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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-56.593587
Energy at 298.15K-56.603338
HF Energy-56.049860
Nuclear repulsion energy135.024868
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/CEP-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 3651 3528 22.04      
2 A 3188 3080 35.07      
3 A 3140 3034 18.68      
4 A 3040 2938 3.08      
5 A 1658 1602 202.37      
6 A 1552 1499 35.94      
7 A 1518 1467 1.89      
8 A 1500 1450 13.14      
9 A 1479 1429 30.80      
10 A 1205 1164 0.02      
11 A 1170 1131 0.09      
12 A 1158 1119 12.10      
13 A 895 864 5.11      
14 A 486 470 16.11      
15 A 337 325 85.11      
16 A 222 214 3.07      
17 A 173 167 0.43      
18 A 86 83 0.03      
19 B 3648 3525 9.06      
20 B 3188 3080 17.43      
21 B 3141 3035 105.39      
22 B 3039 2937 154.89      
23 B 1569 1516 340.37      
24 B 1536 1484 29.95      
25 B 1509 1458 73.31      
26 B 1487 1437 11.27      
27 B 1289 1245 266.84      
28 B 1171 1131 24.52      
29 B 1167 1127 5.65      
30 B 1026 991 1.37      
31 B 702 678 31.65      
32 B 689 666 12.61      
33 B 465 449 278.09      
34 B 320 309 37.61      
35 B 123 119 16.16      
36 B 92 89 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 26306.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 25420.3 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/CEP-31G
ABC
0.30728 0.06820 0.05711

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.082
O2 0.000 0.000 1.369
N3 0.000 1.194 -0.681
N4 0.000 -1.194 -0.681
C5 -0.075 2.512 0.020
C6 0.075 -2.512 0.020
H7 -0.289 1.149 -1.659
H8 0.289 -1.149 -1.659
H9 0.210 3.303 -0.702
H10 -0.210 -3.303 -0.702
H11 0.633 2.504 0.866
H12 -0.633 -2.504 0.866
H13 -1.092 2.716 0.420
H14 1.092 -2.716 0.420

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.28711.41761.41762.51402.51402.10652.10653.40123.40122.69942.69942.94642.9464
O21.28712.37312.37312.85272.85273.25223.25223.90423.90422.63152.63153.07713.0771
N31.41762.37312.38891.49433.77291.02072.55612.11914.50242.12404.05912.17234.2065
N41.41762.37312.38893.77291.49432.55611.02074.50242.11914.05912.12404.20652.1723
C52.51402.85271.49433.77295.02642.17274.04441.10785.86111.10425.11771.11135.3714
C62.51402.85273.77291.49435.02644.04442.17275.86111.10785.11771.10425.37141.1113
H72.10653.25221.02072.55612.17274.04442.37022.40914.55493.01064.45502.72434.6009
H82.10653.25222.55611.02074.04442.17272.37024.55492.40914.45503.01064.60092.7243
H93.40123.90422.11914.50241.10785.86112.40914.55496.61931.80996.07401.81626.1854
H103.40123.90424.50242.11915.86111.10784.55492.40916.61936.07401.80996.18541.8162
H112.69942.63152.12404.05911.10425.11773.01064.45501.80996.07405.16601.79435.2590
H122.69942.63154.05912.12405.11771.10424.45503.01066.07401.80995.16605.25901.7943
H132.94643.07712.17234.20651.11135.37142.72434.60091.81626.18541.79435.25905.8540
H142.94643.07714.20652.17235.37141.11134.60092.72436.18541.81625.25901.79435.8540

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 119.369 C1 N3 H7 118.614
C1 N4 C6 119.369 C1 N4 H8 118.614
O2 C1 N3 122.585 O2 C1 N4 122.585
N3 C1 N4 114.829 N3 C5 H9 108.136
N3 C5 H11 108.726 N3 C5 H13 112.130
N4 C6 H10 108.136 N4 C6 H12 108.726
N4 C6 H14 112.130 C5 N3 H7 118.292
C6 N4 H8 118.292 H9 C5 H11 109.809
H9 C5 H13 109.854 H10 C6 H12 109.809
H10 C6 H14 109.854 H11 C5 H13 108.167
H12 C6 H14 108.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability