2 A' 3224 3019 7.64      
3 A' 3166 2965 4.89      
4 A' 3161 2960 6.92      
5 A' 3158 2958 17.73      
6 A' 2204 2064 0.07      
7 A' 1570 1470 0.94      
8 A' 1545 1447 4.06      
9 A' 1398 1309 2.99      
10 A' 1318 1234 0.68      
11 A' 1276 1195 0.13      
12 A' 1165 1091 1.52      
13 A' 1112 1042 0.10      
14 A' 994 931 0.52      
15 A' 941 881 1.96      
16 A' 775 726 1.01      
17 A' 591 554 0.55      
18 A' 524 491 0.65      
19 A' 286 268 1.02      
20 A' 147 138 3.49      
21 A" 3234 3028 15.08      
22 A" 3161 2960 33.67      
23 A" 1537 1440 0.69      
24 A" 1321 1237 1.66      
25 A" 1293 1211 0.36      
26 A" 1283 1202 0.06      
27 A" 1240 1161 0.36      
28 A" 1067 999 0.00      
29 A" 980 918 0.31      
30 A" 971 909 1.85      
31 A" 817 765 1.27      
32 A" 520 487 0.00      
33 A" 174 163 4.49      

Unscaled Zero Point Vibrational Energy (zpe) 24696.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 23128.3 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 MP2/6-31G**
ABC
0.33323 0.07869 0.06968

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.649 2.123 0.000
C2 0.745 1.361 0.000
C3 -0.340 0.388 0.000
C4 -0.925 -1.672 0.000
C5 -0.340 -0.731 1.073
C6 -0.340 -0.731 -1.073
H7 -1.299 0.909 0.000
H8 -2.014 -1.637 0.000
H9 -0.602 -2.710 0.000
H10 0.683 -1.009 1.327
H11 -0.904 -0.551 1.986
H12 0.683 -1.009 -1.327
H13 -0.904 -0.551 -1.986

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.18212.63894.58513.64003.64003.18795.24935.33183.53604.19633.53604.1963
C21.18211.45713.46222.58922.58922.09324.07454.28862.71703.21212.71703.2121
C32.63891.45712.14151.55051.55051.09122.62783.10992.18152.26802.18152.2680
C44.58513.46222.14151.54261.54262.60761.08991.08792.18752.28052.18752.2805
C53.64002.58921.55051.54262.14642.18182.18572.26721.08951.08812.62393.1159
C63.64002.58921.55051.54262.14642.18182.18572.26722.62393.11591.08951.0881
H73.18792.09321.09122.60762.18182.18182.64443.68593.06032.49593.06032.4959
H85.24934.07452.62781.08992.18572.18572.64441.77413.07072.52113.07072.5211
H95.33184.28863.10991.08792.26722.26723.68591.77412.51142.94962.51142.9496
H103.53602.71702.18152.18751.08952.62393.06033.07072.51141.77792.65463.7019
H114.19633.21212.26802.28051.08813.11592.49592.52112.94961.77793.70193.9717
H123.53602.71702.18152.18752.62391.08953.06033.07072.51142.65463.70191.7779
H134.19633.21212.26802.28053.11591.08812.49592.52112.94963.70193.97171.7779

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.235 C2 C3 C5 118.804
C2 C3 C6 118.804 C2 C3 H7 109.620
C3 C5 C4 87.633 C3 C5 H10 110.227
C3 C5 H11 117.458 C3 C6 C4 87.633
C3 C6 H12 110.227 C3 C6 H13 117.458
C4 C5 H10 111.255 C4 C5 H11 119.190
C4 C6 H12 111.255 C4 C6 H13 119.190
C5 C3 C6 87.604 C5 C3 H7 110.144
C5 C4 C6 88.164 C5 C4 H8 111.082
C5 C4 H9 118.023 C6 C3 H7 110.144
C6 C4 H8 111.082 C6 C4 H9 118.023
H8 C4 H9 109.104 H10 C5 H11 109.470
H12 C6 H13 109.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability