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 NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-303.086173
Energy at 298.15K-303.096341
HF Energy-302.086462
Nuclear repulsion energy247.314589
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=FULL/aug-cc-pVDZ
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 3622 3510 30.78      
2 A 3205 3106 10.83      
3 A 3164 3067 7.14      
4 A 3071 2977 5.29      
5 A 1750 1696 256.62      
6 A 1520 1473 11.69      
7 A 1487 1441 0.35      
8 A 1468 1423 4.17      
9 A 1440 1396 6.01      
10 A 1206 1169 0.46      
11 A 1178 1142 0.87      
12 A 1137 1102 6.12      
13 A 923 895 1.21      
14 A 548 531 87.81      
15 A 431 418 47.31      
16 A 222 215 4.67      
17 A 192 186 0.08      
18 A 124 121 0.71      
19 B 3620 3509 11.65      
20 B 3205 3106 6.10      
21 B 3165 3067 36.20      
22 B 3071 2976 95.05      
23 B 1562 1513 373.88      
24 B 1504 1457 3.01      
25 B 1481 1436 52.36      
26 B 1443 1399 10.48      
27 B 1270 1231 198.17      
28 B 1156 1121 21.86      
29 B 1142 1107 3.17      
30 B 1055 1023 1.20      
31 B 761 737 18.45      
32 B 729 707 23.07      
33 B 477 462 97.71      
34 B 313 304 43.46      
35 B 142 138 0.78      
36 B 124 120 8.60      

Unscaled Zero Point Vibrational Energy (zpe) 26454.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 25639.9 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=FULL/aug-cc-pVDZ
ABC
0.32299 0.07240 0.06075

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.081
O2 0.000 0.000 1.315
N3 0.000 1.165 -0.677
N4 0.000 -1.165 -0.677
C5 -0.243 2.421 0.031
C6 0.243 -2.421 0.031
H7 -0.446 1.079 -1.584
H8 0.446 -1.079 -1.584
H9 -0.119 3.249 -0.679
H10 0.119 -3.249 -0.679
H11 0.497 2.524 0.833
H12 -0.497 -2.524 0.833
H13 -1.247 2.465 0.481
H14 1.247 -2.465 0.481

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.23421.39031.39032.43332.43332.03362.03363.33873.33872.67972.67972.79142.7914
O21.23422.30812.30812.75112.75113.12553.12553.81393.81392.61692.61692.88602.8860
N31.39032.30812.33081.46133.66321.01422.46152.08694.41592.09094.01702.14134.0096
N41.39032.30812.33083.66321.46132.46151.01424.41592.08694.01702.09094.00962.1413
C52.43332.75111.46133.66324.86552.10903.91531.09755.72521.09615.01541.10185.1276
C62.43332.75113.66321.46134.86553.91532.10905.72521.09755.01541.09615.12761.1018
H72.03363.12551.01422.46152.10903.91532.33502.37354.45762.96934.33872.61284.4374
H82.03363.12552.46151.01423.91532.10902.33504.45762.37354.33872.96934.43742.6128
H93.33873.81392.08694.41591.09755.72522.37354.45766.50211.78655.97911.79745.9885
H103.33873.81394.41592.08695.72521.09754.45762.37356.50215.97911.78655.98851.7974
H112.67972.61692.09094.01701.09615.01542.96934.33871.78655.97915.14421.78075.0571
H122.67972.61694.01702.09095.01541.09614.33872.96935.97911.78655.14425.05711.7807
H132.79142.88602.14134.00961.10185.12762.61284.43741.79745.98851.78075.05715.5254
H142.79142.88604.00962.14135.12761.10184.43742.61285.98851.79745.05711.78075.5254

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 117.127 C1 N3 H7 114.605
C1 N4 C6 117.127 C1 N4 H8 114.605
O2 C1 N3 123.044 O2 C1 N4 123.044
N3 C1 N4 113.912 N3 C5 H9 108.454
N3 C5 H11 108.853 N3 C5 H13 112.570
N4 C6 H10 108.454 N4 C6 H12 108.853
N4 C6 H14 112.570 C5 N3 H7 115.674
C6 N4 H8 115.674 H9 C5 H11 109.061
H9 C5 H13 109.624 H10 C6 H12 109.061
H10 C6 H14 109.624 H11 C5 H13 108.223
H12 C6 H14 108.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability