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 C2H6N2O2 (Dimethylnitroamine)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-339.700953
Energy at 298.15K-339.709926
HF Energy-339.700953
Nuclear repulsion energy260.263980
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 TPSSh/6-31G(2df,p)
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 3175 3064 4.47      
2 A 3172 3061 2.53      
3 A 3120 3011 35.93      
4 A 3116 3007 0.11      
5 A 3025 2919 46.00      
6 A 3019 2913 24.67      
7 A 1634 1577 260.67      
8 A 1526 1473 32.58      
9 A 1508 1455 0.66      
10 A 1504 1451 10.09      
11 A 1484 1432 12.41      
12 A 1475 1424 37.80      
13 A 1432 1382 4.84      
14 A 1334 1288 250.37      
15 A 1312 1266 1.55      
16 A 1272 1227 3.61      
17 A 1152 1111 51.94      
18 A 1126 1087 2.59      
19 A 1049 1012 11.97      
20 A 996 961 67.14      
21 A 851 821 9.75      
22 A 779 751 13.95      
23 A 613 592 1.20      
24 A 608 587 9.14      
25 A 404 390 3.53      
26 A 352 339 2.09      
27 A 194 187 8.43      
28 A 137 132 0.21      
29 A 126 122 2.07      
30 A 106 102 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 20799.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20071.1 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 TPSSh/6-31G(2df,p)
ABC
0.17423 0.13301 0.07827

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.351 -1.098 0.033
O2 -1.351 1.098 0.033
H3 1.205 -1.523 1.118
H4 2.271 -1.159 -0.271
H5 0.751 -2.059 -0.518
C6 1.234 -1.265 0.051
H7 1.205 1.523 1.118
H8 0.751 2.059 -0.518
H9 2.271 1.159 -0.271
C10 1.234 1.265 0.051
N11 -0.802 0.000 -0.030
N12 0.567 0.000 -0.227

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.19632.80923.63512.37572.58993.81873.83244.27873.50221.22922.2248
O22.19633.81874.27873.83233.50222.80932.37603.63532.59001.22922.2248
H32.80923.81871.78831.77991.09793.04643.96363.20342.98572.76892.1297
H43.63514.27871.78831.78301.09153.20343.56732.31872.65693.29342.0619
H52.37573.83231.77991.78301.08883.96364.11713.56733.40642.62462.0872
C62.58993.50221.09791.09151.08882.98573.40642.65692.53052.39821.4570
H73.81872.80933.04643.20343.96362.98571.77991.78831.09792.76892.1297
H83.83242.37603.96363.56734.11713.40641.77991.78301.08882.62472.0872
H94.27873.63533.20342.31873.56732.65691.78831.78301.09153.29342.0619
C103.50222.59002.98572.65693.40642.53051.09791.08881.09152.39821.4570
N111.22921.22922.76893.29342.62462.39822.76892.62473.29342.39821.3827
N122.22482.22482.12972.06192.08721.45702.12972.08722.06191.45701.3827

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.595 O1 N11 N12 116.688
O2 N11 N12 116.692 H3 C6 H4 109.529
H3 C6 H5 108.968 H3 C6 N12 112.169
H4 C6 H5 109.719 H4 C6 N12 107.136
H5 C6 N12 109.288 C6 N12 C10 120.542
C6 N12 N11 115.217 H7 C10 H8 108.968
H7 C10 H9 109.529 H7 C10 N12 112.169
H8 C10 H9 109.719 H8 C10 N12 109.288
H9 C10 N12 107.136 C10 N12 N11 115.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability