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 N(CH3)2CONH2 (Urea, N,N-dimethyl-)

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-303.916159
Energy at 298.15K-303.926397
HF Energy-303.916159
Nuclear repulsion energy253.442531
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 3657 3529 20.33      
2 A 3546 3422 13.54      
3 A 3166 3055 1.48      
4 A 3119 3010 12.59      
5 A 3067 2960 21.77      
6 A 3054 2947 53.53      
7 A 3006 2900 73.99      
8 A 2981 2877 67.22      
9 A 1774 1711 342.80      
10 A 1627 1570 110.95      
11 A 1548 1494 39.46      
12 A 1520 1467 10.91      
13 A 1509 1456 16.78      
14 A 1509 1456 7.21      
15 A 1481 1429 64.42      
16 A 1431 1381 12.06      
17 A 1424 1375 141.13      
18 A 1296 1251 37.89      
19 A 1270 1226 46.75      
20 A 1172 1131 3.28      
21 A 1133 1093 3.21      
22 A 1099 1060 63.58      
23 A 1083 1046 9.60      
24 A 1025 989 29.51      
25 A 774 747 63.42      
26 A 763 737 3.16      
27 A 609 588 123.23      
28 A 584 564 51.50      
29 A 501 483 8.76      
30 A 434 419 27.48      
31 A 380 366 8.80      
32 A 310 300 9.03      
33 A 184 178 4.11      
34 A 150 145 1.26      
35 A 137 132 3.86      
36 A 98 95 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 26209.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 25292.4 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 TPSSh/6-31G(2df,p)
ABC
0.16823 0.11775 0.07150

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)
H1 2.535 0.661 0.154
O2 1.235 -1.340 -0.072
C3 0.761 -0.212 -0.008
N4 -0.590 0.042 -0.015
H5 1.280 1.704 0.569
N6 1.573 0.926 -0.007
H7 -2.179 -1.102 -0.790
H8 -2.117 -1.015 0.988
H9 -0.910 -1.990 0.099
C10 -1.507 -1.079 0.078
H11 -1.365 1.792 0.928
H12 -2.103 1.339 -0.619
H13 -0.482 2.048 -0.605
C14 -1.157 1.375 -0.069

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.39681.98373.19071.68381.01075.12075.01524.34794.40144.13424.75023.40603.7665
O22.39681.22432.28983.11062.29153.49673.53092.24812.75824.19174.31443.83493.6180
C31.98371.22431.37562.06741.39783.17003.15052.44292.42993.06913.31422.64782.4906
N43.19072.28981.37562.56922.33692.10552.11052.06051.45102.13402.08222.09391.4498
H51.68383.11062.06742.56921.01104.65654.37154.32043.96902.67083.60352.14462.5397
N61.01072.29151.39782.33691.01104.33624.28653.83163.67593.20263.74902.41652.7667
H75.12073.49673.17002.10554.65654.33621.78131.78601.09763.46302.44843.58272.7754
H85.01523.53093.15052.11054.37154.28651.78131.78901.09832.90692.85073.82012.7849
H94.34792.24812.44292.06054.32043.83161.78601.78901.08953.89943.60904.12153.3791
C104.40142.75822.42991.45103.96903.67591.09761.09831.08952.99842.58643.36082.4839
H114.13424.19173.06912.13402.67083.20263.46302.90693.89942.99841.77341.78791.1012
H124.75024.31443.31422.08223.60353.74902.44842.85073.60902.58641.77341.76881.0951
H133.40603.83492.64782.09392.14462.41653.58273.82014.12153.36081.78791.76881.0927
C143.76653.61802.49061.44982.53972.76672.77542.78493.37912.48391.10121.09511.0927

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 109.855 H1 N6 H5 112.788
O2 C3 N4 123.360 O2 C3 N6 121.696
C3 N4 C10 118.537 C3 N4 C14 123.631
C3 N6 H5 117.340 N4 C3 N6 114.833
N4 C10 H7 110.651 N4 C10 H8 111.009
N4 C10 H9 107.545 N4 C14 H11 112.839
N4 C14 H12 109.015 N4 C14 H13 110.093
H7 C10 H8 108.427 H7 C10 H9 109.488
H8 C10 H9 109.707 C10 N4 C14 117.807
H11 C14 H12 107.694 H11 C14 H13 109.159
H12 C14 H13 107.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability