return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-188.044218
Energy at 298.15K-188.049023
HF Energy-187.781448
Nuclear repulsion energy103.395782
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 B2PLYP=FULL/aug-cc-pVTZ
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' 3530 3386 4.33      
2 A' 3088 2962 8.99      
3 A' 2281 2188 0.46      
4 A' 1677 1609 23.51      
5 A' 1489 1428 6.08      
6 A' 1376 1320 10.48      
7 A' 1110 1065 14.21      
8 A' 931 894 92.47      
9 A' 837 803 80.50      
10 A' 570 547 9.19      
11 A' 216 208 12.37      
12 A" 3609 3462 10.70      
13 A" 3124 2997 1.96      
14 A" 1397 1341 0.01      
15 A" 1206 1158 0.03      
16 A" 900 863 0.01      
17 A" 385 370 6.47      
18 A" 259 249 50.64      

Unscaled Zero Point Vibrational Energy (zpe) 13992.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 13424.4 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
1.01750 0.15924 0.14447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.451 0.717 0.000
C2 0.000 0.824 0.000
C3 0.722 -0.459 0.000
N4 1.250 -1.488 0.000
H5 -1.774 0.212 0.814
H6 -1.774 0.212 -0.814
H7 0.314 1.392 0.874
H8 0.314 1.392 -0.874

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45512.47033.48661.01071.01072.08192.0819
C21.45511.47192.62832.04532.04531.08801.0880
C32.47031.47191.15692.70882.70882.08642.0864
N43.48662.62831.15693.56263.56263.15143.1514
H51.01072.04532.70883.56261.62772.39882.9323
H61.01072.04532.70883.56261.62772.93232.3988
H72.08191.08802.08643.15142.39882.93231.7472
H82.08191.08802.08643.15142.93232.39881.7472

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.122 N1 C2 H7 109.047
N1 C2 H8 109.047 C2 N1 H5 110.798
C2 N1 H6 110.798 C2 C3 N4 177.810
C3 C2 H7 108.246 C3 C2 H8 108.246
H5 N1 H6 107.269 H7 C2 H8 106.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability